The Effects of Medicaid Expansion
under the ACA: Updated Findings
from a Literature Review
Prepared by:
Madeline Guth
Rachel Garfield
Robin Rudowitz
Kaiser Family Foundation
March 2020
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
1
Executive Summary
At the ten year mark since the passage of the Affordable Care Act (ACA), a substantial body of research
has investigated effects of the Medicaid expansion on coverage; access to care and related measures
(including utilization, quality of care and health outcomes, provider capacity, and affordability and financial
security); and various economic measures. This issue brief summarizes findings from 404 studies
(including 80 newly included since the last update of this analysis) of the impact of state Medicaid
expansions under the ACA published beginning in January 2014 (when the coverage provisions of the
ACA went into effect) and updates earlier versions of this brief with studies through January 2020.
1
This brief groups outcomes into three broad categories: coverage, access, and economic measures.
Research indicates that the expansion is linked to gains in coverage; improvements in access, financial
security, and some measures of health status/outcomes; and economic benefits for states and providers
(Figure 1).
Studies included in this review may include multiple findings across multiple categories. For example,
studies that point to increased coverage may also include findings related to access, outcomes, or
economic metrics. While most early studies focused on expansion’s impact on coverage and economic
measures, over time studies have increasingly focused on measures related to access to care (Figure 2).
Figure 1
Studies generally find positive effects of the ACA Medicaid
expansion on different outcomes.
NOTES: This brief groups outcomes into 3 categories, indicated as such: *Coverage outcomes, ^Access outcomes,
+
Economic outcomes. Studies
may have findings on multiple outcomes and be counted in multiple bars. “Insurance Coverage” includes coverage rates generally and for Medicaid.
SOURCE: KFF analysis of 404 studies of the impact of state Medicaid expansion published between January 2014 and January 2020.
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Positive Health Outcomes^
State Economy+
Self-Reported Health^
Provider Capacity^
Health Care Affordability
& Financial Security^
Payer Mix+
Insurance Coverage*
Access & Utilization of Care^
# of Studies
# of studies that find positive effects # of studies that find no difference or mixed findings # of studies that find negative effects
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
2
Findings related to coverage, access, and economic measures are discussed in detail in the text of this
brief and are also summarized below:
Coverage: Studies show that Medicaid expansion states experienced significant coverage gains and
reductions in uninsured rates among the low-income population broadly and within specific vulnerable
populations. States that implemented the expansion with a waiver have seen coverage gains, but some
waiver provisions appear to compromise coverage.
Access to care and related measures: Most research demonstrates that Medicaid expansion has
improved access to care, utilization of services, the affordability of care, and financial security among the
low-income population. Studies show improved self-reported health following expansion and an
association between expansion and certain positive health outcomes. A small subset of study findings
showed no effects of expansion on certain specific measures within these access-related categories.
Findings on expansion’s effect on provider capacity are mixed, with studies showing increases,
decreases, or no effects on measures like appointment availability or wait times.
Economic measures: Analyses find effects of expansion on numerous economic outcomes, including
state budget savings, revenue gains, and overall economic growth. Multiple studies suggest that
expansion can result in state savings by offsetting state costs in other areas. The federal government
covered 100% of the cost of the expansion in the early years of the ACA and will cover 90% beginning in
2020. There is limited research examining the fiscal effects of the Medicaid expansion at the federal level.
Additional studies show that Medicaid expansions result in reductions in uncompensated care costs for
hospitals and clinics, and a growing number of studies show an association between expansion and gains
Figure 2
NOTES: Counts of studies in each category exceed the count of total studies because studies may have findings in multiple of the three categories.
An additional 6 miscellaneous studies do not have any findings that fit into the three categories and are thus not reflected in the figure.
SOURCE: KFF analysis of 404 studies of the impact of state Medicaid expansion published between January 2014 and January 2020.
More recent studies focus on outcomes related to access.
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2014 2015 2016 2017 2018 2019
# of Studies
# of studies w/ coverage findings # of studies w/ access findings # of studies w/ economic findings total # of studies published
Number of Studies on the ACA Medicaid Expansion Published Yearly 2014-2019, Overall and by Area of Study Focus.
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
3
in employment as well as growth in the labor market (with a minority of studies showing neutral effects in
this area).
More recent studies: Recently published studies newly included in this analysis from July 2019 through
January 2020 support earlier findings while using the additional years of experience with expansion to
deepen findings in many areas, including expansion’s effects on health outcomes, access to services and
medications for behavioral health and other needs, providers’ financial stability, and employment. Some
recent analyses that include outcomes beyond those typically examined in Medicaid expansion research
show that expansion is associated with decreased mortality overall and for certain specific conditions;
reductions in rates of food insecurity, poverty, and home evictions; and improvements in measures of
self-reported health and healthy behaviors.
Looking back and looking ahead: Looking back on 10 years since the ACA has been enacted shows
that the Medicaid expansion has expanded coverage and led to increases in access and utilization to
health care services, improvements in financial security and positive net effects for state budgets and
revenues. This analysis may help inform states still debating whether to adopt the expansion. Future
studies will continue to examine the economic implications of the expansion as the state share of costs
remains constant at 10 percent. A looming economic downturn will also test how the Medicaid expansion
affects coverage and state budgets. Looking ahead, while additional states may expand eligibility under
the ACA, the changing landscape of Medicaid demonstration activity could limit the reach of the Medicaid
expansion as envisioned under the law. For example, the administration issued new guidance that would
allow states to cover certain adults (including the expansion population) through new demonstrations with
eligibility restrictions and not apply other Medicaid rules in exchange for capped financing. In addition,
continued efforts from the administration to conduct intense oversight and change the rules on Medicaid
enrollment and financing, as well as litigation efforts to repeal the entire ACA keep the law in the spotlight
and highlight future challenges. The outcome of the next election could bring significant changes to the
ACA, including the Medicaid expansion.
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
4
Methods
This literature review summarizes findings from 404 studies of the impact of state Medicaid expansions
under the ACA published beginning in January 2014 (when the coverage provisions of the ACA went
into effect). This version of the brief updates earlier versions and includes studies published through
January 2020. It includes studies, analyses, and reports published by government, research, and
policy organizations using data from 2014 or later and only includes studies that examine impacts of
the Medicaid expansion in expansion states. This review excludes studies on impacts of ACA coverage
expansions generally (not specific to Medicaid expansion alone), studies investigating potential effects
of expansion in states that have not (or had not, at the time of the study) expanded Medicaid, and
reports from advocacy organizations and media sources.
To collect relevant studies, we conducted keyword searches of PubMed and other academic
health/social policy search engines as well as websites of government, research, and policy
organizations that publish health policy-related research. We also used a snowballing technique of
pulling additional studies from reference lists in previously pulled papers. While we tried to be as
comprehensive as possible in our inclusion of studies and findings that meet our criteria, it is possible
that we missed some relevant studies or findings. For each study, we read the final paper/report and
summarized the population studied, data and methods used, and findings. In instances of conflicting
findings within a study, or if a reviewer had questions about specific findings, multiple reviewers read
and classified the study to characterize its findings. In the issue brief text, findings are broken out and
reported separately in three broad categories: Medicaid expansion’s impact on coverage; access to
care and related measures; and economic outcomes for the expansion states. Studies may be cited in
multiple of these categories or in multiple places within a category. The Appendix at the end of the brief
provides a list of citations for each of the included studies, grouped by the three categories of findings.
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
5
Impacts on Coverage
Studies find positive effects of Medicaid expansion on a range of outcomes related to insurance coverage
(Figure 3). In addition to changes in uninsured rates and Medicaid coverage, both overall and for specific
populations, studies also consider private coverage and waiver implications.
Uninsured Rate and Medicaid Coverage Changes
States expanding their Medicaid programs under the ACA have seen large increases in Medicaid
enrollment. These broad coverage increases have been driven by enrollment of adults made newly
eligible for Medicaid under expansion. Enrollment growth also occurred among both adults and children
who were previously eligible for but not enrolled in Medicaid (known as the “woodwork” or “welcome mat”
effect). Some, but not all, research finds evidence of reduced coverage churn in expansion compared to
non-expansion
states.
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Numerous analyses demonstrate that Medicaid expansion states experienced large reductions in
uninsured rates that significantly exceed those in non-expansion states. The sharp declines in
uninsured rates among the low-income population in expansion states are widely attributed to gains in
Medicaid coverage. Declines began in 2014, and some studies showed that expansion-related enrollment
growth in Medicaid and declines in uninsured rates in expansion states continued in 2015, 2016, and
2017 and that the gap between coverage rates in expansion and non-expansion states continued to
Figure 3
Studies find that the ACA Medicaid expansion had positive
effects on insurance coverage, though findings on private
coverage are mixed.
NOTE: Studies may have findings on multiple outcomes and thus be counted in multiple of these bars. Findings on rate of overall coverage and
Medicaid enrollment/coverage are for the general population (overall or Medicaid-expansion-eligible). Coverage disparities refer to disparities in
coverage by income, age, marital status, disability status, and race/ethnicity.
SOURCE: KFF analysis of 404 studies of the impact of state Medicaid expansion published between January 2014 and January 2020.
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
6
widen in the years after 2014. Two studies found that despite a nationwide increase in uninsured rates
from 2016 to 2017, uninsured rates remained stable in states that had expanded Medicaid and coverage
losses were concentrated in non-expansion
states.
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Several studies identified larger coverage gains in expansion versus non-expansion states for
specific vulnerable populations. While the list of specific populations studied is long, studies include:
individuals across the lifespan (children, young adults, women of reproductive age with and without
children, and the near-elderly), lesbian, gay, and bisexual adults, the unemployed, low-income workers,
justice-involved individuals, homeless individuals, noncitizens, people living in households with mixed
immigration status, migrant and seasonal agricultural workers, and early retirees. Other populations that
experienced coverage gains include those with specific medical conditions or needs such as prescription
drug users, people with substance use disorders including opioid use disorders, people with HIV, people
with disabilities, low-income adults who screened positive for depression, adults with diabetes, cancer
patients/survivors, adults with a history of cardiovascular disease or two or more cardiovascular risk
factors, and
veterans.
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Most analyses that looked at rural/urban coverage changes find that Medicaid expansion has had
a particularly large impact on Medicaid coverage or uninsured rates in rural areas. Studies have
found that Medicaid expansion reduced or eliminated disparities in coverage between adults living in rural
vs. urban areas. However, as noted below, research on coverage effects in rural versus urban areas was
mixed.
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Studies show larger Medicaid coverage gains and reductions in uninsured rates in expansion
states compared to non-expansion states occurred across most or all of the major racial/ethnic
categories. Additional research also suggests that Medicaid expansion has helped to reduce disparities
in coverage by income, age, marital status, disability status, and, in some studies,
race/ethnicity.
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A minority of coverage studies show no effect or mixed results of expansion in certain areas.
Many of these findings were included in studies that had additional findings related to coverage or
disparity improvements and are also cited above. Some findings within three studies did not show greater
coverage changes for rural areas. A limited number of studies found that expansion was not significantly
associated with changes in the uninsured rate among certain specific groups, as Medicaid coverage
gains in expansion states were offset larger private insurance gains in non-expansion states for these
groups. Findings within four studies suggested that expansion was associated with an increase in
coverage disparities (by gender in one study, by race/ethnicity in another, and by marital status among
women in two others). In addition, one study showed no significant differences in churn rates among low-
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
7
income adults between 2013 and 2015 based on the state’s expansion
policy.
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Private Coverage and Waiver Implications
Some studies exploring the effects of Medicaid expansion on private insurance coverage found
no evidence of Medicaid expansion coverage substituting for private coverage including
employer-sponsored insurance, while other studies showed declines in private coverage
associated with expansion overall or among certain specific population groups. These declines in
private coverage may occur if individuals previously covered through employer-sponsored or self-pay
insurance opt in to Medicaid given Medicaid’s typically lower out-of-pocket costs and more
comprehensive benefit packages, or if employers alter their offering of coverage in response to the
expansion of Medicaid. Private coverage changes in studies that include states that expanded later than
January 2014 may also reflect people above 100% FPL transitioning from subsidized Marketplace
coverage to Medicaid after their state adopts the
expansion.
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States implementing the expansion with a waiver have seen similar or larger gains in coverage as
states not using waivers, but research finds that some provisions in these waivers present
barriers to coverage.
Studies show that some states initially expanding Medicaid with Section 1115 waivers
experienced coverage gains that were similar to gains in states implementing traditional Medicaid
expansions. Research comparing Arkansas (which expanded through a premium assistance
model) and Kentucky (which expanded through a traditional, non-waiver model) showed no
significant differences in uninsured rate declines between 2013 and 2015 in the two states. An
analysis of expansion waiver programs in Michigan and Indiana showed that both states
experienced uninsured rate reductions between 2013 and 2015 that were higher than the
average decrease among expansion states as well as large gains in Medicaid
enrollment.
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A growing body of research suggests that certain Section 1115 waiver provisions that target the
expansion population have caused coverage losses or presented barriers to enrollment,
particularly in Arkansas related to the implementation of a Medicaid work requirement and in
Indiana related to the Healthy Indiana Plan (HIP) 2.0 monthly contribution
requirements.
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The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
8
Impacts on Access and Related Measures
Studies find positive effects of Medicaid expansion on a range of outcomes related to access (Figure 4).
In addition to impacts on access to and utilization of care, studies consider the effect of expansion on
quality of care, self-reported health, and health outcomes; provider capacity; and affordability and
financial security.
Access to Care and Utilization
Most research demonstrates that Medicaid expansion improves access to care and increases
utilization of health care services among the low-income population. Many expansion studies point
to improvements across a wide range of measures of access to care as well as utilization of a variety of
medications and services. Some of this research also shows that improved access to care and utilization
is leading to increases in diagnoses of a range of diseases and conditions and in the number of adults
receiving consistent care for a chronic
condition.
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For example:
Cancer Diagnosis and Treatment. Multiple studies found that expansion was associated with
significantly greater increases in overall or Medicaid-covered cancer diagnosis rates and/or early-
stage diagnosis rates. Multiple studies found an association between expansion and increased
Figure 4
Studies find that the ACA Medicaid expansion increased
access across a range of measures, though findings on
provider capacity are mixed.
NOTE: Studies may have findings on multiple outcomes and thus be counted in multiple of these bars.
SOURCE: KFF analysis of 404 studies of the impact of state Medicaid expansion published between January 2014 and January 2020.
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Access to Care Utilization of
Care
Health Care
Affordability
Financial
Security
Quality of Care Self-Reported
Health
Positive Health
Outcomes
Provider
Capacity
# of Studies
# of studies that find positive effects
# of studies that find no difference or mixed findings
# of studies that find negative effects
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
9
access to and utilization of certain types of cancer surgery, with one study finding a decreased
disparity in expansion states between Medicaid and privately-insured patients in the odds of
undergoing surgery for certain types of cancer.
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Transplants. Additional studies found a correlation between expansion and increased heart
transplant listing rates for African American adults (both overall and among Medicaid enrollees)
and increased lung transplant listings for nonelderly adults.
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Smoking Cessation. Additional research found decreased cigarette and other nicotine product
purchases and increased access, utilization, and Medicaid coverage of evidence-based smoking
cessation medications post-expansion in expansion states relative to non-expansion states. For
example, one recent study found that Medicaid expansion lead to a 24% increase in new use of
smoking cessation medication.
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Behavioral Health. Recent evidence demonstrates that Medicaid expansion states have seen
improvements in access to medications and services for the treatment of behavioral health
(mental health and substance use disorder (SUD)) conditions following expansion, with many
national and multi-state studies showing greater improvements in expansion compared to non-
expansion states. This evidence includes studies that have shown that Medicaid expansion is
associated with increases in overall prescriptions for, Medicaid-covered prescriptions for, and
Medicaid spending on medications to treat opioid use disorder and opioid
overdose.
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o Medication Assisted Treatment (MAT) for Treatment of Opioid Use Disorder.
Multiple studies have found increases in medication assisted treatment (MAT) drug
prescriptions (either overall or Medicaid-covered prescriptions) associated with
expansion. Some of these studies also found that in contrast, there was no increase in
opioid prescribing rates (overall or Medicaid-covered) associated with expansion over the
same period. One study found that expansion was associated with an 18% increase in
aggregate opioid admissions to specialty treatment facilities, nearly all of which was
driven by a 113% increase in admissions from Medicaid
beneficiaries.
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Multiple recent studies have also found expansion to be associated with improvements in
disparities by race/ethnicity, income, education level, insurance type, and employment status in
measures of access to and utilization of care.
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Studies point to changes in patterns of emergency department (ED) utilization. Some studies point
to declines in uninsured ED visits or visit rates and increases in Medicaid-covered ED visits or visit rates
in expansion states compared to non-expansion states, compared to pre-expansion, or compared to other
populations within expansion states. Studies show inconsistent findings about how Medicaid expansion
has affected ED volume or frequency of visits overall or among specific populations (e.g., Medicaid
enrollees or frequent ED users), with some studies showing increases, no change, or declines. Studies
also showed decreased reliance on the ED as a usual source of care and a shift in ED use toward visits
for higher acuity conditions among individual patients who gained expansion coverage, compared to
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
10
those who remained uninsured in non-expansion
states.
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In contrast with other studies’ findings on decreased reliance on the ED as a usual source of care,
some recent studies suggest that Medicaid expansion may increase non-necessary use of certain
health services. These services include hospitalization or specialty treatment for certain specific health
conditions, including lupus, oral health conditions, and upper-extremity trauma. Authors explain that the
non-necessary use of these services could be prevented by primary care and indicates the need for
increased access to outpatient care for new enrollees.
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Evidence suggests that beneficiaries and other stakeholders lack understanding of some waiver
provisions designed to change utilization or improve health outcomes. Multiple studies have
demonstrated confusion among beneficiaries, providers, and advocates in expansion waiver states
around the basic elements of the programs or requirements for participation, as well as beneficiary
reports of barriers to completion of program activities (including internet access and transportation
barriers). These challenges have resulted in increased costs to beneficiaries, beneficiaries being
transitioned to more limited benefit packages, low program participation, or programs not operating as
intended in other ways.
511
,
512
,
513
,
514
,
515
,
516
,
517
Some study findings did not show that expansion significantly improved some measures of
access, utilization, or disparities between population groups. Many of these findings were included in
studies that also found related improvements in access, utilization, or disparities measures and are also
cited above. Authors of some early studies using 2014 data note that changes in utilization may take
more than one year to materialize. Consistent with this premise, a longer-term study found improvements
in measures of access to care and financial strain in year two of the expansion that were not observed in
the first
year.
518
,
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,
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,
521
,
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,
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,
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,
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,
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,
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,
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,
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,
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,
531
,
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,
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,
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,
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,
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,
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,
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,
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,
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,
541
,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
564
,
565
,
566
,
567
,
568
,
569
,
570
,
571
,
572
,
573
,
574
Quality of Care, Self-Reported Health, and Health Outcomes
Several studies show an association between Medicaid expansion and improvements in quality of
care. These include studies focused on the low-income population broadly, academic medical center or
affiliated hospital patients, or community health center patients and look at outcomes including receipt of
recommended screenings or recommended care for a particular condition.
575
,
576
,
577
,
578
,
579
,
580
,
581
,
582
Additional studies show effects of expansion on measures of quality hospital care and outcomes.
A few studies found that Medicaid expansion was associated with declines in hospital length of stay and
in-hospital mortality as well as increases in hospital discharges to rehabilitation facilities, and one study
found an association between expansion and declines in mechanical ventilation rates among patients
hospitalized for various conditions. One recent study found that expansion was associated with
decreased preventable hospitalizations, measured by reductions in annual ambulatory care-sensitive
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
11
discharge rates and inpatient days. Additional analyses found that, contrary to past studies associating
Medicaid insurance with longer hospital stays and higher in-hospital mortality, the shift in payer mix in
expansion states (increase in Medicaid discharges and decrease in uninsured discharges) did not
influence length of stay or in-hospital mortality for various types of
patients.
583
,
584
,
585
,
586
,
587
,
588
,
589
,
590
,
591
,
592
,
593
,
594
,
595
Multiple studies have found improvements in measures of self-reported health or positive health
behaviors following Medicaid expansions. Studies found improvements in both measures of self-
reported physical and mental health, as well as increases in healthy behaviors such as self-reported
diabetes management. Additional research has documented provider reports of newly eligible adults
showing improved health or receiving life-saving or life-changing treatments that they could not obtain
prior to expansion.
596
,
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,
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,
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,
600
,
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,
602
,
603
,
604
,
605
,
606
,
607
,
608
,
609
,
610
,
611
,
612
Studies have found an association between Medicaid expansion and improvements in certain
measures of health outcomes. Studies in this area find an association between expansion and
improvements in cardiac surgery patient outcomes and perforated appendix admission rates among
hospitalized patients with acute appendicitis. One study did not find a significant association between
expansion and differences in rates of low birth weight or preterm birth outcomes overall, but did find
significant improvements in relative disparities for black infants compared with white infants in states that
expanded vs. those that did not. Two studies found expansion was associated with increased odds of
tobacco cessation (among adult CHC patients in one study and childless adults in the
other).
613
,
614
,
615
,
616
,
617
,
618
Additionally, a growing body of research has found an association between Medicaid expansion
and mortality, either population-level rates overall, for particular populations, or associated with
certain health conditions. A 2019 national study found that expansion was associated with a 0.132
percentage point decline in annual mortality among near-elderly adults driven largely by reductions in
disease-related deaths, an effect that translates to about 19,200 deaths that were averted during the first
four years of expansion (or 15,600 deaths in expansion states could have been averted in non-expansion
states). A 2020 study found that expansion was associated with a 6% lower rate of opioid overdose
deaths. Another study suggests that expansion may have contributed to infant mortality rate reductions,
finding that the mean infant mortality rate rose slightly in non-expansion states between 2014 and 2016,
compared to a decline in expansion states over that period (this effect was particularly pronounced
among the African-American population). Studies also found reductions in cardiovascular mortality among
middle-aged adults and in one-year mortality among end-stage renal disease patients initiating
dialysis.
619
,
620
,
621
,
622
,
623
Some studies did not find significant changes associated with expansion on certain measures of
quality of care, self-reported health, or health outcomes.
Some studies did not find an association between Medicaid expansion and quality outcomes;
many of these studies focused on very narrow population groups and/or found a link between
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
12
expansion and improvements in quality of care for some of the patient/population groups studied.
One study found no significant association between Medicaid expansion and changes in quality
of care delivered through Medicaid managed care plans. The authors suggest that this finding
shows that the health system has generally been able to absorb new expansion enrollees without
sacrificing care for existing enrollees.
624
,
625
,
626
,
627
,
628
,
629
,
630
,
631
,
632
,
633
,
634
Some studies on specific hospital patient groups found no significant changes associated with
expansion in measures of hospital care and outcomes, including rates of emergent admission,
admissions from clinic, diagnosis category at admission, admission severity, rapid discharges,
lengthy hospitalizations, unplanned readmissions, discharges to rehabilitation facilities, or failure
to rescue. One study found that expansion was associated with an increase in length of stay for
adult trauma patients.
635
,
636
,
637
,
638
,
639
,
640
,
641
,
642
,
643
,
644
,
645
,
646
,
647
,
648
,
649
A small number of studies did not find significant changes in certain measures of self-reported
health status, health outcomes including mortality, wellbeing, or healthy behaviors, or in
disparities between certain population groups in these measures. One study found that although
Medicaid expansion was associated with increased access to opioid pain-relievers, it was not
significantly associated with any change in opioid deaths. Similarly, an earlier study found no
evidence of expansion affecting drug-related overdoses or fatal alcohol poisonings. A third study
found that although opioid overdose mortality rates increased more in expansion states, this
difference was not caused by increased prescriptions. Given that it may take additional time for
measurable changes in health to occur, researchers suggest that further work is needed to
provide longer-term insight into expansion’s effects on self-reported health and health
outcomes.
650
,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
669
,
670
,
671
,
672
,
673
,
674
Provider Capacity
Many studies conclude that providers have expanded capacity or participation in Medicaid
following expansion and are meeting increased demands for care. Studies in this area include
findings showing an association of expansion with increases in primary care appointment availability, the
likelihood of accepting new patients with Medicaid among non-psychiatry specialist physicians, and
Medicaid acceptance and market entry among select medication assisted treatment (MAT) providers.
One study found improvements in receipt of checkups, care for chronic conditions, and quality of care
even in areas with primary care shortages, suggesting that insurance expansions can have a positive
impact even in areas with relative shortages. A survey of Medicaid managed care organizations found
that over seven in ten plans operating in expansion states reported expanding their provider networks
between January 2014 and December 2016 to serve the newly-eligible
population.
675
,
676
,
677
,
678
,
679
,
680
,
681
,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
694
,
695
,
696
,
697
,
698
,
699
,
700
,
701
Some studies on measures of provider availability showed no changes associated with
expansion. Authors note that findings of no changes may, in some cases, be viewed as favorable
outcomes indicating that provider availability is not worsening in expansion states despite the increased
demand for care associated with expansion. For example, despite concerns that expansion might worsen
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
13
access for the already-insured, two studies found that expansion was not associated with decreased
physician availability for Medicare patients.
702
,
703
,
704
,
705
,
706
,
707
,
708
,
709
,
710
,
711
,
712
,
713
,
714
,
715
Other studies found expansion was linked to problems with provider availability. Some of these
studies also had positive or insignificant findings related to provider capacity for certain populations or
types of appointment with negative findings related to others. These include findings that Medicaid
expansion was associated with longer wait times for appointments or increased difficulty obtaining
appointments with specialists. Most of these studies use early data from 2014 and
2015.
716
,
717
,
718
,
719
,
720
,
721
,
722
,
723
,
724
,
725
,
726
,
727
Affordability and Financial Security
Research suggests that Medicaid expansion improves the affordability of health care. Several
studies show that people in expansion states have experienced reductions in unmet medical need
because of cost, with national and multi-state studies showing those reductions were greater than
reductions in non-expansion states. Research also suggests that Medicaid expansion results in significant
reductions in out-of-pocket medical spending, and multiple studies found larger declines in trouble paying
as well as worry about paying future medical bills among people in expansion states relative to non-
expansion states. A recent study in Washington state found that among trauma patients, expansion was
associated with a 12.4 percentage point decrease in estimated catastrophic healthcare expenditure risk.
One study found that previously uninsured prescription drug users who gained Medicaid coverage in
2014 saw, on average, a $205 reduction in annual out-of-pocket spending in 2014. A January 2018 study
that focused on the 100-138% FPL population in expansion and non-expansion states also found that
Medicaid expansion coverage produced greater reductions than subsidized Marketplace coverage in
average total out-of-pocket spending, average out-of-pocket premium spending, and average cost-
sharing
spending.
728
,
729
,
730
,
731
,
732
,
733
,
734
,
735
,
736
,
737
,
738
,
739
,
740
,
741
,
742
,
743
,
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,
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,
746
,
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,
748
,
749
,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
764
,
765
,
766
,
767
,
768
,
769
,
770
,
771
,
772
,
773
Studies have found that Medicaid expansion significantly reduced the percentage of people with
medical debt, reduced the average size of medical debt, and reduced the probability of having
one or more medical bills go to collections in the past 6 months.
774
,
775
,
776
,
777
,
778
,
779
,
780
,
781
,
782
,
783
,
784
A study in Ohio showed lower medical debt holding levels among continuously-enrolled
expansion enrollees compared to those who unenrolled from expansion and those who had a
coverage gap, suggesting that medical debt levels rose even after a relatively short time without
Medicaid expansion coverage.
785
,
786
Research also suggests an association between Medicaid expansion and improvements in
broader measures of financial stability.
787
,
788
,
789
,
790
,
791
,
792
,
793
,
794
,
795
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
14
For example:
A study found that Medicaid expansion was associated with a 2.2 percentage point decrease in
very low food security (which is characterized by actual reduction of food intake due to
unaffordability) among low-income childless adults.
796
Two 2019 national studies looked at the association between Medicaid expansion and poverty
rates. One found that expansion was associated with a reduction in the rate of poverty by just
under 1 percentage point (or an estimated 690,000 fewer Americans living in poverty). The other
found that Medicaid expansion was associated with a 1.7 percentage point reduction in the
health-inclusive poverty measure (HIPM) poverty rate and a 0.9 percentage point reduction in the
HIPM deep poverty rate that were significant across all demographic groups considered except
single-parent households and were particularly substantial for vulnerable groups including
children, the near-elderly (age 55-64), black people, Hispanics, and those who have not
completed high school. The same study showed no significant change in the Census Bureau’s
supplemental poverty measure (SPM).
797
,
798
Studies have found that Medicaid expansion significantly reduced the average number of
collections, improved credit scores, reduced over limit credit card spending, reduced public
records (such as evictions, bankruptcies, or wage garnishments), and reduced the probability of a
new bankruptcy filing, among other improvements in measures of financial security. One 2019
study found that Medicaid expansion was associated with a 1.15 reduction in the rate of evictions
per 1000 renter-occupied households and a 1.59 reduction in the rate of eviction
filings.
799
,
800
,
801
,
802
,
803
,
804
A Michigan study found an association between expansion and improvements across a broad
swath of financial measures.
805
Multiple studies have found expansion to be associated with improvements in disparities by
income or race/ethnicity in measures of affordability of care or financial security.
806
,
807
,
808
,
809
,
810
,
811
Some study findings did not show significant effects of expansion on measures of affordability or
financial security. Several of these studies did not identify statistically significant differences in changes
in unmet medical need due to cost between expansion and non-expansion states, though authors note
that some of these findings may have been affected by study design or data limitations. Other studies did
not find changes associated with expansion in trouble or worry about paying medical bills. Two studies
did not find improvements in disparities by race/ethnicity associated with expansion in measures of unmet
care needs due to cost.
812
,
813
,
814
,
815
,
816
,
817
,
818
,
819
,
820
,
821
,
822
,
823
,
824
,
825
,
826
,
827
,
828
,
829
,
830
,
831
,
832
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
15
Economic Effects
Studies find positive effects of Medicaid expansion on a range of economic measures (Figure 5).
Economic effects of expansion include changes to payer mix and other impacts on hospitals and other
providers; effects on state budgets and economies; Medicaid spending per enrollee; marketplace effects;
and employment and labor market effects.
State Budgets and Economies
Analyses find effects of expansion on multiple state economic outcomes, including budget
savings, revenue gains, and overall economic growth. These positive effects occurred despite
Medicaid enrollment growth initially exceeding projections in many states and increases in total Medicaid
spending, largely driven by increases in federal spending given the enhanced federal match rate for
expansion population costs provided under the ACA (the federal share was 100% for 2014-2016). As of
Summer 2019, most expansion states reported relying on general fund support to finance the state share
of expansion costs, although some also use new or increased provider taxes/fees or savings accrued as
a result of the expansion. While studies showed higher growth rates in total Medicaid spending (federal,
state, and local) following initial expansion implementation in 2014 and 2015 compared to the previous
few years, this growth rate slowed significantly beginning in 2016. There is limited research examining the
fiscal effects at the federal level from the additional expenditures for the Medicaid expansion or the
revenues to support that spending.
833
,
834
,
835
,
836
,
837
,
838
,
839
,
840
,
841
,
842
,
843
,
844
,
845
,
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,
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,
848
,
849
,
850
,
851
,
852
,
853
,
854
,
855
National research found that there were no significant increases in spending from state funds as
a result of Medicaid expansion and no significant reductions in state spending on education,
Figure 5
Studies find positive effects of the ACA Medicaid expansion
across a range of economic measures.
NOTE: Studies may have findings on multiple outcomes and thus be counted in multiple of these bars.
SOURCE: KFF analysis of 404 studies of the impact of state Medicaid expansion published between January 2014 and January 2020.
66
62
20
18
14
4
13
2
2
1
9
0
10
20
30
40
50
60
70
80
Medicaid-Covered
Provider Visits
Uninsured
Provider Visits
Effects on State
Economy
Uncompensated
Care Costs
Financial
Performance of
Providers
Employment Other State Costs
# of Studies
# of studies that find positive effects
# of studies that find no difference or mixed findings
# of studies that find negative effects
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
16
transportation, or other state programs as a result of expansion during FYs 2010-2015. During
this period, the federal government paid for 100% of the cost expansion. State spending could
rise as the federal matching for the expansion phases down to 90%.
856
Single-state studies in Louisiana and Montana showed that expansion resulted in large infusions
of federal funds into the states’ economies and significant state savings. Louisiana studies
showed increases in overall state and local tax receipts in 2017 and 2018. A study in Montana
found positive financial effects for businesses due to infusion of federal dollars to fund health
coverage for workers.
857
,
858
,
859
,
860
,
861
Multiple studies suggest that Medicaid expansion resulted in state savings by offsetting state
costs in other areas, including state costs related to behavioral health services and crime and the
criminal justice system. For example, a study in Montana showed offsets for state SUD spending, a
study in California showed reduced county safety-net spending, and a study in Michigan pointed to state
savings for non-Medicaid health programs (including the state’s community mental health system, its
Adult Benefit Waiver program, and spending on health care for prisoners), which, combined with
increased tax revenue associated with expansion, resulted in net fiscal benefits expected through 2021.
Limited research also indicates possible federal and state savings due to decreased SSI participation
associated with expansion.
862
,
863
,
864
,
865
,
866
,
867
,
868
,
869
,
870
,
871
,
872
,
873
,
874
,
875
,
876
Medicaid Spending Per Enrollee
Studies have found lower Medicaid spending per enrollee for the new ACA adult eligibility group
compared to traditional Medicaid enrollees (including seniors and people with disabilities in some
studies and excluding those populations in others) and that per enrollee costs for newly eligible
adults have declined over time since initial implementation of the expansion.
877
,
878
,
879
,
880
,
881
,
882
,
883
,
884
One analysis found that in 2014, among those states reporting both spending and enrollment
data, spending per enrollee for the new adult group was much lower than spending per enrollee
for traditional Medicaid enrollees. Similarly, an analysis of 2012-2014 data from expansion states
found that average monthly expenditures for newly eligible Medicaid enrollees were $180, 21%
less than the $228 average for previously eligible enrollees.
885
,
886
A June 2017 study showed that per enrollee Medicaid spending declined in expansion states
(-5.1%) but increased in non-expansion states (5.1%) between 2013 and 2014. Researchers
attributed these trends to the ACA Medicaid expansion, which increased the share of relatively
less expensive enrollees in the Medicaid beneficiary population mix in expansion states.
887
Marketplace Effects
Studies suggest that Medicaid expansion supports the ACA Marketplaces and may help to lower
Marketplace premiums. Two national studies showed that Marketplace premiums were significantly
lower in expansion compared to non-expansion states, with estimates ranging from 7% lower in 2015 to
11-12% lower in a later study that looked at 2015-2018 data. Another study found that the state average
plan liability risk score was higher in non-expansion than expansion states in 2015 (higher risk scores are
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
17
associated with sicker state risk pools and likely translate to higher premiums).
A study in Arkansas
showed that the “private option” expansion has helped to boost the number of carriers offering
Marketplace plans statewide, generated a younger and relatively healthy risk pool in the Marketplace, and
contributed to a 2% drop in the average rate of Marketplace premiums between 2014 and 2015. A study
of New Hampshire’s Premium Assistance Program (PAP) population (Medicaid expansion population
enrolled in the Marketplace), however, showed higher medical costs for the PAP population compared to
other Marketplace enrollees.
888
,
889
,
890
,
891
,
892
Impacts on Hospitals and Other Providers
Research shows that Medicaid expansions result in reductions in uninsured hospital, clinic, or
other provider visits and uncompensated care costs, whereas providers in non-expansion states
have experienced little or no decline in uninsured visits and uncompensated care.
One study
suggested that Medicaid expansion cut every dollar that a hospital in an expansion state spent on
uncompensated care by 41 cents between 2013 and 2015, corresponding to a reduction in
uncompensated care costs across all expansion states of $6.2 billion over that
period.
893
,
894
,
895
,
896
,
897
,
898
,
899
,
900
,
901
,
902
,
903
,
904
,
905
,
906
,
907
,
908
,
909
,
910
,
911
,
912
,
913
,
914
,
915
,
916
,
917
,
918
,
919
,
920
,
921
,
922
,
923
,
924
,
925
,
926
,
927
,
928
,
929
,
930
,
931
,
932
,
933
,
934
,
935
,
936
,
937
,
938
,
939
,
940
,
941
,
942
,
943
,
944
,
945
,
946
,
947
,
948
,
949
,
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,
951
,
952
,
953
,
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,
955
,
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,
957
,
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,
959
,
960
,
961
,
962
,
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,
964
,
965
,
966
,
967
,
968
,
969
,
970
,
971
,
972
,
973
,
974
,
975
,
976
Some studies point to changes in payer mix within emergency departments (EDs), specifically.
Multiple studies found significant declines in uninsured ED visits and increases in Medicaid-
covered ED visits following expansion implementation. In addition, one study found that
expansion was associated with a 6.3% increase in ED physician reimbursement per visit in states
that newly expanded coverage for adults from 0% to 138% FPL compared to non-expansion
states.
977
,
978
,
979
,
980
,
981
,
982
,
983
,
984
,
985
,
986
,
987
,
988
,
989
,
990
Multiple studies found an association between expansion and significant increases in Medicaid
coverage of patients/treatment at specialty substance use disorder (SUD) treatment facilities or
treatment programs, with two studies also showing associated decreases in the probability that
patients at these facilities were uninsured. An additional study found large shifts in sources of
payment for SUD treatment among justice-involved individuals following Medicaid expansion in
2014, with significant increases in those reporting Medicaid as the source of
payment.
991
,
992
,
993
,
994
,
995
Numerous recent studies found an association between expansion and payer mix (decreases in
uninsured patients and increases in Medicaid patients) among patients hospitalized for certain
specific conditions, including a range of cardiovascular conditions and operations; diabetes-
related conditions; traumatic injury; and cancer surgery. Another analysis found expansion was
associated with increases in Medicaid patient admissions for five of the eight types of cancer
included in the study. Additional studies found that expansion was associated with increases in
the proportion of transplant listings (for lung, liver, and pre-emptive kidney transplants, especially
among racial and ethnic minorities) with Medicaid coverage, as well as increases in the
proportion of received pre-emptive kidney transplantations that were covered by Medicaid. Two
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
18
additional studies also found an increase in the chances of enrolling in Medicaid during post-liver
transplant care. A study using birth certificate data found that expansion was associated with an
increased proportion of deliveries covered by Medicaid, which was offset by a decrease in the
proportion covered by private insurers or other payers but no change in the proportion of women
who were
uninsured.
996
,
997
,
998
,
999
,
1000
,
1001
,
1002
,
1003
,
1004
,
1005
,
1006
,
1007
,
1008
,
1009
,
1010
,
1011
,
1012
,
1013
,
1014
,
1015
,
1016
,
1017
,
1018
Studies found that expansion’s impact on payer mix and uncompensated care varied by the type
and location of hospital. Two studies found larger decreases in uncompensated care and
increases in Medicaid revenue among hospitals that treat a disproportionate share of low-income
patients (DSH hospitals) compared to those that do not. A third study found no significant
association of Medicaid expansion with changes in charge-to-cost ratio for certain surgical
procedures in safety net hospitals vs. non-safety net hospitals, suggesting that safety net
hospitals did not increase charges to private payers in response to expansion-related payer mix
changes. A fourth study found that Medicaid expansion was significantly associated with
increased Medicaid-covered discharges for rural hospitals but not for urban hospitals, but that
urban hospitals saw significant reductions in uncompensated care costs while rural hospitals did
not.
1019
,
1020
,
1021
,
1022
Additional studies demonstrate that Medicaid expansion has significantly improved operating
margins and financial performances for hospitals, other providers, and managed care
organizations. A study published in January 2018 found that Medicaid expansion was associated with
improved hospital financial performance and significant reductions in the probability of hospital closure,
especially in rural areas and areas with higher pre-ACA uninsured rates. Another analysis found that
expansion’s effects on margins were strongest for small hospitals, for-profit and non-federal-government-
operated hospitals, and hospitals located in non-metropolitan areas. A third study found larger expansion-
related improvements in operating margins for public (compared to nonprofit or for-profit) hospitals and
rural (compared to non-rural) hospitals.
1023
,
1024
,
1025
,
1026
,
1027
,
1028
,
1029
,
1030
,
1031
,
1032
,
1033
,
1034
,
1035
A study of Ascension Health hospitals nationwide found that the decrease in uncompensated
care costs for hospitals in expansion states was greater than the increase in Medicaid shortfalls
between 2013 and 2014, whereas for hospitals in non-expansion states, the increase in Medicaid
shortfalls exceeded the decrease in uncompensated care.
1036
A survey of Medicaid managed care organizations found that nearly two-thirds of plans in
expansion states reported that the expansion has had a positive effect on their financial
performance.
1037
Recent studies on the association between expansion and hospital costs or charges for specific
conditions have found mixed results. One study found expansion was associated with increased
diagnosis-related group charges for lupus hospitalizations, but another study found an
association between expansion and reduced hospital costs for ambulatory care-sensitive
conditions and a third found lower total index hospital charges within the homeless population in
expansion states. An additional study found that hospital costs for minimally-invasive surgical
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
19
care decreased for Medicaid-insured patients in expansion states, but increased for
uninsured/self-pay patients.
1038
,
1039
,
1040
,
1041
Some research suggests that savings to providers following expansion may be partially offset by
increases in Medicaid shortfalls (the difference between what Medicaid pays and the cost of care
for Medicaid patients). One recent study found that while expansion led to substantial reductions in
hospitals’ uncompensated care costs, savings were offset somewhat by increased Medicaid payment
shortfalls (increases were greater in expansion relative to non-expansion states).
1042
Employment and Labor Market Effects
State-specific studies have documented significant job growth resulting from expansion. Studies
in Louisiana found that in FY 2017, the injection of federal expansion funds created and supported 19,195
jobs (while creating and supporting personal earnings of $1.12 billion) in sectors throughout the economy
and across the state; in FY 2018, continued federal healthcare spending supported 14,263 jobs and
$889.0 million in personal earnings. A study in Colorado found that the state supported 31,074 additional
jobs due to Medicaid expansion as of FY 2015-2016.
1043
,
1044
,
1045
,
1046
,
1047
Some studies found expansion was linked to increased employment. National research found
increases in the share of individuals with disabilities reporting employment and decreases in the share
reporting not working due to a disability in Medicaid expansion states following expansion
implementation, with no corresponding trends observed in non-expansion states; other research found a
decline in participation in Supplemental Security Income, which requires people to demonstrate having a
work-limiting disability and limits their allowable earned income. Another national study found evidence
that for many of the demographic groups included in the analysis, expansion was associated with an
increase in labor force participation and employment. The study also found a significant decrease in
involuntary part-time work for both the full population sample and the sample of those with incomes at or
below 138% FPL. A multi-state study found that by the fourth year of expansion, growth in total
employment was 1.3 percentage points higher and employment growth in the health care sector was 3.2
percentage points higher in the expansion states studied than in non-expansion
states.
1048
,
1049
,
1050
,
1051
,
1052
,
1053
Multiple studies showed that expansion supported enrollees’ ability to work, seek work, or
volunteer. Single-state studies in Ohio and Michigan showed that large percentages of expansion
beneficiaries reported that Medicaid enrollment made it easier to seek employment (among those who
were unemployed but looking for work) or continue working (among those who were employed). The
Michigan study found that 69% of enrollees who were working said they performed better at work once
they got expansion coverage. Another study found that 46% of primary care physicians surveyed in
Michigan reported that Michigan’s Medicaid expansion had a positive impact on patients’ ability to work.
An additional study in Michigan found that enrollees who reported improved health due to expansion were
more likely to say that expansion coverage improved their ability to work and to seek a new job. In
addition, a national study found an association between Medicaid expansion and volunteer work (both
formal volunteering for organizations and informally helping a neighbor), with significant increases in
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
20
volunteer work occurring among low-income individuals in expansion states in the post-expansion period
(through 2015) but no corresponding increase in non-expansion states. The researchers connect this
finding to previous literature showing an association between improvements in individual health and
household financial stabilization and an increased likelihood of volunteering.
1054
,
1055
,
1056
,
1057
,
1058
Some studies found no effects of expansion on some measures of employment or employee
behavior; just one study found a negative effect of expansion on these measures. Measures in this
area that showed no changes related to expansion in some studies include measures of employment
rates, transitions from employment to non-employment, the rate of job switches, transitions from full- to
part-time employment, labor force participation, usual hours worked per week, self-employment, and
Supplemental Security Income applications. Authors of two studies note that expansion had no effect on
employment and job-seeking despite concerns that the availability of free non-employer health insurance
could be a disincentive to finding employment. A 2019 study comparing pairs of bordering counties in
expansion and non-expansion states found that expansion was associated with a temporary 1.2%
decrease in employment one year after implementation (although this effect did not persist two years after
expansion) and no effect on wages at any point.
1059
,
1060
,
1061
,
1062
,
1063
,
1064
,
1065
,
1066
,
1067
,
1068
Emerging Studies
Medicaid expansion was associated with a statistically significant decrease in reported cases of neglect
for children younger than six years, but no significant change in rates of physical abuse for children under
six. Another 2019 study found that Medicaid expansion was associated with increased undercounting of
Medicaid enrollment in the American Community Survey. A 2017 study found that expansion was
negatively associated with the prevalence of divorce among those ages 50-64 and infers that this likely
indicates a reduction in medical divorce. A study found that expansion was not associated with increased
migration from non-expansion states to expansion states in 2014, indicating that individuals did not
migrate in order to gain access to Medicaid benefits. An additional group of studies suggests that
Medicaid expansion may have significant effects on measures related to individuals’ political activity and
views. Specifically, studies show associations between Medicaid expansion and increases in voter
registration, ACA favorability, and gubernatorial approval. One study found that the increase in Medicaid
enrollment following Medicaid expansion was associated with increases in voter turnout for U.S. House
races in 2014 compared to 2012 (i.e., a reduction in the size of the usual midterm drop-off in turnout), but
another study showed only weak evidence of a potential turnout effect of expansion in the 2014 election,
and a consistent lack of any impact on turnout in 2016.
1069
,
1070
,
1071
,
10721073
,
1074
,
1075
,
1076
,
1077
The authors thank Larisa Antonisse for her work on previous versions
of this brief and assistance with reviewing recently published studies
included in this update, as well as Eva Allen from The Urban Institute
for her assistance with reviewing studies first included in an earlier
version of this brief.
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
21
Endnotes
1
This is an update to four earlier versions of this issue brief that covered studies published through May
2016, January 2017, June 2017, February 2018, and June 2019.
2
Mark Olfson et al., "A National Survey of Trends in Health Insurance Coverage of Low-Income Adults
Following Medicaid Expansion," Journal of General Internal Medicine Epub ahead of print (October 2019),
https://doi.org/10.1007/s11606-019-05409-5
3
John A. Graves et al., "Medicaid Expansion Slowed Rates of Health Decline for Low-Income Adults in
Southern States," Health Affairs 39, no. 1 (January 2020): 67-76,
https://doi.org/10.1377/hlthaff.2019.00929
4
Jim P. Stimpson, Jessie Kemmick Pintor, and Fernando A. Wilson, "Association of Medicaid Expansion
with Health Insurance Coverage by Marital Status and Sex," PLoS One 14, no. 10 (October 2019),
https://doi.org/10.1371/journal.pone.0223556
5
Jim P. Stimpson et al., "Association of Medicaid Expansion With Health Insurance Coverage Among
Persons With a Disability," JAMA Network Open 2, no. 7 (July 2019),
https://doi.org/10.1001/jamanetworkopen.2019.7136
6
Gracie Himmelstein, "Effect of the Affordable Care Act's Medicaid Expansions on Food Security, 2010-
2016," American Journal of Public Health 109, no. 9 (September 2019): 1243-1248,
https://doi.org/10.2105/ajph.2019.305168
7
Sumit D. Agarwal, Anna L. Goldman, and Benjamin D. Sommers, "Blue-Collar Workers Had Greatest
Insurance Gains After ACA Implementation," Health Affairs 38, no. 7 (July 2019): 1140-1144,
https://doi.org/10.1377/hlthaff.2018.05454
8
Michel Boudreaux, James M. Noon, Brett Fried, and Joanne Pascale, "Medicaid Expansion and the
Medicaid Undercount in the American Community Survey," Health Services Research 54, no. 6
(December 2019): 1263-1272, https://doi.org/10.1111/1475-6773.13213
9
Hiroshi Gotanda, Gerald Kominski, and Yusuke Tsugawa, "Association Between the ACA Medicaid
Expansions and Primary Care and Emergency Department Use During the First 3 Years," Journal of
General Internal Medicine Epub ahead of print (December 2019), https://doi.org/10.1007/s11606-019-
05458-w
10
Lucie Schmidt, Lara Shore-Sheppard, and Tara Watson, The Impact of the ACA Medicaid Expansion
on Disability Program Applications (National Bureau of Economic Research, Working Paper No. 26192,
August 2019), http://www.nber.org/papers/w26192
11
James A. Richardson, Jared J. Llorens, and Roy L. Heidelberg. Medicaid Expansion and the Louisiana
Economy, 2018 and 2019 (Louisiana Department of Health, Prepared by Louisiana State University,
August 2019), http://ldh.la.gov/assets/media/3and4.2019FinalReportMedicaidExpansionstudy.pdf
12
Nevada’s Medicaid Population, (Las Vegas, NV: The Guinn Center, September 2019),
https://guinncenter.org/wp-content/uploads/2019/09/Guinn-Center-NV-Medicaid-Population-
Characteristics-2019.pdf
13
Charles J. Courtemanche et al., The Impact of the ACA on Insurance Coverage Disparities After Four
Years (National Bureau of Economic Research, Working Paper No. 26157, August 2019),
http://www.nber.org/papers/w26157
14
Charles J. Courtemanche, James Marton, and Aaron Yelowitz, Medicaid Coverage across the Income
Distribution under the Affordable Care Act (National Bureau of Economic Research, Working Paper No.
26145, August 2019), http://www.nber.org/papers/w26145
15
Sarah Miller and Laura Wherry, “Four Years Later: Insurance Coverage and Access to Care Continue
to Diverge between ACA Medicaid Expansion and Non-Expansion States,” American Economic
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
22
Association Papers and Proceedings 109 (May 2019): 327-333,
https://www.aeaweb.org/articles?id=10.1257/pandp.20191046
16
Charles Courtemanche, James Marton, Benjamin Ukert, Aaron Yelowitz, Daniela Zapata, and Ishtiaque
Fazlul, “The ThreeYear Impact of the Affordable Care Act on Disparities in Insurance Coverage,” Health
Services Research (October 2018), https://onlinelibrary.wiley.com/doi/10.1111/1475-6773.13077
17
Laura Skopec, John Holahan, and Caroline Elmendorf, Changes in Health Insurance Coverage 2013
2016:
Medicaid Expansion States Lead the Way, (Washington, DC: The Urban Institute, September 2018),
https://www.urban.org/sites/default/files/publication/98989/changes_in_health_insurance_coverage_2013
-2016_medicaid_expansion_states_lead_the_way_1.pdf
18
Stephen Barnes, Mike Henderson, Dek Terrell, and Stephanie Virgets, 2017 Louisiana Health
Insurance Survey (Louisiana Department of Health, Prepared by the Louisana State University E.J. Ourso
College of Business, August 2018), http://ldh.la.gov/assets/media/2017-Louisiana-Health-Insurance-
Survey-Report.pdf
19
Pennsylvania Department of Human Services, Medicaid Expansion Report, (Pennsylvania Department
of Human Services, January 2017),
http://www.dhs.pa.gov/cs/groups/webcontent/documents/document/c_257436.pdf
20
Seth Freedman, Lilliard Richardson, and Kosali Simon, “Learning From Waiver States: Coverage
Effects Under Indiana’s HIP Medicaid Expansion,” Health Affairs 37, no. 6 (June 2018),
https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.1596
21
Abeer Alharbi, M. Mahmud Khan, Ronnie Horner, Heather Brandt, and Cole Chapman, “Impact Of
Medicaid Coverage Expansion Under The Affordable Care Act On Mammography And Pap Tests
Utilization Among Low-Income Women,” PLOS One (April 2019),
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0214886
22
Alina Denham and Peter Veazie, “Did Medicaid Expansion Matter in States with Generous Medicaid?”
The American Journal of Managed Care 25, no. 3 (March 2019): 129-134,
https://www.ajmc.com/journals/issue/2019/2019-vol25-n3/did-medicaid-expansion-matter-in-states-with-
generous-medicaid
23
Kevin Callison and Paul Sicilian, “Economic Freedom and the Affordable Care Act: Medicaid
Expansions and Labor Mobility by Race and Ethnicity,” Public Finance Review 46, no. 2 (March 2018),
https://journals.sagepub.com/doi/abs/10.1177/1091142116668254
24
Helen Levy, Thomas Buchmueller, and Sayeh Nikpay, “The Impact of Medicaid Expansion on
Household Consumption,” Eastern Economic Journal 45, no. 1 (January 2019): 34-57,
https://link.springer.com/article/10.1057/s41302-018-0124-7
25
Michael Dworsky and Christine Eibner, The Effect of the 2014 Medicaid Expansion on Insurance
Coverage for Newly Eligible Childless Adults (Santa Monica, CA: Rand Corporation, 2016),
https://www.rand.org/pubs/research_reports/RR1736.html
26
Colleen M. Carey, Sarah Miller, and Laura R. Wherry, The Impact of Insurance Expansions on the
Already Insured: The Affordable Care Act and Medicare, (National Bureau of Economic Research,
Working Paper Series No. 25153, October 2018), https://www.nber.org/papers/w25153
27
Frederic Blavin, Michael Karpman, Genevieve Kenney, and Benjamin Sommers, “Medicaid Versus
Marketplace Coverage for Near-Poor Adults: Effects on Out-Of-Pocket Spending and Coverage,” Health
Affairs 37 no. 2 (January 2018), https://www.healthaffairs.org/doi/abs/10.1377/hlthaff.2017.1166
28
Sarah Miller and Laura Wherry, “Health and Access to Care During the First 2 Years of the ACA
Medicaid Expansions,” The New England Journal of Medicine 376 no. 10 (March 2017),
http://www.nejm.org/doi/full/10.1056/NEJMsa1612890
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
23
29
Louisiana Department of Health, Medicaid Expansion 2016/17 (Baton Rouge, Louisiana Department of
Health, June 2017),
http://dhh.louisiana.gov/assets/HealthyLa/Resources/MdcdExpnAnnlRprt_2017_WEB.pdf
30
Joshua Clinton and Michael Sances, “The Politics of Policy: The Initial Mass Political Effects of
Medicaid Expansion in the States,” American Political Science Review 112, no. 1 (February 2018): 167-
185, https://www.cambridge.org/core/journals/american-political-science-review/article/politics-of-policy-
the-initial-mass-political-effects-of-medicaid-expansion-in-the-
states/246AA0F10B44EFD62A7B27C661730823
31
Sandra Decker, Brandy Lipton, and Benjamin Sommers, “Medicaid Expansion Coverage Effects Grew
in 2015 With Continued Improvements in Coverage Quality,” Health Affairs 36 no. 5 (May 2017): 819-825,
http://content.healthaffairs.org/content/36/5/819.full
32
Abigail Barker, Kelsey Huntzberry, Timothy McBride, and Keith Mueller, Changing Rural and Urban
Enrollment in State Medicaid Programs (Iowa City, IA: Rural Policy Research Institute, May 2017),
https://cph.uiowa.edu/rupri/publications/policybriefs/2017/Changing%20Rural%20and%20Urban%20Enrol
lment%20in%20State%20Medicaid%20Programs.pdf
33
George Wehby and Wei Lyu, “The Impact of the ACA Medicaid Expansions on Health Insurance
Coverage through 2015 and Coverage Disparities by Age, Race/Ethnicity, and GenderHealth Services
Research epub ahead of print (May 2017), http://onlinelibrary.wiley.com/doi/10.1111/1475-
6773.12711/abstract
34
Robin Rudowitz, Laura Snyder, and Vernon Smith, Medicaid Enrollment & Spending Growth: FY 2015
& 2016 (Washington, DC: Kaiser Commission on Medicaid and the Uninsured, October 2015),
http://kff.org/medicaid/issue-brief/medicaid-enrollment-spending-growth-fy-2015-2016/
35
Deloitte Development LLC, Commonwealth of Kentucky Medicaid Expansion Report, (Deloitte
Development LLC, February 2015), http://jointhehealthjourney.com/images/uploads/channel-
files/Kentucky_Medicaid_Expansion_One-Year_Study_FINAL.pdf
36
Samantha Artiga, Jennifer Tolbert, and Robin Rudowitz, Year Two of the ACA Coverage Expansions:
On-the-Ground Experiences from Five States (Washington, DC: Kaiser Commission on Medicaid and the
Uninsured, June 2015), http://kff.org/health-reform/issue-brief/year-two-of-the-aca-coverage-expansions-
on-the-ground-experiences-from-five-states/
37
Laura Wherry and Sarah Miller, “Early Coverage, Access, Utilization, and Health Effects Associated
with the Affordable Care Act Medicaid Expansions: A Quasi-experimental Study,” Annals of Internal
Medicine, Epub ahead of print (April 2016), http://annals.org/article.aspx?articleid=2513980
38
Anne Martin et al., “National Health Spending: Faster Growth in 2015 As Coverage Expands and
Utilization Increases,” Health Affairs 36 no. 1 (January 2017): 166-176,
http://content.healthaffairs.org/content/36/1/166.full?sid=982b20c0-0a17-4dc4-a35a-b0302d4ec289
39
Benjamin Sommers, Robert Blendon, and E. John Orav, “Both the ‘Private Option’ And Traditional
Medicaid Expansions Improved Access To Care For Low-Income Adults,” Health Affairs 35, no. 1
(January 2016): 96-105, http://content.healthaffairs.org/content/35/1/96.abstract
40
Robin Rudowitz, Allison Valentine, and Vernon Smith, Medicaid Enrollment and Spending Growth: FY
2016 & 2017 (Washington, DC: Kaiser Commission on Medicaid and the Uninsured, October 2016),
http://kff.org/medicaid/issue-brief/medicaid-enrollment-spending-growth-fy-2016-2017/
41
Jessica Vistnes and Joel Cohen, “Gaining Coverage in 2014: New Estimates of Marketplace and
Medicaid Transitions,” Health Affairs 35 no. 10 (October 2016): 1825-1829,
http://content.healthaffairs.org/content/35/10/1825.full?sid=cc385dd5-9c95-4ee1-9c58-888408d49c54
42
Pauline Leung and Alexandre Mas, Employment Effects of the ACA Medicaid Expansions (Working
Paper No. 22540, National Bureau of Economic Research, August 2016),
http://www.nber.org/papers/w22540
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
24
43
Kamyar Nasseh and Marko Vujicic, Early Impact of the Affordable Care Act’s Medicaid Expansion on
Dental Care Use (Health Services Research, November 2016),
http://onlinelibrary.wiley.com/doi/10.1111/1475-6773.12606/full
44
Christian Wolfe, Kathryn Rennie, and Christopher Truffer, 2017 Actuarial Report on the Financial
Outlook for Medicaid (Office of the Actuary, Centers for Medicare and Medicaid Services, September
2018), https://www.cms.gov/Research-Statistics-Data-and-
Systems/Research/ActuarialStudies/Downloads/MedicaidReport2017.pdf
45
Aparna Soni, Michael Hendryx, and Kosali Simon, “Medicaid Expansion under the Affordable Care Act
and Insurance Coverage in Rural and Urban Areas,” The Journal of Rural Health epub ahead of print
(January 2017), http://onlinelibrary.wiley.com/doi/10.1111/jrh.12234/full
46
Molly Frean, Jonathan Gruber, and Benjamin Sommers, Premium Subsidies, the Mandate, and
Medicaid Expansion: Coverage Effects of the Affordable Care Act (Working Paper No. 22213, National
Bureau of Economic Research, April 2016),
http://www.nber.org/papers/w22213?utm_campaign=ntw&utm_medium=email&utm_source=ntw
47
Stan Dorn, Norton Francis, Laura Snyder, and Robin Rudowitz, The Effects of the Medicaid Expansion
on State Budgets: An Early Look in Select States (Washington, DC: Kaiser Commission on Medicaid and
the Uninsured, March 2015), http://kff.org/medicaid/issue-brief/the-effects-of-the-medicaid-expansion-on-
state-budgets-an-early-look-in-select-states/
48
Sarah Gordon, Benjamin Sommers, Ira Wilson, Omar Galarraga, and Amal Trivedi, “The Impact of
Medicaid Expansion on Continuous Enrollment: a Two State Analysis,” Journal of General Internal
Medicine epub ahead of print (June 2019), https://link.springer.com/article/10.1007/s11606-019-05101-8
49
MaryBeth Musumeci, Priya Chidambaram, and Molly O’Malley Watts, Key Questions About Medicaid
Home and Community-Based Services Waiver Waiting Lists (Washington, DC: Kaiser Family Foundation,
April 2019), https://www.kff.org/medicaid/issue-brief/key-questions-about-medicaid-home-and-community-
based-services-waiver-waiting-lists/
50
Manzilat Akande, Peter Minneci, Katherine Deans, Henry Xiang, Deena Chisolm, and Jennifer Cooper,
“Effects Of Medicaid Expansion On Disparities In Trauma Care And Outcomes In Young Adults,” Journal
of Surgical Research 228 (August 2018): 42-53,
https://www.sciencedirect.com/science/article/pii/S0022480418301562
51
Jim Stimpson and Fernando Wilson, “Medicaid Expansion Improved Health Insurance Coverage For
Immigrants, But Disparities Persist,” Health Affairs 37, no. 10 (October 2018),
https://www.healthaffairs.org/doi/full/10.1377/hlthaff.2018.0181
52
Adele Shartzer, Frederic Blavin, and John Holohan, “Employer-Sponsored Insurance Stable For Low-
Income Workers In Medicaid Expansion States,” Health Affairs 37, no. 4 (April 2018),
https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.1205
53
Benjamin Sommers, Carrie Fry, Robert Blendon, and Arnold Epstein, “New Approaches in Medicaid:
Work Requirements, Health Savings Accounts, and Health Care Access,” Health Affairs 37, no. 7 (June
2018), https://www.healthaffairs.org/doi/pdf/10.1377/hlthaff.2018.0331
54
The Ohio Department of Medicaid, 2018 Ohio Medicaid Group VIII Assessment: A Follow
Up to the
2016 Ohio Medicaid Group VIII Assessment, (The Ohio Department of Medicaid, August 2018),
https://medicaid.ohio.gov/Portals/0/Resources/Reports/Annual/Group-VIII-Final-Report.pdf
55
Julia Foutz, Samantha Artiga, and Rachel Garfield, The Role of Medicaid in Rural America
(Washington, DC: Kaiser Family Foundation, April 2017), http://kff.org/medicaid/issue-brief/the-role-of-
medicaid-in-rural-america/
56
Sara Collins, Munira Gunja, Michelle Doty, and Sophie Beutel, Americans’ Experiences with ACA
Marketplace and Medicaid Coverage: Access to Care and Satisfaction (The Commonwealth Fund, May
2016), http://www.commonwealthfund.org/publications/issue-briefs/2016/may/aca-tracking-survey-
access-to-care-and-satisfaction
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
25
57
Robin Rudowitz, Samantha Artiga, Anthony Damico, and Rachel Garfield, A Closer Look at the
Remaining Uninsured Population Eligible for Medicaid and CHIP (Washington, DC: Kaiser Commission
on Medicaid and the Uninsured, February 2016), http://kff.org/uninsured/issue-brief/a-closer-look-at-the-
remaining-uninsured-population-eligible-for-medicaid-and-chip/
58
Michael McCue, “The Impact of Medicaid Expansion on Medicaid Focused Insurers in California,”
Inquiry: The Journal of Health Care Organization, Provision, and Financing 52 (July 2015),
http://inq.sagepub.com/content/52/0046958015595960.full.pdf+html
59
Nicolas Ajkay et al, “Early Impact of Medicaid Expansion and Quality of Breast Cancer Care in
Kentucky,Journal of the American College of Surgeons, epub ahead of print, February 2018,
https://www.sciencedirect.com/science/article/pii/S107275151830022X
60
Centers for Medicare and Medicaid Services, Monthly Medicaid and CHIP Application, Eligibility,
Determination, and Enrollment Reports, (Centers for Medicare and Medicaid Services, March 2016),
https://www.medicaid.gov/medicaid-chip-program-information/program-information/medicaid-and-chip-
enrollment-data/medicaid-and-chip-application-eligibility-determination-and-enrollment-data.html
61
Jessica Vistnes and Joel Cohen, “Duration of Uninsured Spells For Nonelderly Adults Declined After
2014,” Health Affairs 37, no. 6 (June 2018),
https://www.healthaffairs.org/doi/full/10.1377/hlthaff.2017.1638
62
Mark Olfson et al., "A National Survey of Trends in Health Insurance Coverage of Low-Income Adults
Following Medicaid Expansion," Journal of General Internal Medicine Epub ahead of print (October 2019),
https://doi.org/10.1007/s11606-019-05409-5
63
Jesse C. Baumgartner, Sara R. Collins, David C. Radley, and Susan L. Hayes, How the Affordable
Care Act Has Narrowed Racial and Ethnic Disparities in Access to Health Care (The Commonwealth
Fund, January 2020), https://www.commonwealthfund.org/publications/2020/jan/how-ACA-narrowed-
racial-ethnic-disparities-access
64
Anna L. Goldman and Benjamin D. Sommers, "Among Low-Income Adults Enrolled In Medicaid,
Churning Decreased After The Affordable Care Act," Health Affairs 39, no. 1 (January 2020): 85-93,
https://doi.org/10.1377/hlthaff.2019.00378
65
Amandeep R. Mahal et al., "Early Impact of the Affordable Care Act and Medicaid Expansion on Racial
and Socioeconomic Disparities in Cancer Care," American Journal of Clinical Oncology Epub ahead of
print (January 2020), https://doi.org/10.1097/coc.0000000000000588
66
Jennifer M. Lobo et al., "Trends in Uninsured Rates Before and After Medicaid Expansion in Counties
Within and Outside of the Diabetes Belt," Diabetes Care Epub ahead of print (January 2020),
https://doi.org/10.2337/dc19-0874
67
John A. Graves et al., "Medicaid Expansion Slowed Rates of Health Decline for Low-Income Adults in
Southern States," Health Affairs 39, no. 1 (January 2020): 67-76,
https://doi.org/10.1377/hlthaff.2019.00929
68
Lizhong Peng, Xiaohui Guo, and Chad D. Meyerhoefer, "The Effects of Medicaid Expansion on Labor
Market Outcomes: Evidence from Border Counties," Health Economics Epub ahead of print (December
2019), https://doi.org/10.1002/hec.3976
69
Deborah Yip et al., "Association of Medicaid Expansion and Health Insurance with Receipt of Smoking
Cessation Services and Smoking Behaviors in Substance Use Disorder Treatment," The Journal of
Behavioral Health Services & Research (July 2019), https://doi.org/10.1007/s11414-019-09669-1
70
Laura Skopec, John Holahan, and Caroline Elmendorf, Health Insurance Coverage Declined for
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Shiho Kino and Ichiro Kawachi, "Can Health Literacy Boost Health Services Utilization in the Context of
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Jim P. Stimpson, Jessie Kemmick Pintor, and Fernando A. Wilson, "Association of Medicaid Expansion
with Health Insurance Coverage by Marital Status and Sex," PLoS One 14, no. 10 (October 2019),
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Jim P. Stimpson et al., "Association of Medicaid Expansion With Health Insurance Coverage Among
Persons With a Disability," JAMA Network Open 2, no. 7 (July 2019),
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Aparna Soni, Michael Hendryx, and Kosali Simon, “Medicaid Expansion under the Affordable Care Act
and Insurance Coverage in Rural and Urban Areas,” The Journal of Rural Health epub ahead of print
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Lindsay C. Kobayashi, Onur Altindag, Yulya Truskinovsky, and Lisa F. Berkman, "Effects of the
Affordable Care Act Medicaid Expansion on Subjective Well-Being in the US Adult Population, 2010-
2016," American Journal of Public Health 109, no. 9 (September 2019): 1236-1242,
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Hiroshi Gotanda, Gerald Kominski, and Yusuke Tsugawa, "Association Between the ACA Medicaid
Expansions and Primary Care and Emergency Department Use During the First 3 Years," Journal of
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James A. Richardson, Jared J. Llorens, and Roy L. Heidelberg. Medicaid Expansion and the Louisiana
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Sri Lekha Tummalapalli, Samuel Leonard, Michelle M. Estrella, and Salomeh Keyhani, "The Effect of
Medicaid Expansion on Self-Reported Kidney Disease," Clinical Journal of American Society of
Nephrology 14, no. 8 (August 2019): 1238-1240, https://doi.org/10.2215/cjn.02310219
79
Sarah Miller and Laura Wherry, “Four Years Later: Insurance Coverage and Access to Care Continue
to Diverge between ACA Medicaid Expansion and Non-Expansion States,” American Economic
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80
Hyunjung Lee and Frank Porell, “The Effect of the Affordable Care Act Medicaid Expansion on
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Charles Courtemanche, James Marton, Benjamin Ukert, Aaron Yelowitz, Daniela Zapata, and Ishtiaque
Fazlul, “The ThreeYear Impact of the Affordable Care Act on Disparities in Insurance Coverage,” Health
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Laura Skopec, John Holahan, and Caroline Elmendorf, Changes in Health Insurance Coverage 2013
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Stephen Barnes, Mike Henderson, Dek Terrell, and Stephanie Virgets, 2017 Louisiana Health
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Robin Cohen, Emily Terlizzi, and Michael Martinez, Health Insurance Coverage: Early Release of
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Christina Goe, 2018 Report on Health Coverage and Montana's Uninsured (Montana Helathcare
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86
Pennsylvania Department of Human Services, Medicaid Expansion Report, (Pennsylvania Department
of Human Services, January 2017),
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Seth Freedman, Lilliard Richardson, and Kosali Simon, “Learning From Waiver States: Coverage
Effects Under Indiana’s HIP Medicaid Expansion,” Health Affairs 37, no. 6 (June 2018),
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88
John Cawley, Aparna Soni, and Kosali Simon, “Third Year of Survey Data Shows Continuing Benefits
of Medicaid Expansions for Low-Income Childless Adults in the U.S.,” Journal of General Internal
Medicine 33, no. 9 (September 2018): 1495-1497, https://link.springer.com/article/10.1007%2Fs11606-
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89
Kosali Simon, Aparna Soni, and John Cawley, “The Impact of Health Insurance on Preventive Care and
Health Behaviors: Evidence from the First Two Years of the ACA Medicaid Expansions” Journal of Policy
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90
Michael Dworsky and Christine Eibner, The Effect of the 2014 Medicaid Expansion on Insurance
Coverage for Newly Eligible Childless Adults (Santa Monica, CA: Rand Corporation, 2016),
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91
Frederic Blavin, Michael Karpman, Genevieve Kenney, and Benjamin Sommers, “Medicaid Versus
Marketplace Coverage for Near-Poor Adults: Effects on Out-Of-Pocket Spending and Coverage,” Health
Affairs 37 no. 2 (January 2018), https://www.healthaffairs.org/doi/abs/10.1377/hlthaff.2017.1166
92
Thomas Selden, Brandy Lipton, and Sandra Decker, “Medicaid Expansion and Marketplace Eligibility
Both Increased Coverage, With Trade-Offs in Access, Affordability,” Health Affairs 36 no. 12 (December
2017), https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0830
93
Susan Hayes, Sara Collins, David Radley, and Douglas McCarthy, What’s at Stake: States’ Progress
on Health Coverage and Access to Care, 2013-2016 (The Commonwealth Fund, December 2017),
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and-access
94
Sharon Long, Lea Bart, Michael Karpman, Adele Shartzer, and Stephen Zuckerman, “Sustained Gains
in Coverage, Access, and Affordability Under the ACA: A 2017 Update,” Health Affairs 36 no. 9
(September 2017), https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0798
95
Kevin Griffith, Leigh Evans, and Jacob Bor, “The Affordable Care Act Reduced Socioeconomic
Disparities in Health Care Access,” Health Affairs 36 no. 8 (August 2017),
https://www.healthaffairs.org/doi/abs/10.1377/hlthaff.2017.0083
96
Aaron Sojourner and Ezra Golberstein, “Medicaid Expansion Reduced Unpaid Medical Debt and
Increased Financial Satisfaction,” Health Affairs (July 2017),
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97
Sunha Choi, Sungkyu Lee, and Jason Matejkowski, “The Effects of State Medicaid Expansion on Low-
Income Individuals’ Access to Health Care: Multilevel Modeling,” Population Health Management epub
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98
Dahai Yue, Petra Rasmussen, and Ninez Ponce, “Racial/Ethnic Differential Effects of Medicaid
Expansion on Health Care Access,” Health Services Research (February 2018),
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99
Sarah Miller and Laura Wherry, “Health and Access to Care During the First 2 Years of the ACA
Medicaid Expansions,” The New England Journal of Medicine 376 no. 10 (March 2017),
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100
Benjamin Sommers, Bethany Maylone, Robert Blendon, E. John Orav, and Arnold Epstein, “Three-
Year Impacts of the Affordable Care Act: Improved Medical Care and Health Among Low-Income Adults,”
Health Affairs epub ahead of print (May 2017),
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101
Sandra Decker, Brandy Lipton, and Benjamin Sommers, “Medicaid Expansion Coverage Effects Grew
in 2015 With Continued Improvements in Coverage Quality,” Health Affairs 36 no. 5 (May 2017): 819-825,
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102
Sandra Decker and Brandy Lipton, “Most Newly Insured People in 2014 Were Long-Term Uninsured,”
Health Affairs 36 no. 1 (January 2017): 16-20,
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103
George Wehby and Wei Lyu, “The Impact of the ACA Medicaid Expansions on Health Insurance
Coverage through 2015 and Coverage Disparities by Age, Race/Ethnicity, and Gender” Health Services
Research epub ahead of print (May 2017), http://onlinelibrary.wiley.com/doi/10.1111/1475-
6773.12711/abstract
104
Kelsey Avery, Kenneth Finegold, and Amelia Whitman, Affordable Care Act Has Led to Historic,
Widespread Increase in Health Insurance Coverage (Office of the Assistant Secretary for Planning and
Evaluation, September 2016),
https://aspe.hhs.gov/sites/default/files/pdf/207946/ACAHistoricIncreaseCoverage.pdf
105
Eric Seiber and Micah Berman, “Medicaid Expansion and ACA Repeal: Evidence from Ohio,”
American Journal of Public Health epub ahead of print (April 2017),
http://ajph.aphapublications.org/doi/pdf/10.2105/AJPH.2017.303722
106
Office of the Assistant Secretary for Planning and Evaluation (ASPE), Impacts of the Affordable Care
Act’s Medicaid Expansion on Insurance Coverage and Access to Care (Office of the Assistant Secretary
for Planning and Evaluation, June 2016),
https://aspe.hhs.gov/sites/default/files/pdf/205141/medicaidexpansion.pdf
107
Joseph Benitez, Liza Creel, and J’Aime Jennings, “Kentucky’s Medicaid Expansion Showing Early
Promise on Coverage and Access to Care,” Health Affairs (February 2016),
http://content.healthaffairs.org/content/early/2016/02/16/hlthaff.2015.1294
108
Sara Collins, Petra Rasmussen, Michelle Doty, and Sophie Beutel The Rise in Health Care Coverage
and Affordability Since Health Reform Took Effect: Findings from the Commonwealth Fund Biennial
Health Insurance Survey, 2014 (The Commonwealth Fund, January 2015),
http://www.commonwealthfund.org/~/media/files/publications/issue-
brief/2015/jan/1800_collins_biennial_survey_brief.pdf?la=en
109
Benjamin Sommers, Robert Blendon, and E. John Orav, “Both the ‘Private Option’ And Traditional
Medicaid Expansions Improved Access To Care For Low-Income Adults,” Health Affairs 35, no. 1
(January 2016): 96-105, http://content.healthaffairs.org/content/35/1/96.abstract
110
Benjamin Sommers, Munira Gunja, Kenneth Finegold, and Thomas Musco, “Changes in Self-Reported
Insurance Coverage, Access to Care, and Health Under the Affordable Care Act,” The Journal of the
American Medical Association 314 no. 4 (July 2015): 366-374,
http://jama.jamanetwork.com/article.aspx?articleid=2411283&resultClick=3
111
Jessica Smith and Carla Medalia, Health Insurance Coverage in the United States: 2014 (U.S. Census
Bureau, September 2015),
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112
Thomas Buchmueller, Zachary Levinson, Helen Levy, and Barbara Wolfe, “Effect of the Affordable
Care Act on Racial and Ethnic Disparities in Health Insurance Coverage,” American Journal of Public
Health (May 2016), http://www.ncbi.nlm.nih.gov/pubmed/27196653
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
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113
Kelsey Avery, Kenneth Finegold, and Amelia Whitman, Affordable Care Act Has Led to Historic,
Widespread Increase in Health Insurance Coverage (Office of the Assistant Secretary for Planning and
Evaluation, September 2016),
https://aspe.hhs.gov/sites/default/files/pdf/207946/ACAHistoricIncreaseCoverage.pdf
114
Benjamin Sommers, Robert Blendon, E. John Orav, and Arnold Epstein, “Changes in Utilization and
Health Among Low-Income Adults After Medicaid Expansion or Expanded Private Insurance,” The
Journal of the American Medical Association 176 no. 10 (October 2016): 1501-1509,
http://jamanetwork.com/journals/jamainternalmedicine/article-abstract/2542420
115
Benjamin Sommers, Thomas Musco, Kenneth Finegold, Munira Gunja, Amy Burke, and Audrey
McDowell, “Health Reform and Changes in Health Insurance Coverage in 2014” The New England
Journal of Medicine 371 (August 2014): 867-874, http://www.nejm.org/doi/full/10.1056/NEJMsr1406753
116
Manatt Health, Medicaid Expansion: How It Affects Montana’s State Budget, Economy, and Residents
(Montana Healthcare Foundation, prepared by Manatt Health, June 2018), https://mthcf.org/wp-
content/uploads/2018/06/Manatt-MedEx_FINAL_6.1.18.pdf
117
The Ohio Department of Medicaid, 2018 Ohio Medicaid Group VIII Assessment: A Follow
Up to the
2016 Ohio Medicaid Group VIII Assessment, (The Ohio Department of Medicaid, August 2018),
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118
Arkansas Health Reform Legislative Task Force, Health Care Task Force Preliminary Report,
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119
Deloitte Development LLC, Commonwealth of Kentucky Medicaid Expansion Report, (Deloitte
Development LLC, February 2015), http://jointhehealthjourney.com/images/uploads/channel-
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120
Charles Courtemanche, James Marton, Benjamin Ukert, Aaron Yelowitz, and Daniela Zapata, Impacts
of the Affordable Care Act on Health Insurance Coverage in Medicaid Expansion and Non-Expansion
States (Working Paper No. 22182, The National Bureau of Economic Research, April 2016),
http://www.nber.org/papers/w22182
121
Amy Davidoff et al., “Changes in Health Insurance Coverage Associated With the Affordable Care Act
Among Adults With and Without a Cancer History: Population-based National Estimates,” Medical Care
56, no. 3 (March 2018), https://journals.lww.com/lww-
medicalcare/Abstract/2018/03000/Changes_in_Health_Insurance_Coverage_Associated.5.aspx
122
Joshua Clinton and Michael Sances, “The Politics of Policy: The Initial Mass Political Effects of
Medicaid Expansion in the States,” American Political Science Review 112, no. 1 (February 2018): 167-
185, https://www.cambridge.org/core/journals/american-political-science-review/article/politics-of-policy-
the-initial-mass-political-effects-of-medicaid-expansion-in-the-
states/246AA0F10B44EFD62A7B27C661730823
123
Manzilat Akande, Peter Minneci, Katherine Deans, Henry Xiang, Deena Chisolm, and Jennifer Cooper,
“Effects Of Medicaid Expansion On Disparities In Trauma Care And Outcomes In Young Adults,” Journal
of Surgical Research 228 (August 2018): 42-53,
https://www.sciencedirect.com/science/article/pii/S0022480418301562
124
Laura Wherry and Sarah Miller, “Early Coverage, Access, Utilization, and Health Effects Associated
with the Affordable Care Act Medicaid Expansions: A Quasi-experimental Study,” Annals of Internal
Medicine, Epub ahead of print (April 2016), http://annals.org/article.aspx?articleid=2513980
125
Benjamin Sommers, Rebecca Gourevitch, Bethany Maylone, Robert Blendon, and Arnold Epstein,
“Insurance Churning Rates for Low-Income Adults Under Health Reform: Lower Than Expected but Still
Harmful for Many,” Health Affairs 35 no. 10 (October 2016): 1816-1824,
http://content.healthaffairs.org/content/35/10/1816.full?sid=f4835910-ffd0-4864-a76a-b4f207ccd018
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126
Jessica Vistnes and Joel Cohen, “Duration of Uninsured Spells For Nonelderly Adults Declined After
2014,” Health Affairs 37, no. 6 (June 2018),
https://www.healthaffairs.org/doi/full/10.1377/hlthaff.2017.1638
127
Adele Shartzer, Frederic Blavin, and John Holohan, “Employer-Sponsored Insurance Stable For Low-
Income Workers In Medicaid Expansion States,” Health Affairs 37, no. 4 (April 2018),
https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.1205
128
Benjamin Sommers, Carrie Fry, Robert Blendon, and Arnold Epstein, “New Approaches in Medicaid:
Work Requirements, Health Savings Accounts, and Health Care Access,” Health Affairs 37, no. 7 (June
2018), https://www.healthaffairs.org/doi/pdf/10.1377/hlthaff.2018.0331
129
Pauline Leung and Alexandre Mas, Employment Effects of the ACA Medicaid Expansions (Working
Paper No. 22540, National Bureau of Economic Research, August 2016),
http://www.nber.org/papers/w22540
130
John Heintzman, Steffani Bailey, Jennifer DeVoe, Stuart Cowburn, Tanya Kapka, Truc-Vi Duong, and
Miguel Marino, “In Low-Income Latino Patients, Post-Affordable Care Act Insurance Disparities May Be
Reduced Even More than Broader National Estimates: Evidence from Oregon,” Journal of Racial and
Ethnic Health Disparities (April 2016), http://www.ncbi.nlm.nih.gov/pubmed/27105630
131
Susan Hayes, Pamela Riley, David Radley, and Douglas McCarthy, Reducing Racial and Ethnic
Disparities in Access to Care: Has the Affordable Care Act Made a Difference? (The Commonwealth
Fund, August 2017), http://www.commonwealthfund.org/publications/issue-briefs/2017/aug/racial-ethnic-
disparities-care
132
Sergio Gonzales and Benjamin Sommers, “Intra-Ethnic Coverage Disparities among Latinos and the
Effects of Health Reform” Health Services Research epub ahead of print (June 2017),
http://onlinelibrary.wiley.com/wol1/doi/10.1111/1475-6773.12733/full
133
Julia Foutz, Samantha Artiga, and Rachel Garfield, The Role of Medicaid in Rural America
(Washington, DC: Kaiser Family Foundation, April 2017), http://kff.org/medicaid/issue-brief/the-role-of-
medicaid-in-rural-america/
134
Charles Courtemanche, James Marton, Benjamin Ukert, Aaron Yelowitz, Daniela Zapata, Early Effects
of the Affordable Care Act on Health Care Access, Risky Health Behaviors, and Self-Assessed Health
(National Bureau of Economic Research, Working Paper no. 23269, March 2017),
http://www.nber.org/papers/w23269
135
Stacey McMorrow, Genevieve Kenney, Sharon Long, and Jason Gates, “Marketplaces Helped Drive
Coverage Gains in 2015; Affordability Problems Remained,” Health Affairs 35 no. 10 (October 2016):
1810-1815, http://content.healthaffairs.org/content/35/10/1810.full
136
Sharon Long, Michael Karpman, Adele Shartzer, Douglas Wissoker, Genevieve Kenney, Stephen
Zuckerman, Nathaniel Anderson, and Katherine Hempstead, Taking Stock: Health Insurance Coverage
under the ACA as of September 2014 (The Urban Institute, December 2014),
http://hrms.urban.org/briefs/Health-Insurance-Coverage-under-the-ACA-as-of-September-2014.html
137
Nicolas Ajkay et al, “Early Impact of Medicaid Expansion and Quality of Breast Cancer Care in
Kentucky,” Journal of the American College of Surgeons, epub ahead of print, February 2018,
https://www.sciencedirect.com/science/article/pii/S107275151830022X
138
Molly Frean, Jonathan Gruber, and Benjamin Sommers, Premium Subsidies, the Mandate, and
Medicaid Expansion: Coverage Effects of the Affordable Care Act (Working Paper No. 22213, National
Bureau of Economic Research, April 2016),
http://www.nber.org/papers/w22213?utm_campaign=ntw&utm_medium=email&utm_source=ntw
139
Dennis McCarty, Yifan Gu, John W. McIlveen, and Bonnie K. Lind, "Medicaid expansion and treatment
for opioid use disorders in Oregon: an interrupted time-series analysis,” Addiction Science & Clinical
Practice 14 (August 2019), https://doi.org/10.1186/s13722-019-0160-6
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140
Sarah H. Gordon, Benjamin D. Sommers, Ira B. Wilson, and Amal N. Trivedi, "Effects Of Medicaid
Expansion On Postpartum Coverage And Outpatient Utilization," Health Affairs 39, no. 1 (January 2020):
77-84, https://doi.org/10.1377/hlthaff.2019.00547
141
Helmneh M. Sineshaw et al., "Association of Medicaid Expansion Under the Affordable Care Act With
Stage at Diagnosis and Time to Treatment Initiation for Patients With Head and Neck Squamous Cell
Carcinoma," JAMA OtolaryngologyHead & Neck Surgery Epub ahead of print (January 2020),
https://doi.org/10.1001/jamaoto.2019.4310
142
Scott R. Sanders et al., "Infants Without Health Insurance: Racial/Ethnic and Rural/Urban Disparities in
Infant Households' Insurance Coverage," PLoS One 15, no. 1 (January 2020),
https://doi.org/10.1371/journal.pone.0222387
143
John J. Park et al., "Medicaid and Private Insurance Coverage for Low-Income Asian Americans,
Native Hawaiians, and Pacific Islanders, 2010-16," Health Affairs 38, no. 11 (November 2019): 1911-
1917, https://doi.org/10.1377/hlthaff.2019.00316
144
Kevin N. Griffith, "Changes in Insurance Coverage and Access to Care for Young Adults in 2017,"
Journal of Adolescent Health Epub ahead of print (July 2019),
https://doi.org/10.1016/j.jadohealth.2019.05.020
145
Jessica Sharac, Rachel Gunsalus, Chi Tran, Peter Shin, and Sara Rosenbaum, How are Migrant
Health Centers and their Patients Faring Under the Affordable Care Act? (Geiger Gibson/RCHN
Community Health Foundation Research Collaborative, The George Washington University Milken
Institute of Public Health, May 2016), http://www.rchnfoundation.org/wp-content/uploads/2016/05/Migrant-
Health-Centers-Patients-Under-Affordable-Care-Act.pdf
146
Thomas C. Buchmueller, Helen G. Levy, and Robert G. Valletta, Medicaid Expansion and the
Unemployed (National Bureau of Economic Research, Working Paper No. 26553, December 2019),
http://www.nber.org/papers/w26553
147
Kelsey L. Corrigan et al., "The Impact of the Patient Protection and Affordable Care Act on Insurance
Coverage and Cancer-Directed Treatment in HIV-Infected Patients With Cancer in the United States,"
Cancer (November 2019), https://doi.org/10.1002/cncr.32563
148
Jin Huang and Shirley L. Porterfield, "Changes in Health Insurance Coverage and Health Care Access
as Teens with Disabilities Transition to Adulthood," Disability and Health Journal 12, no. 4 (October
2019): 551-556, https://doi.org/10.1016/j.dhjo.2019.06.009
149
Jim P. Stimpson et al., "Association of Medicaid Expansion With Health Insurance Coverage Among
Persons With a Disability," JAMA Network Open 2, no. 7 (July 2019),
https://doi.org/10.1001/jamanetworkopen.2019.7136
150
Huabin Luo, Zhuo Chen, Lei Xu, and Ronny Bell, "Health Care Access and Receipt of Clinical
Diabetes Preventive Care for Working-Age Adults With Diabetes in States With and Without Medicaid
Expansion: Results from the 2013 and 2015 BRFSS," Journal of Public Health Management and Practice
25, no. 4 (July/August 2019): 34-43, https://doi.org/10.1097/phh.0000000000000832
151
Sarah Miller, Sean Altekruse, Norman Johnson, and Laura R. Wherry, Medicaid and Mortality: New
Evidence from Linked Survey and Administrative Data (National Bureau of Economic Research, Working
Paper No. 26081, July 2019), http://www.nber.org/papers/w26081
152
Sameed Ahmed Khatana et al., "Association of Medicaid Expansion With Cardiovascular Mortality,"
JAMA Cardiology 4, no. 7 (July 2019): 671-679, https://doi.org/10.1001/jamacardio.2019.1651
153
Mark Olfson, Melanie Wall, Colleen Barry, Christine Mauro, and Ramin Mojtabai, “Impact Of Medicaid
Expansion On Coverage And Treatment Of Low-Income Adults With Substance Use Disorders,” Health
Affairs 37 no. 8 (August 2018), https://www.healthaffairs.org/doi/10.1377/hlthaff.2018.0124
154
Carrie Fry and Benjamin Sommers, “Effect of Medicaid Expansion on Health Insurance Coverage and
Access to Care Among Adults With Depression,” Psychiatric Services 69, no. 11 (November 2018),
https://ps.psychiatryonline.org/doi/10.1176/appi.ps.201800181
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
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155
Jim Stimpson and Fernando Wilson, “Medicaid Expansion Improved Health Insurance Coverage For
Immigrants, But Disparities Persist,” Health Affairs 37, no. 10 (October 2018),
https://www.healthaffairs.org/doi/full/10.1377/hlthaff.2018.0181
156
Amy Davidoff et al., “Changes in Health Insurance Coverage Associated With the Affordable Care Act
Among Adults With and Without a Cancer History: Population-based National Estimates,” Medical Care
56, no. 3 (March 2018), https://journals.lww.com/lww-
medicalcare/Abstract/2018/03000/Changes_in_Health_Insurance_Coverage_Associated.5.aspx
157
Xuesong Han et al., "Changes in Noninsurance and Care Unaffordability Among Cancer Survivors
Following the Affordable Care Act," Journal of the National Cancer Institute Epub ahead of print
(November 2019), https://doi.org/10.1093/jnci/djz218
158
Xuesong Han, Robin Yabroff, Elizabeth Ward, Otis Brawley, and Ahmedin Jemal, “Comparison of
Insurance Status and Diagnosis Stage Among Patients With Newly Diagnosed Cancer Before vs After
Implementation of the Patient Protection and Affordable Care Act,” JAMA Oncology 4, no. 12 (August
2018): 1713-1720, https://jamanetwork.com/journals/jamaoncology/article-abstract/2697226
159
Michael Cohen and William Schpero, “Household Immigration Status Had Differential Impact On
Medicaid Enrollment In Expansion And Nonexpansion States,” Health Affairs 37, no. 3 (March 2018),
https://www.healthaffairs.org/doi/pdf/10.1377/hlthaff.2017.0978
160
Tyler Winkelman, Edith Kieffer, Susan Goold, Jeffrey Morenoff, Kristen Cross, and John Ayanian,
“Health Insurance Trends and Access to Behavioral Health Care Among Justice-Involved Individuals,”
Journal of General Internal Medicine 31, no. 12 (December 2016): 1523-1529,
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Ausmita Ghosh, Kosali Simon, and Benjamin Sommers, “The Effect of Health Insurance on
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Alana Sharp, Austin Jones, Jennifer Sherwood, Oksana Kutsa, Brian Honermann, and Gregorio
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Angelica Meinhofer and Allison Witman, “The Role Of Health Insurance On Treatment For Opioid Use
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Michael Hendryx and Juhua Luo, “Increased Cancer Screening for Low-income Adults Under the
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Xuesong Han, Robin Yabroff, Elizabeth Ward, Otis Brawley, and Ahmedin Jemal, “Comparison of
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Benjamin Cher, Nancy Morden, and Ellen Meara, “Medicaid Expansion and Prescription Trends:
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Nicolas Ajkay et al, “Early Impact of Medicaid Expansion and Quality of Breast Cancer Care in
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Aparna Soni, Kosali Simon, John Cawley, and Lindsay Sabik, “Effect of Medicaid Expansions of 2014
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Tyler Winkelman and Virginia Chang, “Medicaid Expansion, Mental Health, and Access to Care
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Astha Singhal, Peter Damiano, and Lindsay Sabik, “Medicaid Adult Dental Benefits Increase Use Of
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Kosali Simon, Aparna Soni, and John Cawley, “The Impact of Health Insurance on Preventive Care
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Harvey Kaufman, Zhen Chen, Vivian Fonseca, and Michael McPhaul, “Surge in Newly Identified
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Aparna Soni, Kosali Simon, John Cawley, and Lindsay Sabik, “Effect of Medicaid Expansions of 2014
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Helmneh M. Sineshaw et al., "Association of Medicaid Expansion Under the Affordable Care Act With
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Nicolas Ajkay et al, “Early Impact of Medicaid Expansion and Quality of Breast Cancer Care in
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428
Xuesong Han, Robin Yabroff, Elizabeth Ward, Otis Brawley, and Ahmedin Jemal, “Comparison of
Insurance Status and Diagnosis Stage Among Patients With Newly Diagnosed Cancer Before vs After
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429
Jose Mesquita-Neto, Peter Cmorej, Hassan Mouzaihem, Donald Weaver, Steve Kim, and Francis
Macedo, “Disparities In Access To Cancer Surgery After Medicaid Expansion,” The American Journal of
Surgery epub ahead of print (June 2019),
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430
Tong Gan et al., “Impact of the Affordable Care Act on Colorectal Cancer Screening, Incidence, and
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472
Alana Sharp, Austin Jones, Jennifer Sherwood, Oksana Kutsa, Brian Honermann, and Gregorio
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473
Benjamin Cher, Nancy Morden, and Ellen Meara, “Medicaid Expansion and Prescription Trends:
Opioids, Addiction Therapies, and Other Drugs,” Medical Care 57, no. 3 (March 2019): 208-212,
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medicalcare/fulltext/2019/03000/Medicaid_Expansion_and_Prescription_Trends_.6.aspx
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474
Brendan Saloner, Jonathan Levin, Hsien-Yen Chang, Christopher Jones, and G. Caleb Alexander,
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475
Lisa Clemans-Cope, Marni Epstein, Victoria Lynch, and Emma Winiski, Rapid Growth in Medicaid
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Angelica Meinhofer and Allison Witman, “The Role Of Health Insurance On Treatment For Opioid Use
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478
Johanna Maclean and Brendan Saloner, “The Effect of Public Insurance Expansions on Substance
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479
Hefei Wen, Jason Hockenberry, Tyrone Borders, and Benjamin Druss, “Impact of Medicaid Expansion
on Medicaid-covered Utilization of Buprenorphine for Opioid Use Disorder Treatment,” Medical Care 55
no. 4 (April 2017): 336-341, http://journals.lww.com/lww-
medicalcare/Fulltext/2017/04000/Impact_of_Medicaid_Expansion_on_Medicaid_covered.5.aspx
480
Brendan Saloner, Rachel Landis, Bradley Stein, and Colleen Barry, “The Affordable Care Act in the
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481
Emanuel Eguia et al., Impact of the Affordable Care Act (ACA) Medicaid Expansion on Cancer
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Hawazin W. Elani, Ichiro Kawachi, and Benjamin D. Sommers, "Changes in Emergency Department
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Craig Garthwaite et al., All Medicaid Expansions Are Not Created Equal: The Geography and
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Heather Holderness et al., "Where Do Oregon Medicaid Enrollees Seek Outpatient Care Post-
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Aabha Sharma, Scott Dresden, Emilie Powell, Raymond Kang, Joe Feinglass, “Emergency
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Jesse M. Pines, Mark Zocchi, Ali Moghtaderi, Bernard Black, Steven A. Farmer, Greg Hufstetler, Kevin
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Benjamin Sommers, Bethany Maylone, Robert Blendon, E. John Orav, and Arnold Epstein, “Three-
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Daniel Gingold, Rachelle Pierre-Mathieu, Brandon Cole, Andrew Miller, and Joneigh Khaldun, “Impact
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Paul Jacobs, Genevieve Kenney, and Thomas Selden, “Newly Eligible Enrollees In Medicaid Spend
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Charles A. Daly et al., "The Effects of Medicaid Expansion on Triage and Regional Transfer After
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Craig Garthwaite et al., All Medicaid Expansions Are Not Created Equal: The Geography and
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Natalia Chalmers, Jane Grover, and Rob Compton, “After Medicaid Expansion in Kentucky, Use of
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Benjamin Sommers, Carrie Fry, Robert Blendon, and Arnold Epstein, “New Approaches in Medicaid:
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Helmneh M. Sineshaw et al., "Association of Medicaid Expansion Under the Affordable Care Act With
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Emanuel Eguia et al., "The Impact of the Affordable Care Act Medicaid Expansion on Vascular
Surgery," Annals of Vascular Surgery Epub ahead of print (January 2020),
https://doi.org/10.1016/j.avsg.2020.01.006
521
Jesse C. Baumgartner, Sara R. Collins, David C. Radley, and Susan L. Hayes, How the Affordable
Care Act Has Narrowed Racial and Ethnic Disparities in Access to Health Care (The Commonwealth
Fund, January 2020), https://www.commonwealthfund.org/publications/2020/jan/how-ACA-narrowed-
racial-ethnic-disparities-access
522
Dennis McCarty, Yifan Gu, John W. McIlveen, and Bonnie K. Lind, "Medicaid Expansion and
Treatment for Opioid Use Disorders in Oregon: An Interrupted Time-Series Analysis," Addiction Science
& Clinical Practice 14 (August 2019), https://doi.org/10.1186/s13722-019-0160-6
523
Anna L. Goldman and Benjamin D. Sommers, "Among Low-Income Adults Enrolled In Medicaid,
Churning Decreased After The Affordable Care Act," Health Affairs 39, no. 1 (January 2020): 85-93,
https://doi.org/10.1377/hlthaff.2019.00378
524
Emanuel Eguia et al., "The Impact of the Affordable Care Act (ACA) Medicaid Expansion on Access to
Minimally Invasive Surgical Care," The American Journal of Surgery Epub ahead of print (July 2019),
https://doi.org/10.1016/j.amjsurg.2019.07.003
525
Afshin Ehsan et al., "Utilization of Left Ventricular Assist Devices in Vulnerable Adults Across Medicaid
Expansion," Journal of Surgical Research 243 (November 2019): 503-508,
https://doi.org/10.1016/j.jss.2019.05.015
526
Kevin N. Griffith, "Changes in Insurance Coverage and Access to Care for Young Adults in 2017,"
Journal of Adolescent Health Epub ahead of print (July 2019),
https://doi.org/10.1016/j.jadohealth.2019.05.020
527
Jin Huang and Shirley L. Porterfield, "Changes in Health Insurance Coverage and Health Care Access
as Teens with Disabilities Transition to Adulthood," Disability and Health Journal 12, no. 4 (October
2019): 551-556, https://doi.org/10.1016/j.dhjo.2019.06.009
528
Kelsie M. Gould et al., "Bariatric Surgery Among Vulnerable Populations: The Effect of the Affordable
Care Act's Medicaid Expansion," Surgery 166, no. 5 (November 2019): 820-828,
https://doi.org/10.1016/j.surg.2019.05.005
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
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529
Michael McCue, “The Impact of Medicaid Expansion on Medicaid Focused Insurers in California,”
Inquiry: The Journal of Health Care Organization, Provision, and Financing 52 (July 2015),
http://inq.sagepub.com/content/52/0046958015595960.full.pdf+html
530
Thomas C. Buchmueller, Helen G. Levy, and Robert G. Valletta, Medicaid Expansion and the
Unemployed (National Bureau of Economic Research, Working Paper No. 26553, December 2019),
http://www.nber.org/papers/w26553
531
Jacqueline Fiore, The Impact of the Affordable Care Act’s Medicaid Expansion on Medicaid Spending
by Health Care Service Category (Tulane University, July 2017),
http://econ.tulane.edu/RePEc/pdf/tul1706.pdf
532
Emily Johnston, Andrea Strahan, Peter Joski, Anne Dunlop, and E. Kathleen Adams, “Impacts of the
Affordable Care Act’s Medicaid Expansion on Women of Reproductive Age,” Women’s Health Issues, 28,
no. 2 (February 2018), http://www.whijournal.com/article/S1049-3867(17)30242-6/pdf
533
Claire E. Margerison et al., "Impacts of Medicaid Expansion on Health Among Women of Reproductive
Age," American Journal of Preventive Medicine Epub ahead of print (November 2019),
https://doi.org/10.1016/j.amepre.2019.08.019
534
Elham Mahmoudi, Alicia Cohen, Jason Buxbaum, Caroline Richardson, and Wassim Tarraf, “Gaining
Medicaid Coverage During ACA Implementation: Effects on Access to Care and Preventive Services,”
Journal of Health Care for the Poor and Underserved 29, no. 4 (November 2018): 1472-1487,
https://muse.jhu.edu/article/708253
535
Stacey McMorrow, Jason Gates, Sharon Long, and Genevieve Kenney, “Medicaid Expansion
Increased Coverage, Improved Affordability, and Reduced Psychological Distress for Low-Income
Parents,” Health Affairs 36 no. 5 (May 2017): 808-818,
https://www.healthaffairs.org/doi/10.1377/hlthaff.2016.1650
536
Haley Moss, Laura Havrilesky, and Junzo Chino, “Insurance Coverage Among Women Diagnosed
with a Gynecologic Malignancy Before and After Implementation of the Affordable Care Act,” Gynecologic
Oncology 146, no. 3 (September 2017), https://www.ncbi.nlm.nih.gov/pubmed/28641821
537
Susannah Gibbs et al., "Evaluating the Effect of Medicaid Expansion on Access to Preventive
Reproductive Care for Women in Oregon," Preventive Medicine Epub ahead of print (November 2019),
https://doi.org/10.1016/j.ypmed.2019.105899
538
Nadia Laniado, Avery R. Brow, Eric Tranby, and Victor M. Badner, "Trends in Non-Traumatic Dental
Emergency Department Use in New York and New Jersey: A Look at Medicaid Expansion from Both
Sides of the Hudson River," Journal of Public Health Dentistry Epub ahead of print (October 2019),
https://doi.org/10.1111/jphd.12343
539
Thomas Selden, Brandy Lipton, and Sandra Decker, “Medicaid Expansion and Marketplace Eligibility
Both Increased Coverage, With Trade-Offs in Access, Affordability,” Health Affairs 36 no. 12 (December
2017), https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0830
540
Dahai Yue, Petra Rasmussen, and Ninez Ponce, “Racial/Ethnic Differential Effects of Medicaid
Expansion on Health Care Access,” Health Services Research (February 2018),
http://onlinelibrary.wiley.com/doi/10.1111/1475-6773.12834/abstract
541
Mark Clapp et al., "Association of Medicaid Expansion With Coverage and Access to Care for
Pregnant Women," Obstetrics & Gynecology 134, no. 5 (November 2019): 1066-1074,
https://doi.org/10.1097/aog.0000000000003501
542
Charles A. Daly et al., "The Effects of Medicaid Expansion on Triage and Regional Transfer After
Upper-Extremity Trauma," The Journal of Hand Surgery 44, no. 9 (September 2019): 720-727,
https://doi.org/10.1016/j.jhsa.2019.05.020
543
Yunwei Gai and John Marthinsen, "Medicaid Expansion, HIV Testing, and HIV-Related Risk Behaviors
in the United States, 2010-2017," American Journal of Public Health 109, no. 10 (October 2019): 1404-
1412, https://doi.org/10.2105/ajph.2019.305220
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
60
544
Huabin Luo, Zhuo Chen, Lei Xu, and Ronny Bell, "Health Care Access and Receipt of Clinical
Diabetes Preventive Care for Working-Age Adults With Diabetes in States With and Without Medicaid
Expansion: Results from the 2013 and 2015 BRFSS," Journal of Public Health Management and Practice
25, no. 4 (July/August 2019): 34-43, https://doi.org/10.1097/phh.0000000000000832
545
A. Taylor Kelley, Renuka Tipirneni, and Helen Levy, "Changes in Veterans' Coverage and Access to
Care Following the Affordable Care Act, 2011-2017," American Journal of Public Health 109, no. 9
(September 2019): 1233-1235, https://doi.org/10.2105/ajph.2019.305160
546
J. Travis Donahoe et al., "The Affordable Care Act Medicaid Expansion and Smoking Cessation
Among Low-Income Smokers," American Journal of Preventive Medicine 57, no. 6 (December 2019):
203-210, https://doi.org/10.1016/j.amepre.2019.07.004
547
Hiroshi Gotanda, Gerald Kominski, and Yusuke Tsugawa, "Association Between the ACA Medicaid
Expansions and Primary Care and Emergency Department Use During the First 3 Years," Journal of
General Internal Medicine Epub ahead of print (December 2019), https://doi.org/10.1007/s11606-019-
05458-w
548
Evan M. Chen et al., "Association of the Affordable Care Act Medicaid Expansion with Dilated Eye
Examinations among the United States Population with Diabetes," Ophthalmology Epub ahead of print
(September 2019), https://doi.org/10.1016/j.ophtha.2019.09.010
549
Mark L. Diana et al., Louisiana Medicaid Expansion and Access to Care (Louisiana Department of
Health, Prepared by Tulane University, July 2019),
http://ldh.la.gov/assets/media/AccesstoCareReport20132018final.pdf
550
Ann-Marie Rosland et al., "Diagnosis and Care of Chronic Health Conditions Among Medicaid
Expansion Enrollees: a Mixed-Methods Observational Study," Journal of General Internal Medicine 34,
no. 11 (November 2019): 2549-2558, https://doi.org/10.1007/s11606-019-05323-w
551
Chelsea L. Shover et al., "The Relationship of Medicaid Expansion to Psychiatric Comorbidity Care
within Substance Use Disorder Treatment Programs," Journal of Substance Abuse Treatment 105
(October 2019): 44-50, https://doi.org/10.1016/j.jsat.2019.07.012
552
Sarah Miller and Laura Wherry, “Health and Access to Care During the First 2 Years of the ACA
Medicaid Expansions,” The New England Journal of Medicine 376 no. 10 (March 2017),
http://www.nejm.org/doi/full/10.1056/NEJMsa1612890
553
Laura Wherry and Sarah Miller, “Early Coverage, Access, Utilization, and Health Effects Associated
with the Affordable Care Act Medicaid Expansions: A Quasi-experimental Study,” Annals of Internal
Medicine, Epub ahead of print (April 2016), http://annals.org/article.aspx?articleid=2513980
554
Adele Shartzer, Sharon Long, and Nathaniel Anderson, “Access To Care and Affordability have
Improved Following Affordable Care Act Implementation; Problems Remain,Health Affairs (December
2015), http://content.healthaffairs.org/content/early/2015/12/14/hlthaff.2015.0755.full
555
Benjamin Sommers, Robert Blendon, and E. John Orav, “Both the ‘Private Option’ And Traditional
Medicaid Expansions Improved Access To Care For Low-Income Adults,” Health Affairs 35, no. 1
(January 2016): 96-105, http://content.healthaffairs.org/content/35/1/96.abstract
556
Mark Olfson, Melanie Wall, Colleen Barry, Christine Mauro, and Ramin Mojtabai, “Impact Of Medicaid
Expansion On Coverage And Treatment Of Low-Income Adults With Substance Use Disorders,” Health
Affairs 37, no. 8 (August 2018), https://www.healthaffairs.org/doi/10.1377/hlthaff.2018.0124
557
Abeer Alharbi, M. Mahmud Khan, Ronnie Horner, Heather Brandt, and Cole Chapman, “Impact Of
Medicaid Coverage Expansion Under The Affordable Care Act On Mammography And Pap Tests
Utilization Among Low-Income Women,” PLOS One (April 2019),
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0214886
558
Jevay Grooms and Alberto Ortega, “Examining Medicaid Expansion and the Treatment of Substance
Use Disorders,” American Economic Association Papers and Proceedings 109 (May 2019): 187-192,
https://www.aeaweb.org/articles?id=10.1257/pandp.20191090
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
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559
Nathalie Huguet et al., “Cervical And Colorectal Cancer Screening Prevalence Before And After
Affordable Care Act Medicaid Expansion,” Preventative Medicine (May 2019),
https://doi.org/10.1016/j.ypmed.2019.05.003
560
John Cawley, Aparna Soni, and Kosali Simon, “Third Year of Survey Data Shows Continuing Benefits
of Medicaid Expansions for Low-Income Childless Adults in the U.S.,” Journal of General Internal
Medicine 33, no. 9 (September 2018): 1495-1497, https://link.springer.com/article/10.1007%2Fs11606-
018-4537-0
561
Kosali Simon, Aparna Soni, and John Cawley, “The Impact of Health Insurance on Preventive Care
and Health Behaviors: Evidence from the First Two Years of the ACA Medicaid Expansions” Journal of
Policy Analysis and Management 36, no. 2 (March 2017),
https://onlinelibrary.wiley.com/doi/abs/10.1002/pam.21972
562
Yasmin Zerhouni et al., “Effect of Medicaid Expansion on Colorectal Cancer Screening Rates,”
Diseases of the Colon & Rectum 62, no. 1 (January 2019): 97-103,
https://journals.lww.com/dcrjournal/Abstract/2019/01000/Effect_of_Medicaid_Expansion_on_Colorectal_
Cancer.16.aspx
563
Carrie Fry and Benjamin Sommers, “Effect of Medicaid Expansion on Health Insurance Coverage and
Access to Care Among Adults With Depression,” Psychiatric Services 69, no. 11 (November 2018),
https://ps.psychiatryonline.org/doi/10.1176/appi.ps.201800181
564
Xuesong Han, Robin Yabroff, Elizabeth Ward, Otis Brawley, and Ahmedin Jemal, “Comparison of
Insurance Status and Diagnosis Stage Among Patients With Newly Diagnosed Cancer Before vs After
Implementation of the Patient Protection and Affordable Care Act,” JAMA Oncology 4, no. 12 (August
2018): 1713-1720, https://jamanetwork.com/journals/jamaoncology/article-abstract/2697226
565
Michael Hendryx and Juhua Luo, “Increased Cancer Screening for Low-income Adults Under the
Affordable Care Act Medicaid Expansion,” Medical Care 56, no. 11 (November 2018): 944-949,
https://www.ingentaconnect.com/content/wk/mcar/2018/00000056/00000011/art00009
566
Brandy Lipton, Sandra Decker, and Benjamin Sommers, “The Affordable Care Act Appears to Have
Narrowed Racial and Ethnic Disparities in Insurance Coverage and Access to Care Among Young Adults”
Medical Care Research and Review 76, no.1 (April 2017): 3255,
https://www.ncbi.nlm.nih.gov/pubmed/29148341
567
Stacey Fedewa, K. Robin Yabroff, Robert Smith, Ann Goding Sauer, Xuesong Han, and Ahmedin
Jemal, “Changes in Breast and Colorectal Cancer Screening After Medicaid Expansion Under the
Affordable Care Act,” American Journal of Preventive Medicine epub ahead of print (May 2019),
https://www.sciencedirect.com/science/article/pii/S0749379719301163
568
Tong Gan et al., “Impact of the Affordable Care Act on Colorectal Cancer Screening, Incidence, and
Survival in Kentucky,” Journal of the American College of Surgeons 228, no. 4 (April 2019): 342-353.e1,
https://www.journalacs.org/article/S1072-7515(19)30046-8/fulltext
569
Dmitry Tumin et al., “Medicaid Participation among Liver Transplant Candidates after the Affordable
Care Act Medicaid Expansion” Journal of the American College of Surgeons 225, no. 2 (August 2017):
173-180.e2, https://www.journalacs.org/article/S1072-7515(17)30454-4/fulltext
570
Christina Andrews et al., “Medicaid Coverage In Substance Use Disorder Treatment After The
Affordable Care Act,” Journal of Substance Abuse Treatment epub ahead of print (April 2019),
https://www.sciencedirect.com/science/article/pii/S0740547218305750
571
Manzilat Akande, Peter Minneci, Katherine Deans, Henry Xiang, Deena Chisolm, and Jennifer Cooper,
“Effects Of Medicaid Expansion On Disparities In Trauma Care And Outcomes In Young Adults,” Journal
of Surgical Research 228 (August 2018): 42-53,
https://www.sciencedirect.com/science/article/pii/S0022480418301562
572
Shiho Kino and Ichiro Kawachi, “The Impact Of ACA Medicaid Expansion On Socioeconomic
Inequality In Health Care Services Utilization,” PLoS ONE 13, no. 2 (December 2018),
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0209935
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
62
573
James McDermott et al., “Affordable Care Act's Medicaid Expansion and Use of Regionalized Surgery
at High-Volume Hospitals,” Journal of the American College of Surgeons 227, no. 5 (November 2018):
507-520.e9, https://www.journalacs.org/article/S1072-7515(18)31993-8/abstract
574
Andrew Crocker et al., “Expansion Coverage And Preferential Utilization Of Cancer Surgery Among
Racial And Ethnic Minorities And Low-Income Groups,” Surgery epub ahead of print (June 2019),
https://www.surgjournal.com/article/S0039-6060(19)30198-9/fulltext
575
Emanuel Eguia et al., "The Impact of the Affordable Care Act (ACA) Medicaid Expansion on Access to
Minimally Invasive Surgical Care," The American Journal of Surgery Epub ahead of print (July 2019),
https://doi.org/10.1016/j.amjsurg.2019.07.003
576
Taressa K. Fraze et al., "Prevalence of Screening for Food Insecurity, Housing Instability, Utility
Needs, Transportation Needs, and Interpersonal Violence by US Physician Practices and Hospitals,"
JAMA Network Open 2, no. 9 (September 2019), https://doi.org/10.1001/jamanetworkopen.2019.11514
577
Kelsey L. Corrigan et al., "The Impact of the Patient Protection and Affordable Care Act on Insurance
Coverage and Cancer-Directed Treatment in HIV-Infected Patients With Cancer in the United States,"
Cancer (November 2019), https://doi.org/10.1002/cncr.32563
578
Andrew Loehrer et al., “Association of the Affordable Care Act Medicaid Expansion with Access to and
Quality of Care for Surgical Conditions,” Journal of the American Medical Association Surgery, epub
ahead of print (January 2018), https://jamanetwork.com/journals/jamasurgery/article-
abstract/2670459?redirect=true
579
Megan Cole, Omar Galarraga, Ira Wilson, Brad Wright, and Amal Trivedi, “At Federally Funded Health
Centers, Medicaid Expansion was Associated with Improved Quality of Care,” Health Affairs 36 no. 1
(January 2017): 40-48, http://content.healthaffairs.org/content/36/1/40.full?sid=a3089120-6f4b-428b-
bba8-5f005b444e19
580
Megan Cole, Brad Wright, Ira Wilson, Omar Gallarraga, and Amal Trivedi, “Medicaid Expansion And
Community Health Centers: Care Quality And Service Use Increased For Rural Patients” Health Affairs
37, no. 6 (June 2018), https://www.healthaffairs.org/doi/pdf/10.1377/hlthaff.2017.1542
581
Benjamin Sommers, Robert Blendon, E. John Orav, and Arnold Epstein, “Changes in Utilization and
Health Among Low-Income Adults After Medicaid Expansion or Expanded Private Insurance,” The
Journal of the American Medical Association 176 no. 10 (October 2016): 1501-1509,
http://jamanetwork.com/journals/jamainternalmedicine/article-abstract/2542420
582
Benjamin Sommers, Bethany Maylone, Robert Blendon, E. John Orav, and Arnold Epstein, “Three-
Year Impacts of the Affordable Care Act: Improved Medical Care and Health Among Low-Income Adults,”
Health Affairs epub ahead of print (May 2017),
http://content.healthaffairs.org/content/early/2017/05/15/hlthaff.2017.0293
583
Hefei Wen, Kenton J. Johnston, Lindsay Allen, and Teresa M. Waters, "Medicaid Expansion
Associated With Reductions In Preventable Hospitalizations," Health Affairs 38, no. 11 (November 2019):
1845-1849, https://doi.org/10.1377/hlthaff.2019.00483
584
Mohammad Eslami et al., "Impact of Medicaid Expansion of the Affordable Care on the Outcomes of
Lower Extremity Bypass for Patients With Peripheral Artery Disease in the Vascular Quality Initiative
Database," Annals of Surgery 270, no. 4 (October 2019): 647-655,
https://doi.org/10.1097/sla.0000000000003521
585
John Scott et al., "Lifting the Burden: State Medicaid Expansion Reduces Financial Risk for the
Injured," Journal of Trauma and Acute Care Surgery Epub ahead of print (September 2019),
https://doi.org/10.1097/ta.0000000000002493
586
Gary Pickens et al., “Changes in Hospital Inpatient Utilization Following Health Care Reform,” Health
Services Research epub ahead of print (June 2017), https://www.ncbi.nlm.nih.gov/pubmed/28664983
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
63
587
Jeremy Holzmacher et al., “Association of Expanded Medicaid Coverage with Hospital Length of Stay
After Injury,” JAMA Surgery published online (June 2017),
https://www.ncbi.nlm.nih.gov/pubmed/28658482
588
Andrew Admon, Thomas Valley, John Ayanian, Theodore Iwashyna, Colin Cooke, and Renuka
Tipirneni, “Trends in Hospital Utilization After Medicaid Expansion,” Medical Care 57, no. 4 (April 2019):
312-317, https://journals.lww.com/lww-
medicalcare/Abstract/publishahead/Brief_Report__Trends_in_Hospital_Utilization_After.98489.aspx
589
Cheryl Zogg et al., “Association of Medicaid Expansion With Access to Rehabilitative Care in Adult
Trauma Patients,” JAMA Surgery epub ahead of print (January 2019),
https://jamanetwork.com/journals/jamasurgery/article-
abstract/2719270?utm_campaign=articlePDF&utm_medium=articlePDFlink&utm_source=articlePDF&utm
_content=jamasurg.2018.5177
590
Andrew Admon, Michael Sjoding, Sarah Lyon, John Ayanian, Theodore Iwashyna, and Colin Cooke,
“Medicaid Expansion and Mechanical Ventilation in Asthma, Chronic Obstructive Pulmonary Disease, and
Heart Failure,” Annals of the American Thoracic Society epub ahead of print (February 2019),
https://www.atsjournals.org/doi/pdf/10.1513/AnnalsATS.201811-777OC
591
Neal Bhutiani, Brian Harbrecht, Charles Scoggins, and Matthew Bozeman, “Evaluating The Early
Impact Of Medicaid Expansion On Trends In Diagnosis And Treatment Of Benign Gallbladder Disease In
Kentucky,” The American Journal of Surgery (January 2019),
https://www.americanjournalofsurgery.com/article/S0002-9610(18)30894-8/fulltext
592
Manzilat Akande Peter Minneci, Katherine Deans, Henry Xiang, and Jennifer Cooper, “Association of
Medicaid Expansion Under the Affordable Care Act With Outcomes and Access to Rehabilitation in
Young Adult Trauma Patients,” JAMA Surgery 153, no. 8 (August 2018),
https://jamanetwork.com/journals/jamasurgery/article-
abstract/2682872?widget=personalizedcontent&previousarticle=2719270
593
Manzilat Akande, Peter Minneci, Katherine Deans, Henry Xiang, Deena Chisolm, and Jennifer Cooper,
“Effects Of Medicaid Expansion On Disparities In Trauma Care And Outcomes In Young Adults,” Journal
of Surgical Research 228 (August 2018): 42-53,
https://www.sciencedirect.com/science/article/pii/S0022480418301562
594
Ramiro Manzano-Nunez et al., “Association of Medicaid Expansion Policy with Outcomes in Homeless
Patients Requiring Emergency General Surgery,” World Journal of Surgery 43, no. 6 (June 2019): 1483-
1489, https://link.springer.com/article/10.1007/s00268-019-04932-0
595
De-Chih Lee, Leiyu Shi, and Hailun Liang, “Primary Care Utilization And Clinical Quality Performance:
A Comparison Between Health Centres In Medicaid Expansion States And Non-Expansion States,”
Journal of Health Services Research & Policy 24, no. 1 (January 2019): 19-24,
https://journals.sagepub.com/doi/abs/10.1177/1355819618788592
596
Jusung Lee et al., "The Impact of Medicaid Expansion on Diabetes Management," Diabetes Care
Epub ahead of print (October 2019), https://doi.org/10.2337/dc19-1173
597
John A. Graves et al., "Medicaid Expansion Slowed Rates of Health Decline for Low-Income Adults in
Southern States," Health Affairs 39, no. 1 (January 2020): 67-76,
https://doi.org/10.1377/hlthaff.2019.00929
598
Renuka Tipirneni et al., "Association of Expanded Medicaid Coverage With Health and Job-Related
Outcomes Among Enrollees With Behavioral Health Disorders," Psychiatric Services Epub ahead of print
(September 2019), https://doi.org/10.1176/appi.ps.201900179
599
Susan Dorr Goold et al., "Primary Care, Health Promotion, and Disease Prevention with Michigan
Medicaid Expansion," Journal of General Internal Medicine Epub ahead of print (December 2019),
https://doi.org/10.1007/s11606-019-05370-3
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
64
600
Ann-Marie Rosland et al., "Diagnosis and Care of Chronic Health Conditions Among Medicaid
Expansion Enrollees: a Mixed-Methods Observational Study," Journal of General Internal Medicine 34,
no. 11 (November 2019): 2549-2558, https://doi.org/10.1007/s11606-019-05323-w
601
Claire E. Margerison et al., "Impacts of Medicaid Expansion on Health Among Women of Reproductive
Age," American Journal of Preventive Medicine Epub ahead of print (November 2019),
https://doi.org/10.1016/j.amepre.2019.08.019
602
Renuka Tipirneni et al., “Changes in Health and Ability to Work Among Medicaid Expansion Enrollees:
a Mixed Methods Study,” Journal of General Internal Medicine 34, no. 2 (February 2019): 272-280,
https://link.springer.com/article/10.1007/s11606-018-4736-8
603
Hyunjung Lee and Frank Porell, “The Effect of the Affordable Care Act Medicaid Expansion on
Disparities in Access to Care and Health Status,” Medical Care Research and Review epub ahead of print
(October 2018),
https://journals.sagepub.com/doi/abs/10.1177/1077558718808709?rfr_dat=cr_pub%3Dpubmed&url_ver=
Z39.88-2003&rfr_id=ori%3Arid%3Acrossref.org&journalCode=mcrd
604
Benjamin Sommers, Bethany Maylone, Robert Blendon, E. John Orav, and Arnold Epstein, “Three-
Year Impacts of the Affordable Care Act: Improved Medical Care and Health Among Low-Income Adults,”
Health Affairs epub ahead of print (May 2017),
http://content.healthaffairs.org/content/early/2017/05/15/hlthaff.2017.0293
605
Benjamin Sommers, Robert Blendon, E. John Orav, and Arnold Epstein, “Changes in Utilization and
Health Among Low-Income Adults After Medicaid Expansion or Expanded Private Insurance,” The
Journal of the American Medical Association 176 no. 10 (October 2016): 1501-1509,
http://jamanetwork.com/journals/jamainternalmedicine/article-abstract/2542420
606
Stacey McMorrow, Jason Gates, Sharon Long, and Genevieve Kenney, “Medicaid Expansion
Increased Coverage, Improved Affordability, and Reduced Psychological Distress for Low-Income
Parents,” Health Affairs 36 no. 5 (May 2017): 808-818,
https://www.healthaffairs.org/doi/10.1377/hlthaff.2016.1650
607
John Cawley, Aparna Soni, and Kosali Simon, “Third Year of Survey Data Shows Continuing Benefits
of Medicaid Expansions for Low-Income Childless Adults in the U.S.,” Journal of General Internal
Medicine 33, no. 9 (September 2018): 1495-1497, https://link.springer.com/article/10.1007%2Fs11606-
018-4537-0
608
Barbara DiPietro, Samantha Artiga, and Alexandra Gates, Early Impacts of the Medicaid Expansion for
the Homeless Population (Washington, DC: Kaiser Commission on Medicaid and the Uninsured,
November 2014), http://kff.org/uninsured/issue-brief/early-impacts-of-the-medicaid-expansion-for-the-
homeless-population/
609
Kosali Simon, Aparna Soni, and John Cawley, “The Impact of Health Insurance on Preventive Care
and Health Behaviors: Evidence from the First Two Years of the ACA Medicaid Expansions” Journal of
Policy Analysis and Management 36, no. 2 (March 2017),
https://onlinelibrary.wiley.com/doi/abs/10.1002/pam.21972
610
Tyler Winkelman and Virginia Chang, “Medicaid Expansion, Mental Health, and Access to Care
Among Childless Adults With and Without Chronic Conditions,” Journal of General Internal Medicine epub
ahead of print (November 2017), https://www.ncbi.nlm.nih.gov/pubmed/29181792
611
The Ohio Department of Medicaid, 2018 Ohio Medicaid Group VIII Assessment: A Follow
Up to the
2016 Ohio Medicaid Group VIII Assessment, (The Ohio Department of Medicaid, August 2018),
https://medicaid.ohio.gov/Portals/0/Resources/Reports/Annual/Group-VIII-Final-Report.pdf
612
Susan Dorr Goold et al., “Primary Care Clinicians’ Views About the Impact of Medicaid Expansion in
Michigan: A Mixed Methods Study,” Journal of General Internal Medicine 33, no. 8 (June 2018): 1307-
1316, https://link.springer.com/article/10.1007/s11606-018-4487-6
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Tong Gan et al., “Impact of the Affordable Care Act on Colorectal Cancer Screening, Incidence, and
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Eric Charles et al., “Impact of Medicaid Expansion on Cardiac Surgery Volume and Outcomes,” The
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Cheryl Zogg et al., “Impact of Affordable Care Act Insurance Expansion on Pre-Hospital Access to
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Clare Brown et al., “Association of State Medicaid Expansion Status With Low Birth Weight and
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Steffani Bailey et al., “Tobacco Cessation in Affordable Care Act Medicaid Expansion States Versus
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Jonathan Koma, Julie Donohue, Colleen Barry, Haiden Huskamp, and Marian Jarlenski, “Medicaid
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Nicole Kravitz-Wirtz et al., "Association of Medicaid Expansion With Opioid Overdose Mortality in the
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Mohammad Eslami et al., "Impact of Medicaid Expansion of the Affordable Care on the Outcomes of
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Megan Cole, Brad Wright, Ira Wilson, Omar Gallarraga, and Amal Trivedi, “Medicaid Expansion And
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Rishi Wadhera et al., “Association of State Medicaid Expansion With Quality of Care and Outcomes for
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Andrew Admon, Thomas Valley, John Ayanian, Theodore Iwashyna, Colin Cooke, and Renuka
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Andrew Admon, Michael Sjoding, Sarah Lyon, John Ayanian, Theodore Iwashyna, and Colin Cooke,
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Donald Likosky, Devraj Sukul, Milan Seth, Chang He, Hitlander Gurm, and Richard Prager, “The
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Rishi Wadhera et al., “Association of the Affordable Care Act’s Medicaid Expansion With Care Quality
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Rishi Wadhera et al., “Association of State Medicaid Expansion With Quality of Care and Outcomes for
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Manzilat Akande Peter Minneci, Katherine Deans, Henry Xiang, and Jennifer Cooper, “Association of
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Mark Clapp et al., "Association of Medicaid Expansion With Coverage and Access to Care for
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John A. Graves et al., "Medicaid Expansion Slowed Rates of Health Decline for Low-Income Adults in
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Nicole Kravitz-Wirtz et al., "Association of Medicaid Expansion With Opioid Overdose Mortality in the
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Yunwei Gai and John Marthinsen, "Medicaid Expansion, HIV Testing, and HIV-Related Risk Behaviors
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Lindsay C. Kobayashi, Onur Altindag, Yulya Truskinovsky, and Lisa F. Berkman, "Effects of the
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Claire E. Margerison et al., "Impacts of Medicaid Expansion on Health Among Women of Reproductive
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Sri Lekha Tummalapalli, Samuel Leonard, Michelle M. Estrella, and Salomeh Keyhani, "The Effect of
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Stacey McMorrow, Jason Gates, Sharon Long, and Genevieve Kenney, “Medicaid Expansion
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Tyler Winkelman and Virginia Chang, “Medicaid Expansion, Mental Health, and Access to Care
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Benjamin Sommers, Munira Gunja, Kenneth Finegold, and Thomas Musco, “Changes in Self-Reported
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Sarah Miller and Laura Wherry, “Health and Access to Care During the First 2 Years of the ACA
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Manzilat Akande, Peter Minneci, Katherine Deans, Henry Xiang, Deena Chisolm, and Jennifer Cooper,
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Hyunjung Lee and Frank Porell, “The Effect of the Affordable Care Act Medicaid Expansion on
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John Cawley, Aparna Soni, and Kosali Simon, “Third Year of Survey Data Shows Continuing Benefits
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Kosali Simon, Aparna Soni, and John Cawley, “The Impact of Health Insurance on Preventive Care
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Nimish Valvi, Neomi Vin-Raviv, and Tomi Akinyemiju, “Current Smoking and Quit-Attempts Among US
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Bernard Black, Alex Hollingsworth, Leticia Nunes, and Kosali Simon, The Effect of Health Insurance
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Susan L. Averett, Julie K. Smith, and Yang Wang, "Medicaid Expansion and Opioid Deaths," Health
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Johanna Maclean and Brendan Saloner, The Effect of Public Insurance Expansions on Substance Use
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Mark L. Diana et al., Louisiana Medicaid Expansion and Access to Care (Louisiana Department of
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Angelica Meinhofer and Allison Witman, “The Role Of Health Insurance On Treatment For Opioid Use
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Hannah Neprash, Anna Zink, Joshua Gray, and Katherine Hempstead, “Physicians’ Participation In
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Sara Rosenbaum, Jennifer Tolbert, Jessica Sharac, Peter Shin, Rachel Gunsalus, and Julia Zur,
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Hefei Wen, Adam S. Wilk, and Benjamin G. Druss, “Medicaid Acceptance by Psychiatrists Before and
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Benjamin Sommers, Robert Blendon, E. John Orav, and Arnold Epstein, “Changes in Utilization and
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Xinxin Han, Quian Luo, and Leighton Ku, “Medicaid Expansion and Grant Funding Increases Helped
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Nathalie Huguet et al., “Medicaid Expansion Produces Long-Term Impact on Insurance Coverage
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Samantha Artiga and Robin Rudowitz, How Have State Medicaid Expansion Decisions Affected the
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Peter Shin, Jessica Sharac, Julia Zur, Sara Rosenbaum, and Julia Paradise, Health Center Patient
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698
Renuka Tipirneni et al., “Primary Care Appointment Availability and Nonphysician Providers One Year
After Medicaid Expansion,” The American Journal of Managed Care 22 no. 6 (June 2016): 427-431,
http://www.ajmc.com/journals/issue/2016/2016-vol22-n6/primary-care-appointment-availability-and-
nonphysician-providers-one-year-after-medicaid-expansion
699
Sara Collins, Munira Gunja, Michelle Doty, and Sophie Beutel, Americans’ Experiences with ACA
Marketplace and Medicaid Coverage: Access to Care and Satisfaction (The Commonwealth Fund, May
2016), http://www.commonwealthfund.org/publications/issue-briefs/2016/may/aca-tracking-survey-
access-to-care-and-satisfaction
700
Renuka Tipirneni et al., “Primary Care Appointment Availability For New Medicaid Patients Increased
After Medicaid Expansion In Michigan,” Health Affairs (July 2015),
http://content.healthaffairs.org/content/early/2015/07/15/hlthaff.2014.1425.full
701
De-Chih Lee, Leiyu Shi, and Hailun Liang, “Primary Care Utilization And Clinical Quality Performance:
A Comparison Between Health Centres In Medicaid Expansion States And Non-Expansion States,”
Journal of Health Services Research & Policy 24, no. 1 (January 2019): 19-24,
https://journals.sagepub.com/doi/abs/10.1177/1355819618788592
702
Adam M. Almaguer et al., "Do Geographic Region, Medicaid Status, and Academic Affiliation Affect
Access to Care Among Medicaid and Privately Insured Total Hip Arthroplasty Patients?," Journal of
Arthroplasty 34, no. 12 (December 2019): 2866-2871, https://doi.org/10.1016/j.arth.2019.07.030
703
Colleen M. Carey, Sarah Miller, and Laura R. Wherry, The Impact of Insurance Expansions on the
Already Insured: The Affordable Care Act and Medicare, (National Bureau of Economic Research,
Working Paper Series No. 25153, October 2018), https://www.nber.org/papers/w25153
704
Carrie Fry and Benjamin Sommers, “Effect of Medicaid Expansion on Health Insurance Coverage and
Access to Care Among Adults With Depression,” Psychiatric Services 69, no. 11 (November 2018),
https://ps.psychiatryonline.org/doi/10.1176/appi.ps.201800181
705
Thomas Selden, Brandy Lipton, and Sandra Decker, “Medicaid Expansion and Marketplace Eligibility
Both Increased Coverage, With Trade-Offs in Access, Affordability,” Health Affairs 36 no. 12 (December
2017), https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0830
706
Joseph Labrum et al., “Does Medicaid Insurance Confer Adequate Access to Adult Orthopaedic Care
in the Era of the Patient Protection and Affordable Care Act?” Clinical Orthopaedics and Related
Research 475 no. 6 (June 2017): 1527-1536, https://link.springer.com/article/10.1007%2Fs11999-017-
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Fredric Blavin, Impact of the Affordable Care Act's Medicaid Expansion on Medicare Enrollees' Access
to Physician Services (Washington, DC: The Urban Institute, August 2019),
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physician-services
708
Renuka Tipirneni et al., “Primary Care Appointment Availability For New Medicaid Patients Increased
After Medicaid Expansion In Michigan,” Health Affairs (July 2015),
http://content.healthaffairs.org/content/early/2015/07/15/hlthaff.2014.1425.full
709
Jevay Grooms and Alberto Ortega, “Examining Medicaid Expansion and the Treatment of Substance
Use Disorders,” American Economic Association Papers and Proceedings 109 (May 2019): 187-192,
https://www.aeaweb.org/articles?id=10.1257/pandp.20191090
710
Hefei Wen, Adam S. Wilk, and Benjamin G. Druss, “Medicaid Acceptance by Psychiatrists Before and
After Medicaid Expansion,” JAMA Psychiatry epub ahead of print (June 2019),
https://jamanetwork.com/journals/jamapsychiatry/fullarticle/2735109?resultClick=1
711
Nathalie Huguet et al., “Medicaid Expansion Produces Long-Term Impact on Insurance Coverage
Rates in Community Health Centers,” Journal of Primary Care & Community Health epub ahead of print
(May 2017), http://journals.sagepub.com/doi/full/10.1177/2150131917709403
712
Megan Cole, Omar Galarraga, Ira Wilson, Brad Wright, and Amal Trivedi, “At Federally Funded Health
Centers, Medicaid Expansion was Associated with Improved Quality of Care,” Health Affairs 36 no. 1
(January 2017): 40-48, http://content.healthaffairs.org/content/36/1/40.full?sid=a3089120-6f4b-428b-
bba8-5f005b444e19
713
Renuka Tipirneni et al., “Primary Care Appointment Availability and Nonphysician Providers One Year
After Medicaid Expansion,” The American Journal of Managed Care 22 no. 6 (June 2016): 427-431,
http://www.ajmc.com/journals/issue/2016/2016-vol22-n6/primary-care-appointment-availability-and-
nonphysician-providers-one-year-after-medicaid-expansion
714
Benjamin Sommers, Bethany Maylone, Robert Blendon, E. John Orav, and Arnold Epstein, “Three-
Year Impacts of the Affordable Care Act: Improved Medical Care and Health Among Low-Income Adults,”
Health Affairs epub ahead of print (May 2017),
http://content.healthaffairs.org/content/early/2017/05/15/hlthaff.2017.0293
715
Hilary Barnes, Michael Richards, Matthew McHugh, and Grant Martsolf, “Rural And Nonrural Primary
Care Physician Practices Increasingly Rely On Nurse Practitioners,” Health Affairs 37, no. 6 (June 2018),
https://www.healthaffairs.org/doi/pdf/10.1377/hlthaff.2017.1158
716
Sarah Miller and Laura Wherry, “Health and Access to Care During the First 2 Years of the ACA
Medicaid Expansions,” The New England Journal of Medicine 376 no. 10 (March 2017),
http://www.nejm.org/doi/full/10.1056/NEJMsa1612890
717
Jenny Nguyen, Nidharshan Anandasivam, Daniel Cooperman, Richard Pelker, and Daniel Wiznia,
“Does Medicaid Insurance Provide Sufficient Access to Pediatric Orthopedic Care Under the Affordable
Care Act?,” Global Pediatric Health epub ahead of print (February 2019),
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6381430/
718
Benjamin Sommers, Bethany Maylone, Robert Blendon, E. John Orav, and Arnold Epstein, “Three-
Year Impacts of the Affordable Care Act: Improved Medical Care and Health Among Low-Income Adults,”
Health Affairs epub ahead of print (May 2017),
http://content.healthaffairs.org/content/early/2017/05/15/hlthaff.2017.0293
719
Thomas Selden, Brandy Lipton, and Sandra Decker, “Medicaid Expansion and Marketplace Eligibility
Both Increased Coverage, With Trade-Offs in Access, Affordability,” Health Affairs 36 no. 12 (December
2017), https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0830
720
Samantha Artiga, Robin Rudowitz, Jennifer Tolbert, Julia Paradise, and Melissa Majerol, Findings from
the Field: Medicaid Delivery Systems and Access to Care in Four States in Year Three of the ACA
(Washington, DC: Kaiser Commission on Medicaid and the Uninsured, September 2016),
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http://kff.org/medicaid/issue-brief/findings-from-the-field-medicaid-delivery-systems-and-access-to-care-
in-four-states-in-year-three-of-the-aca/
721
MaryBeth Musumeci, Robin Rudowitz, Petry Ubri, and Elizabeth Hinton, An Early Look at Medicaid
Expansion Waiver Implementation in Michigan and Indiana (Washington, DC: The Kaiser Family
Foundation, January 2017), http://kff.org/medicaid/issue-brief/an-early-look-at-medicaid-expansion-
waiver-implementation-in-michigan-and-indiana/
722
Samantha Artiga, Jennifer Tolbert, and Robin Rudowitz, Year Two of the ACA Coverage Expansions:
On-the-Ground Experiences from Five States (Washington, DC: Kaiser Commission on Medicaid and the
Uninsured, June 2015), http://kff.org/health-reform/issue-brief/year-two-of-the-aca-coverage-expansions-
on-the-ground-experiences-from-five-states/
723
Government Accountability Office, Behavioral Health: Options for Low-Income Adults to Receive
Treatment in Selected States (Washington, DC: Government Accountability Office, June 2015),
http://www.gao.gov/assets/680/670894.pdf
724
Samantha Artiga and Robin Rudowitz, How Have State Medicaid Expansion Decisions Affected the
Experiences of Low-Income Adults? Perspectives from Ohio, Arkansas, and Missouri (Washington, DC:
Kaiser Commission on Medicaid and the Uninsured, June 2015), http://kff.org/medicaid/issue-brief/how-
have-state-medicaid-expansion-decisions-affected-the-experiences-of-low-income-adults-perspectives-
from-ohio-arkansas-and-missouri/
725
Peter Shin, Jessica Sharac, Julia Zur, Sara Rosenbaum, and Julia Paradise, Health Center Patient
Trends, Enrollment Activities, and Service Capacity: Recent Experience in Medicaid Expansion and Non-
Expansion States (Washington, DC: Kaiser Commission on Medicaid and the Uninsured, December
2015), http://kff.org/medicaid/issue-brief/health-center-patient-trends-enrollment-activities-and-service-
capacity-recent-experience-in-medicaid-expansion-and-non-expansion-states/
726
Renuka Tipirneni et al., “Primary Care Appointment Availability and Nonphysician Providers One Year
After Medicaid Expansion,” The American Journal of Managed Care 22 no. 6 (June 2016): 427-431,
http://www.ajmc.com/journals/issue/2016/2016-vol22-n6/primary-care-appointment-availability-and-
nonphysician-providers-one-year-after-medicaid-expansion
727
Renuka Tipirneni et al., “Primary Care Appointment Availability For New Medicaid Patients Increased
After Medicaid Expansion In Michigan,” Health Affairs (July 2015),
http://content.healthaffairs.org/content/early/2015/07/15/hlthaff.2014.1425.full
728
John Scott et al., "Lifting the Burden: State Medicaid Expansion Reduces Financial Risk for the
Injured," Journal of Trauma and Acute Care Surgery Epub ahead of print (September 2019),
https://doi.org/10.1097/ta.0000000000002493
729
Jesse C. Baumgartner, Sara R. Collins, David C. Radley, and Susan L. Hayes, How the Affordable
Care Act Has Narrowed Racial and Ethnic Disparities in Access to Health Care (The Commonwealth
Fund, January 2020), https://www.commonwealthfund.org/publications/2020/jan/how-ACA-narrowed-
racial-ethnic-disparities-access
730
Xuesong Han et al., "Changes in Noninsurance and Care Unaffordability Among Cancer Survivors
Following the Affordable Care Act," Journal of the National Cancer Institute Epub ahead of print
(November 2019), https://doi.org/10.1093/jnci/djz218
731
Lindsay C. Kobayashi, Onur Altindag, Yulya Truskinovsky, and Lisa F. Berkman, "Effects of the
Affordable Care Act Medicaid Expansion on Subjective Well-Being in the US Adult Population, 2010-
2016," American Journal of Public Health 109, no. 9 (September 2019): 1236-1242,
https://doi.org/10.2105/ajph.2019.305164
732
Kevin N. Griffith, "Changes in Insurance Coverage and Access to Care for Young Adults in 2017,"
Journal of Adolescent Health Epub ahead of print (July 2019),
https://doi.org/10.1016/j.jadohealth.2019.05.020
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Thomas C. Buchmueller, Helen G. Levy, and Robert G. Valletta, Medicaid Expansion and the
Unemployed (National Bureau of Economic Research, Working Paper No. 26553, December 2019),
http://www.nber.org/papers/w26553
734
Jin Huang and Shirley L. Porterfield, "Changes in Health Insurance Coverage and Health Care Access
as Teens with Disabilities Transition to Adulthood," Disability and Health Journal 12, no. 4 (October
2019): 551-556, https://doi.org/10.1016/j.dhjo.2019.06.009
735
Claire E. Margerison et al., "Impacts of Medicaid Expansion on Health Among Women of Reproductive
Age," American Journal of Preventive Medicine Epub ahead of print (November 2019),
https://doi.org/10.1016/j.amepre.2019.08.019
736
Kyle Caswell and Timothy Waidmann, The Affordable Care Act Medicaid Expansions and Personal
Finance (Washington, DC: The Urban Institute, September 2017),
https://www.urban.org/research/publication/affordable-care-act-medicaid-expansions-and-personal-
finance
737
Stacey McMorrow, Genevieve Kenney, Sharon Long, and Jason Gates, “Marketplaces Helped Drive
Coverage Gains in 2015; Affordability Problems Remained,” Health Affairs 35 no. 10 (October 2016):
1810-1815, http://content.healthaffairs.org/content/35/10/1810.full
738
Kenneth Brevoort, Daniel Grodzicki, and Martin Hackmann, Medicaid and Financial Health (National
Bureau of Economic Research, Working Paper No. 24002, November 2017),
http://www.nber.org/papers/w24002
739
Charles Courtemanche, James Marton, Benjamin Ukert, Aaron Yelowitz, Daniela Zapata, Early Effects
of the Affordable Care Act on Health Care Access, Risky Health Behaviors, and Self-Assessed Health
(National Bureau of Economic Research, Working Paper no. 23269, March 2017),
http://www.nber.org/papers/w23269
740
Tyler Winkelman and Virginia Chang, “Medicaid Expansion, Mental Health, and Access to Care
Among Childless Adults With and Without Chronic Conditions,” Journal of General Internal Medicine epub
ahead of print (November 2017), https://www.ncbi.nlm.nih.gov/pubmed/29181792
741
Dahai Yue, Petra Rasmussen, and Ninez Ponce, “Racial/Ethnic Differential Effects of Medicaid
Expansion on Health Care Access,” Health Services Research (February 2018),
http://onlinelibrary.wiley.com/doi/10.1111/1475-6773.12834/abstract
742
The Ohio Department of Medicaid, 2018 Ohio Medicaid Group VIII Assessment: A Follow
Up to the
2016 Ohio Medicaid Group VIII Assessment, (The Ohio Department of Medicaid, August 2018),
https://medicaid.ohio.gov/Portals/0/Resources/Reports/Annual/Group-VIII-Final-Report.pdf
743
Stacey McMorrow, Jason Gates, Sharon Long, and Genevieve Kenney, “Medicaid Expansion
Increased Coverage, Improved Affordability, and Reduced Psychological Distress for Low-Income
Parents,” Health Affairs 36 no. 5 (May 2017): 808-818,
https://www.healthaffairs.org/doi/10.1377/hlthaff.2016.1650
744
Sarah Miller, Luojia Hu, Robert Kaestner, Bhashkar Mazumder, and Ashley Wong, The ACA Medicaid
Expansion in Michigan and Financial Health, (National Bureau of Economic Research, working paper no.
25053, September 2018), https://www.nber.org/papers/w25053.pdf
745
Shiho Kino and Ichiro Kawachi, "Can Health Literacy Boost Health Services Utilization in the Context
of Expanded Access to Health Insurance?," Health Education & Behavior Epub ahead of print (October
2019), https://doi.org/10.1177/1090198119875998
746
Mark L. Diana et al., Louisiana Medicaid Expansion and Access to Care (Louisiana Department of
Health, Prepared by Tulane University, July 2019),
http://ldh.la.gov/assets/media/AccesstoCareReport20132018final.pdf
747
Ann-Marie Rosland et al., "Diagnosis and Care of Chronic Health Conditions Among Medicaid
Expansion Enrollees: a Mixed-Methods Observational Study," Journal of General Internal Medicine 34,
no. 11 (November 2019): 2549-2558, https://doi.org/10.1007/s11606-019-05323-w
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
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748
Carrie Fry and Benjamin Sommers, “Effect of Medicaid Expansion on Health Insurance Coverage and
Access to Care Among Adults With Depression,” Psychiatric Services 69, no. 11 (November 2018),
https://ps.psychiatryonline.org/doi/10.1176/appi.ps.201800181
749
Hyunjung Lee and Frank Porell, “The Effect of the Affordable Care Act Medicaid Expansion on
Disparities in Access to Care and Health Status,” Medical Care Research and Review epub ahead of print
(October 2018),
https://journals.sagepub.com/doi/abs/10.1177/1077558718808709?rfr_dat=cr_pub%3Dpubmed&url_ver=
Z39.88-2003&rfr_id=ori%3Arid%3Acrossref.org&journalCode=mcrd
750
Sarah Miller and Laura Wherry, “Four Years Later: Insurance Coverage and Access to Care Continue
to Diverge between ACA Medicaid Expansion and Non-Expansion States,” American Economic
Association Papers and Proceedings 109 (May 2019): 327-333,
https://www.aeaweb.org/articles?id=10.1257/pandp.20191046
751
Sunha Choi, Sungkyu Lee, and Jason Matejkowski, “The Effects of State Medicaid Expansion on Low-
Income Individuals’ Access to Health Care: Multilevel Modeling,” Population Health Management epub
ahead of print (September 2017), http://online.liebertpub.com/doi/abs/10.1089/pop.2017.0104
752
Susan Hayes, Pamela Riley, David Radley, and Douglas McCarthy, Reducing Racial and Ethnic
Disparities in Access to Care: Has the Affordable Care Act Made a Difference? (The Commonwealth
Fund, August 2017), http://www.commonwealthfund.org/publications/issue-briefs/2017/aug/racial-ethnic-
disparities-care
753
Susan Hayes, Sara Collins, David Radley, and Douglas McCarthy, What’s at Stake: States’ Progress
on Health Coverage and Access to Care, 2013-2016 (The Commonwealth Fund, December 2017),
http://www.commonwealthfund.org/publications/issue-briefs/2017/dec/states-progress-health-coverage-
and-access
754
Emily Johnston, Andrea Strahan, Peter Joski, Anne Dunlop, and E. Kathleen Adams, “Impacts of the
Affordable Care Act’s Medicaid Expansion on Women of Reproductive Age,” Women’s Health Issues, 28,
no. 2 (February 2018), http://www.whijournal.com/article/S1049-3867(17)30242-6/pdf
755
Thomas Selden, Brandy Lipton, and Sandra Decker, “Medicaid Expansion and Marketplace Eligibility
Both Increased Coverage, With Trade-Offs in Access, Affordability,” Health Affairs 36 no. 12 (December
2017), https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0830
756
Kevin Griffith, Leigh Evans, and Jacob Bor, “The Affordable Care Act Reduced Socioeconomic
Disparities in Health Care Access,” Health Affairs 36 no. 8 (August 2017),
https://www.healthaffairs.org/doi/abs/10.1377/hlthaff.2017.0083
757
Sharon Long, Lea Bart, Michael Karpman, Adele Shartzer, and Stephen Zuckerman, “Sustained Gains
in Coverage, Access, and Affordability Under the ACA: A 2017 Update,” Health Affairs 36 no. 9
(September 2017), https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0798
758
Benjamin Sommers, Bethany Maylone, Robert Blendon, E. John Orav, and Arnold Epstein, “Three-
Year Impacts of the Affordable Care Act: Improved Medical Care and Health Among Low-Income Adults,”
Health Affairs epub ahead of print (May 2017),
http://content.healthaffairs.org/content/early/2017/05/15/hlthaff.2017.0293
759
Bryce Ward and Brandon Bridge, The Economic Impact of Medicaid Expansion in Montana: Updated
Findings (Bureau of Business and Economic Research, January 2019), https://mthcf.org/wp-
content/uploads/2019/01/Economic-Impact-of-MedEx-in-MT_1.28.19-FINAL.pdf
760
Ameen Barghi, Hugo Torres, Nancy Kressin, and Danny McCormick, “Coverage and Access for
Americans with Cardiovascular Disease or Risk Factors After the ACA: a Quasi-experimental Study,”
Journal of General Internal Medicine epub ahead of print (June 2019),
https://link.springer.com/article/10.1007%2Fs11606-019-05108-1
761
Sarah Miller and Laura Wherry, “Health and Access to Care During the First 2 Years of the ACA
Medicaid Expansions,” The New England Journal of Medicine 376 no. 10 (March 2017),
http://www.nejm.org/doi/full/10.1056/NEJMsa1612890
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762
Sara Collins, Munira Gunja, Michelle Doty, and Sophie Beutel, Americans’ Experiences with ACA
Marketplace and Medicaid Coverage: Access to Care and Satisfaction (The Commonwealth Fund, May
2016), http://www.commonwealthfund.org/publications/issue-briefs/2016/may/aca-tracking-survey-
access-to-care-and-satisfaction
763
Joseph Benitez, Liza Creel, and J’Aime Jennings, “Kentucky’s Medicaid Expansion Showing Early
Promise on Coverage and Access to Care,” Health Affairs (February 2016),
http://content.healthaffairs.org/content/early/2016/02/16/hlthaff.2015.1294
764
Benjamin Sommers, Robert Blendon, and E. John Orav, “Both the ‘Private Option’ And Traditional
Medicaid Expansions Improved Access To Care For Low-Income Adults,” Health Affairs 35, no. 1
(January 2016): 96-105, http://content.healthaffairs.org/content/35/1/96.abstract
765
Samantha Artiga and Robin Rudowitz, How Have State Medicaid Expansion Decisions Affected the
Experiences of Low-Income Adults? Perspectives from Ohio, Arkansas, and Missouri (Washington, DC:
Kaiser Commission on Medicaid and the Uninsured, June 2015), http://kff.org/medicaid/issue-brief/how-
have-state-medicaid-expansion-decisions-affected-the-experiences-of-low-income-adults-perspectives-
from-ohio-arkansas-and-missouri/
766
John Cawley, Aparna Soni, and Kosali Simon, “Third Year of Survey Data Shows Continuing Benefits
of Medicaid Expansions for Low-Income Childless Adults in the U.S.,” Journal of General Internal
Medicine 33, no. 9 (September 2018): 1495-1497, https://link.springer.com/article/10.1007%2Fs11606-
018-4537-0
767
Aaron Sojourner and Ezra Golberstein, “Medicaid Expansion Reduced Unpaid Medical Debt and
Increased Financial Satisfaction,” Health Affairs (July 2017),
https://www.healthaffairs.org/do/10.1377/hblog20170724.061160/full/
768
Frederic Blavin, Michael Karpman, Genevieve Kenney, and Benjamin Sommers, “Medicaid Versus
Marketplace Coverage for Near-Poor Adults: Effects on Out-Of-Pocket Spending and Coverage,” Health
Affairs 37 no. 2 (January 2018), https://www.healthaffairs.org/doi/abs/10.1377/hlthaff.2017.1166
769
Sherry Glied, Ougni Chakraborty, and Therese Russo, How Medicaid Expansion Affected Out-of-
Pocket Health Care Spending for Low-Income Families (The Commonwealth Fund, August 2017),
http://www.commonwealthfund.org/publications/issue-briefs/2017/aug/medicaid-expansion-out-of-pocket-
spending-low-income
770
Benjamin Sommers, Robert Blendon, E. John Orav, and Arnold Epstein, “Changes in Utilization and
Health Among Low-Income Adults After Medicaid Expansion or Expanded Private Insurance,” The
Journal of the American Medical Association 176 no. 10 (October 2016): 1501-1509,
http://jamanetwork.com/journals/jamainternalmedicine/article-abstract/2542420
771
Andrew Mulcahy, Christine Eibner, and Kenneth Finegold, “Gaining Coverage Through Medicaid Or
Private Insurance Increased Prescription Use and Lowered Out-Of-Pocket Spending,” Health Affairs 35,
no. 9 (September 2016), http://content.healthaffairs.org/content/early/2016/08/16/hlthaff.2016.0091.full
772
Anna Goldman, Steffie Woolhandler, and David Himmelstein, “Out-of-pocket Spending and Premium
Contributions After Implementation of the Affordable Care Act,” Journal of the American Medical
Association epub ahead of print (January 2018),
https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2669908
773
Helen Levy, Thomas Buchmueller, and Sayeh Nikpay, “The Impact of Medicaid Expansion on
Household Consumption,” Eastern Economic Journal 45, no. 1 (January 2019): 34-57,
https://link.springer.com/article/10.1057/s41302-018-0124-7
774
Sarah Miller and Laura Wherry, “Four Years Later: Insurance Coverage and Access to Care Continue
to Diverge between ACA Medicaid Expansion and Non-Expansion States,” American Economic
Association Papers and Proceedings 109 (May 2019): 327-333,
https://www.aeaweb.org/articles?id=10.1257/pandp.20191046
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
77
775
Kenneth Brevoort, Daniel Grodzicki, and Martin Hackmann, Medicaid and Financial Health (National
Bureau of Economic Research, Working Paper No. 24002, November 2017),
http://www.nber.org/papers/w24002
776
Kyle Caswell and Timothy Waidmann, The Affordable Care Act Medicaid Expansions and Personal
Finance (Washington, DC: The Urban Institute, September 2017),
https://www.urban.org/research/publication/affordable-care-act-medicaid-expansions-and-personal-
finance
777
Sharon Long, Lea Bart, Michael Karpman, Adele Shartzer, and Stephen Zuckerman, “Sustained Gains
in Coverage, Access, and Affordability Under the ACA: A 2017 Update,” Health Affairs 36 no. 9
(September 2017), https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0798
778
Aaron Sojourner and Ezra Golberstein, “Medicaid Expansion Reduced Unpaid Medical Debt and
Increased Financial Satisfaction,” Health Affairs (July 2017),
https://www.healthaffairs.org/do/10.1377/hblog20170724.061160/full/
779
Thomas Selden, Brandy Lipton, and Sandra Decker, “Medicaid Expansion and Marketplace Eligibility
Both Increased Coverage, With Trade-Offs in Access, Affordability,” Health Affairs 36 no. 12 (December
2017), https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0830
780
Benjamin Sommers, Bethany Maylone, Robert Blendon, E. John Orav, and Arnold Epstein, “Three-
Year Impacts of the Affordable Care Act: Improved Medical Care and Health Among Low-Income Adults,”
Health Affairs epub ahead of print (May 2017),
http://content.healthaffairs.org/content/early/2017/05/15/hlthaff.2017.0293
781
Stacey McMorrow, Jason Gates, Sharon Long, and Genevieve Kenney, “Medicaid Expansion
Increased Coverage, Improved Affordability, and Reduced Psychological Distress for Low-Income
Parents,” Health Affairs 36 no. 5 (May 2017): 808-818,
https://www.healthaffairs.org/doi/10.1377/hlthaff.2016.1650
782
Benjamin Sommers, Robert Blendon, E. John Orav, and Arnold Epstein, “Changes in Utilization and
Health Among Low-Income Adults After Medicaid Expansion or Expanded Private Insurance,” The
Journal of the American Medical Association 176 no. 10 (October 2016): 1501-1509,
http://jamanetwork.com/journals/jamainternalmedicine/article-abstract/2542420
783
Sarah Miller and Laura Wherry, “Health and Access to Care During the First 2 Years of the ACA
Medicaid Expansions,” The New England Journal of Medicine 376 no. 10 (March 2017),
http://www.nejm.org/doi/full/10.1056/NEJMsa1612890
784
Sarah Miller, Luojia Hu, Robert Kaestner, Bhashkar Mazumder, and Ashley Wong, The ACA Medicaid
Expansion in Michigan and Financial Health, (National Bureau of Economic Research, working paper no.
25053, September 2018), https://www.nber.org/papers/w25053.pdf
785
The Ohio Department of Medicaid, 2018 Ohio Medicaid Group VIII Assessment: A Follow
Up to the
2016 Ohio Medicaid Group VIII Assessment, (The Ohio Department of Medicaid, August 2018),
https://medicaid.ohio.gov/Portals/0/Resources/Reports/Annual/Group-VIII-Final-Report.pdf
786
Sarah Miller, Luojia Hu, Robert Kaestner, Bhashkar Mazumder, and Ashley Wong, The ACA Medicaid
Expansion in Michigan and Financial Health, (National Bureau of Economic Research, working paper no.
25053, September 2018), https://www.nber.org/papers/w25053.pdf
787
Gracie Himmelstein, "Effect of the Affordable Care Act's Medicaid Expansions on Food Security, 2010-
2016," American Journal of Public Health 109, no. 9 (September 2019): 1243-1248,
https://doi.org/10.2105/ajph.2019.305168
788
Sanders Korenman, Dahlia K. Remler, and Rosemary T. Hyson, "Medicaid Expansions and Poverty:
Comparing Supplemental and Health-Inclusive Poverty Measures," Social Service Review 93, no. 3
(September 2019): 429-483, https://doi.org/10.1086/705319
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789
Naomi Zewde and Christopher Wimer, “Antipoverty Impact Of Medicaid Growing With State
Expansions Over Time,” Health Affairs 38, no. 1 (January 2019),
https://www.healthaffairs.org/doi/full/10.1377/hlthaff.2018.05155
790
Kenneth Brevoort, Daniel Grodzicki, and Martin Hackmann, Medicaid and Financial Health (National
Bureau of Economic Research, Working Paper No. 24002, November 2017),
http://www.nber.org/papers/w24002
791
Kyle Caswell and Timothy Waidmann, The Affordable Care Act Medicaid Expansions and Personal
Finance (Washington, DC: The Urban Institute, September 2017),
https://www.urban.org/research/publication/affordable-care-act-medicaid-expansions-and-personal-
finance
792
Aaron Sojourner and Ezra Golberstein, “Medicaid Expansion Reduced Unpaid Medical Debt and
Increased Financial Satisfaction,” Health Affairs (July 2017),
https://www.healthaffairs.org/do/10.1377/hblog20170724.061160/full/
793
Luojia Hu, Robert Kaestenr, Bhashkar Mazumder, Sarah Miller, and Ashley Wong, “The Effect of the
Affordable Care Act Medicaid Expansions on Financial Wellbeing,” Journal of Public Economics 163 (July
2018): 99-112, https://www.sciencedirect.com/science/article/abs/pii/S0047272718300707
794
Sarah Miller, Luojia Hu, Robert Kaestner, Bhashkar Mazumder, and Ashley Wong, The ACA Medicaid
Expansion in Michigan and Financial Health, (National Bureau of Economic Research, working paper no.
25053, September 2018), https://www.nber.org/papers/w25053.pdf
795
The Ohio Department of Medicaid, 2018 Ohio Medicaid Group VIII Assessment: A Follow
Up to the
2016 Ohio Medicaid Group VIII Assessment, (The Ohio Department of Medicaid, August 2018),
https://medicaid.ohio.gov/Portals/0/Resources/Reports/Annual/Group-VIII-Final-Report.pdf
796
Gracie Himmelstein, "Effect of the Affordable Care Act's Medicaid Expansions on Food Security, 2010-
2016," American Journal of Public Health 109, no. 9 (September 2019): 1243-1248,
https://doi.org/10.2105/ajph.2019.305168
797
Naomi Zewde and Christopher Wimer, “Antipoverty Impact Of Medicaid Growing With State
Expansions Over Time,” Health Affairs 38, no. 1 (January 2019),
https://www.healthaffairs.org/doi/full/10.1377/hlthaff.2018.05155
798
Sanders Korenman, Dahlia K. Remler, and Rosemary T. Hyson, "Medicaid Expansions and Poverty:
Comparing Supplemental and Health-Inclusive Poverty Measures," Social Service Review 93, no. 3
(September 2019): 429-483, https://doi.org/10.1086/705319
799
Naomi Zewde, Erica Eliason, Heidi Allen, and Tal Gross, "The Effects of the ACA Medicaid Expansion
on Nationwide Home Evictions and Eviction-Court Initiations: United States, 2000-2016," American
Journal of Public Health 109, no. 10 (October 2019): 1379-1383,
https://doi.org/10.2105/ajph.2019.305230
800
Sarah Miller, Luojia Hu, Robert Kaestner, Bhashkar Mazumder, and Ashley Wong, The ACA Medicaid
Expansion in Michigan and Financial Health, (National Bureau of Economic Research, working paper no.
25053, September 2018), https://www.nber.org/papers/w25053.pdf
801
Luojia Hu, Robert Kaestenr, Bhashkar Mazumder, Sarah Miller, and Ashley Wong, “The Effect of the
Affordable Care Act Medicaid Expansions on Financial Wellbeing,” Journal of Public Economics 163 (July
2018): 99-112, https://www.sciencedirect.com/science/article/abs/pii/S0047272718300707
802
Kenneth Brevoort, Daniel Grodzicki, and Martin Hackmann, Medicaid and Financial Health (National
Bureau of Economic Research, Working Paper No. 24002, November 2017),
http://www.nber.org/papers/w24002
803
Aaron Sojourner and Ezra Golberstein, “Medicaid Expansion Reduced Unpaid Medical Debt and
Increased Financial Satisfaction,” Health Affairs (July 2017),
https://www.healthaffairs.org/do/10.1377/hblog20170724.061160/full/
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804
Kyle Caswell and Timothy Waidmann, The Affordable Care Act Medicaid Expansions and Personal
Finance (Washington, DC: The Urban Institute, September 2017),
https://www.urban.org/research/publication/affordable-care-act-medicaid-expansions-and-personal-
finance
805
Sarah Miller, Luojia Hu, Robert Kaestner, Bhashkar Mazumder, and Ashley Wong, The ACA Medicaid
Expansion in Michigan and Financial Health, (National Bureau of Economic Research, working paper no.
25053, September 2018), https://www.nber.org/papers/w25053.pdf
806
Xuesong Han et al., "Changes in Noninsurance and Care Unaffordability Among Cancer Survivors
Following the Affordable Care Act," Journal of the National Cancer Institute Epub ahead of print
(November 2019), https://doi.org/10.1093/jnci/djz218
807
Kevin Griffith, Leigh Evans, and Jacob Bor, “The Affordable Care Act Reduced Socioeconomic
Disparities in Health Care Access,” Health Affairs 36 no. 8 (August 2017),
https://www.healthaffairs.org/doi/abs/10.1377/hlthaff.2017.0083
808
Shiho Kino and Ichiro Kawachi, “The Impact Of ACA Medicaid Expansion On Socioeconomic
Inequality In Health Care Services Utilization,” PLoS ONE 13, no. 2 (December 2018),
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0209935
809
Susan Hayes, Sara Collins, David Radley, and Douglas McCarthy, What’s at Stake: States’ Progress
on Health Coverage and Access to Care, 2013-2016 (The Commonwealth Fund, December 2017),
http://www.commonwealthfund.org/publications/issue-briefs/2017/dec/states-progress-health-coverage-
and-access
810
Susan Hayes, Pamela Riley, David Radley, and Douglas McCarthy, Reducing Racial and Ethnic
Disparities in Access to Care: Has the Affordable Care Act Made a Difference? (The Commonwealth
Fund, August 2017), http://www.commonwealthfund.org/publications/issue-briefs/2017/aug/racial-ethnic-
disparities-care
811
Aaron Sojourner and Ezra Golberstein, “Medicaid Expansion Reduced Unpaid Medical Debt and
Increased Financial Satisfaction,” Health Affairs (July 2017),
https://www.healthaffairs.org/do/10.1377/hblog20170724.061160/full/
812
Naomi Zewde, Erica Eliason, Heidi Allen, and Tal Gross, "The Effects of the ACA Medicaid Expansion
on Nationwide Home Evictions and Eviction-Court Initiations: United States, 2000-2016," American
Journal of Public Health 109, no. 10 (October 2019): 1379-1383,
https://doi.org/10.2105/ajph.2019.305230
813
Jesse C. Baumgartner, Sara R. Collins, David C. Radley, and Susan L. Hayes, How the Affordable
Care Act Has Narrowed Racial and Ethnic Disparities in Access to Health Care (The Commonwealth
Fund, January 2020), https://www.commonwealthfund.org/publications/2020/jan/how-ACA-narrowed-
racial-ethnic-disparities-access
814
A. Taylor Kelley, Renuka Tipirneni, and Helen Levy, "Changes in Veterans' Coverage and Access to
Care Following the Affordable Care Act, 2011-2017," American Journal of Public Health 109, no. 9
(September 2019): 1233-1235, https://doi.org/10.2105/ajph.2019.305160
815
Xuesong Han et al., "Changes in Noninsurance and Care Unaffordability Among Cancer Survivors
Following the Affordable Care Act," Journal of the National Cancer Institute Epub ahead of print
(November 2019), https://doi.org/10.1093/jnci/djz218
816
Thomas C. Buchmueller, Helen G. Levy, and Robert G. Valletta, Medicaid Expansion and the
Unemployed (National Bureau of Economic Research, Working Paper No. 26553, December 2019),
http://www.nber.org/papers/w26553
817
Kevin N. Griffith, "Changes in Insurance Coverage and Access to Care for Young Adults in 2017,"
Journal of Adolescent Health Epub ahead of print (July 2019),
https://doi.org/10.1016/j.jadohealth.2019.05.020
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818
Jin Huang and Shirley L. Porterfield, "Changes in Health Insurance Coverage and Health Care Access
as Teens with Disabilities Transition to Adulthood," Disability and Health Journal 12, no. 4 (October
2019): 551-556, https://doi.org/10.1016/j.dhjo.2019.06.009
819
Sanders Korenman, Dahlia K. Remler, and Rosemary T. Hyson, "Medicaid Expansions and Poverty:
Comparing Supplemental and Health-Inclusive Poverty Measures," Social Service Review 93, no. 3
(September 2019): 429-483, https://doi.org/10.1086/705319
820
Jean M. Abraham, Anne B. Royalty, and Coleman Drake, "The Impact of Medicaid Expansion on
Employer Provision of Health Insurance," International Journal of Health Economics and Management 19,
no. 3-4 (December 2019): 317-340, https://doi.org/10.1007/s10754-018-9256-x
821
Thomas Selden, Brandy Lipton, and Sandra Decker, “Medicaid Expansion and Marketplace Eligibility
Both Increased Coverage, With Trade-Offs in Access, Affordability,” Health Affairs 36 no. 12 (December
2017), https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0830
822
Sarah Miller and Laura Wherry, “Health and Access to Care During the First 2 Years of the ACA
Medicaid Expansions,” The New England Journal of Medicine 376 no. 10 (March 2017),
http://www.nejm.org/doi/full/10.1056/NEJMsa1612890
823
Joseph Benitez, Liza Creel, and J’Aime Jennings, “Kentucky’s Medicaid Expansion Showing Early
Promise on Coverage and Access to Care,” Health Affairs (February 2016),
http://content.healthaffairs.org/content/early/2016/02/16/hlthaff.2015.1294
824
Laura Wherry and Sarah Miller, “Early Coverage, Access, Utilization, and Health Effects Associated
with the Affordable Care Act Medicaid Expansions: A Quasi-experimental Study,” Annals of Internal
Medicine, Epub ahead of print (April 2016), http://annals.org/article.aspx?articleid=2513980
825
Adele Shartzer, Sharon Long, and Nathaniel Anderson, “Access To Care and Affordability have
Improved Following Affordable Care Act Implementation; Problems Remain,” Health Affairs (December
2015), http://content.healthaffairs.org/content/early/2015/12/14/hlthaff.2015.0755.full
826
Benjamin Sommers, Munira Gunja, Kenneth Finegold, and Thomas Musco, “Changes in Self-Reported
Insurance Coverage, Access to Care, and Health Under the Affordable Care Act,” The Journal of the
American Medical Association 314 no. 4 (July 2015): 366-374,
http://jama.jamanetwork.com/article.aspx?articleid=2411283&resultClick=3
827
Kenneth Brevoort, Daniel Grodzicki, and Martin Hackmann, Medicaid and Financial Health (National
Bureau of Economic Research, Working Paper No. 24002, November 2017),
http://www.nber.org/papers/w24002
828
Aaron Sojourner and Ezra Golberstein, “Medicaid Expansion Reduced Unpaid Medical Debt and
Increased Financial Satisfaction,” Health Affairs (July 2017),
https://www.healthaffairs.org/do/10.1377/hblog20170724.061160/full/
829
Stacey McMorrow, Jason Gates, Sharon Long, and Genevieve Kenney, “Medicaid Expansion
Increased Coverage, Improved Affordability, and Reduced Psychological Distress for Low-Income
Parents,” Health Affairs 36 no. 5 (May 2017): 808-818,
https://www.healthaffairs.org/doi/10.1377/hlthaff.2016.1650
830
Luojia Hu, Robert Kaestenr, Bhashkar Mazumder, Sarah Miller, and Ashley Wong, “The Effect of the
Affordable Care Act Medicaid Expansions on Financial Wellbeing,” Journal of Public Economics 163 (July
2018): 99-112, https://www.sciencedirect.com/science/article/abs/pii/S0047272718300707
831
Hyunjung Lee and Frank Porell, “The Effect of the Affordable Care Act Medicaid Expansion on
Disparities in Access to Care and Health Status,” Medical Care Research and Review epub ahead of print
(October 2018),
https://journals.sagepub.com/doi/abs/10.1177/1077558718808709?rfr_dat=cr_pub%3Dpubmed&url_ver=
Z39.88-2003&rfr_id=ori%3Arid%3Acrossref.org&journalCode=mcrd
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832
Helen Levy, Thomas Buchmueller, and Sayeh Nikpay, “The Impact of Medicaid Expansion on
Household Consumption,” Eastern Economic Journal 45, no. 1 (January 2019): 34-57,
https://link.springer.com/article/10.1057/s41302-018-0124-7
833
Helen Levy et al., "Macroeconomic Feedback Effects of Medicaid Expansion: Evidence from
Michigan," Journal of Health Politics, Policy and Law Epub ahead of print (October 2019),
https://doi.org/10.1215/03616878-7893555
834
James A. Richardson, Jared J. Llorens, and Roy L. Heidelberg. Medicaid Expansion and the Louisiana
Economy, 2018 and 2019 (Louisiana Department of Health, Prepared by Louisiana State University,
August 2019), http://ldh.la.gov/assets/media/3and4.2019FinalReportMedicaidExpansionstudy.pdf
835
James Richardson, Jared Llorens, and Roy Heidelberg, Medicaid Expansion and the Louisiana
Economy (Louisiana Department of Health, March 2018),
http://gov.louisiana.gov/assets/MedicaidExpansion/MedicaidExpansionStudy.pdf
836
Bryce Ward and Brandon Bridge, The Economic Impact of Medicaid Expansion in Montana: Updated
Findings (Bureau of Business and Economic Research, January 2019), https://mthcf.org/wp-
content/uploads/2019/01/Economic-Impact-of-MedEx-in-MT_1.28.19-FINAL.pdf
837
Manatt Health, Medicaid Expansion: How It Affects Montana’s State Budget, Economy, and Residents
(Montana Healthcare Foundation, prepared by Manatt Health, June 2018), https://mthcf.org/wp-
content/uploads/2018/06/Manatt-MedEx_FINAL_6.1.18.pdf
838
Mark Duggan, Atul Gupta, and Emilie Jackson, The Impact of the Affordable Care Act: Evidence from
California's Hospital Sector (National Bureau of Economic Research, working paper no. 25488, January
2019), https://www.nber.org/papers/w25488.pdf
839
Louisiana Department of Health, Medicaid Expansion 2016/17 (Baton Rouge, Louisiana Department of
Health, June 2017),
http://dhh.louisiana.gov/assets/HealthyLa/Resources/MdcdExpnAnnlRprt_2017_WEB.pdf
840
April Grady, Deborah Bachrach, and Patti Boozang, Medicaid’s Role in the Delivery and Payment of
Substance Use Disorder Services in Montana, (Manatt Health, March 2017), http://mthcf.org/wp-
content/uploads/2017/03/Medicaid-Role-in-Substance-Use-Disorder-Services-in-Montana_Final.pdf
841
The Colorado Health Foundation, Assessing the Economic and Budgetary Impact of Medicaid
Expansion in Colorado, (The Colorado Health Foundation, March 2016),
https://www.coloradohealth.org/sites/default/files/documents/2017-
01/Medicaid_ExecutiveSummary_ONLINE.pdf
842
Lee A. Reynis, Economic and Fiscal Impacts of the Medicaid Expansion in New Mexico, (The
University of New Mexico Bureau of Business and Economic Research, February 2016),
http://bber.unm.edu/media/publications/Medicaid_Expansion_Final2116R.pdf
843
Benjamin Sommers and Jonathan Gruber, “Federal Funding Insulated State Budgets From Increased
Spending Related To Medicaid Expansion,” Health Affairs epub ahead of print (April 2017),
https://www.healthaffairs.org/doi/full/10.1377/hlthaff.2016.1666
844
Abby Evans, John Folkemer, Joel Menges, Amira Mouna, Nick Pantaleo, Emily Ricci, and Poornima
Sigh, Assessment of Medicaid Expansion and Reform, Initial Analysis (The Menges Group, January
2016), https://alaskamentalhealthtrust.org/wp-content/uploads/2018/08/HandOut-
MedicaidExpansionAndReformInitialAnalysis-011516-TheMengesGroup.pdf
845
Chris Brown and John Bennett, Economic Impacts of the Arkansas Private Option (Regional Economic
Models, Inc., August 2015),
http://www.arkhospitals.org/Misc.%20Files/August2015APOEconomicImpacts.pdf
846
Deborah Bachrach, Patricia Boozang, Avi Herring, and Dori Glanz Reyneri, States Expanding
Medicaid See Significant Budget Savings and Revenue Gains, (Manatt Health Solutions, prepared by the
Robert Wood Johnson Foundation’s State Health Reform Assistance Network, March 2016),
http://www.rwjf.org/content/dam/farm/reports/issue_briefs/2016/rwjf419097
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847
Stan Dorn, Norton Francis, Laura Snyder, and Robin Rudowitz, The Effects of the Medicaid Expansion
on State Budgets: An Early Look in Select States (Washington, DC: Kaiser Commission on Medicaid and
the Uninsured, March 2015), http://kff.org/medicaid/issue-brief/the-effects-of-the-medicaid-expansion-on-
state-budgets-an-early-look-in-select-states/
848
Deloitte Development LLC, Commonwealth of Kentucky Medicaid Expansion Report, (Deloitte
Development LLC, February 2015), http://jointhehealthjourney.com/images/uploads/channel-
files/Kentucky_Medicaid_Expansion_One-Year_Study_FINAL.pdf
849
Robin Rudowitz, Laura Snyder, and Vernon K. Smith, Medicaid Enrollment and Spending Growth: FY
2015 & 2016 (Washington, DC: Kaiser Commission on Medicaid and the Uninsured, October 2015),
https://www.kff.org/medicaid/issue-brief/medicaid-enrollment-spending-growth-fy-2015-2016/
850
Robin Rudowitz, Elizabeth Hinton, and Larisa Antonisse, Medicaid Enrollment and Spending Growth:
FY 2018 & 2019 (Washington, DC: Kaiser Family Foundation, October 2018),
https://www.kff.org/medicaid/issue-brief/medicaid-enrollment-spending-growth-fy-2018-2019/
851
Robin Rudowitz, Elizabeth Hinton, Maria Diaz, Madeline Guth, and Marina Tian, Medicaid Enrollment
and Spending Growth: FY 2019 & 2020 (Washington, DC: Kaiser Family Foundation, October 2019),
https://www.kff.org/medicaid/issue-brief/medicaid-enrollment-spending-growth-fy-2019-2020/
852
Micah Hartman et al., “National Health Care Spending in 2016: Spending and Enrollment Growth Slow
After Initial Coverage Expansions,” Health Affairs epub ahead of print (December 2017),
https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.1299
853
Jacqueline Fiore, The Impact of the Affordable Care Act’s Medicaid Expansion on Medicaid Spending
by Health Care Service Category (Tulane University, July 2017),
http://econ.tulane.edu/RePEc/pdf/tul1706.pdf
854
Vikki Wachino and Samantha Artiga, How Connecting Justice-Involved Individuals to Medicaid Can
Help Address the Opioid Epidemic (Washington, DC: Kaiser Family Foundation, June 2019),
https://www.kff.org/medicaid/issue-brief/how-connecting-justice-involved-individuals-to-medicaid-can-
help-address-the-opioid-epidemic/
855
Aaron McNay, Amy Watson, Barbara Wagner, and Chris Bradley, Montana Medicaid and Montana
Employers (Montana Department of Revenue and Montana Department of Labor & Industry, January
2019), http://lmi.mt.gov/Portals/193/Publications/LMI-Pubs/Special%20Reports%20and%20Studies/MT-
Medicaid_Report.pdf
856
Benjamin Sommers and Jonathan Gruber, “Federal Funding Insulated State Budgets From Increased
Spending Related To Medicaid Expansion,” Health Affairs epub ahead of print (April 2017),
http://content.healthaffairs.org/content/early/2017/04/10/hlthaff.2016.1666.full
857
Louisiana Department of Health, Medicaid Expansion 2016/17 (Baton Rouge, Louisiana Department of
Health, June 2017),
http://dhh.louisiana.gov/assets/HealthyLa/Resources/MdcdExpnAnnlRprt_2017_WEB.pdf
858
James Richardson, Jared Llorens, and Roy Heidelberg, Medicaid Expansion and the Louisiana
Economy (Louisiana Department of Health, March 2018),
http://gov.louisiana.gov/assets/MedicaidExpansion/MedicaidExpansionStudy.pdf
859
James A. Richardson, Jared J. Llorens, and Roy L. Heidelberg. Medicaid Expansion and the Louisiana
Economy, 2018 and 2019 (Louisiana Department of Health, Prepared by Louisiana State University,
August 2019), http://ldh.la.gov/assets/media/3and4.2019FinalReportMedicaidExpansionstudy.pdf
860
Manatt Health, Medicaid Expansion: How It Affects Montana’s State Budget, Economy, and Residents
(Montana Healthcare Foundation, prepared by Manatt Health, June 2018), https://mthcf.org/wp-
content/uploads/2018/06/Manatt-MedEx_FINAL_6.1.18.pdf
861
Aaron McNay, Amy Watson, Barbara Wagner, and Chris Bradley, Montana Medicaid and Montana
Employers (Montana Department of Revenue and Montana Department of Labor & Industry, January
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
83
2019), http://lmi.mt.gov/Portals/193/Publications/LMI-Pubs/Special%20Reports%20and%20Studies/MT-
Medicaid_Report.pdf
862
Helen Levy et al., "Macroeconomic Feedback Effects of Medicaid Expansion: Evidence from
Michigan," Journal of Health Politics, Policy and Law Epub ahead of print (October 2019),
https://doi.org/10.1215/03616878-7893555
863
Qiwei He and Scott Barkowski, "The Effect of Health Insurance on Crime: Evidence from the
Affordable Care Act Medicaid Expansion," Health Economics Epub ahead of print (January 2020): 261-
277, https://doi.org/10.1002/hec.3977
864
Jesse M. Hinde et al., "Increasing Access to Opioid Use Disorder Treatment: Assessing State Policies
and the Evidence Behind Them," Journal of Studies on Alcohol and Drugs 80, no. 6 (November 2019):
693-697, https://doi.org/10.15288/jsad.2019.80.693
865
April Grady, Deborah Bachrach, and Patti Boozang, Medicaid’s Role in the Delivery and Payment of
Substance Use Disorder Services in Montana, (Manatt Health, March 2017), http://mthcf.org/wp-
content/uploads/2017/03/Medicaid-Role-in-Substance-Use-Disorder-Services-in-Montana_Final.pdf
866
Jacob Vogler, Access to Health Care and Criminal Behavior: Short-Run Evidence from the ACA
Medicaid Expansions (University of Illinois at Urbana-Champaign, November 2017),
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3042267
867
Vikki Wachino and Samantha Artiga, How Connecting Justice-Involved Individuals to Medicaid Can
Help Address the Opioid Epidemic (Washington, DC: Kaiser Family Foundation, June 2019),
https://www.kff.org/medicaid/issue-brief/how-connecting-justice-involved-individuals-to-medicaid-can-
help-address-the-opioid-epidemic/
868
Deborah Bachrach, Patricia Boozang, Avi Herring, and Dori Glanz Reyneri, States Expanding
Medicaid See Significant Budget Savings and Revenue Gains, (Manatt Health Solutions, prepared by the
Robert Wood Johnson Foundation’s State Health Reform Assistance Network, March 2016),
http://www.rwjf.org/content/dam/farm/reports/issue_briefs/2016/rwjf419097
869
Stan Dorn, Norton Francis, Laura Snyder, and Robin Rudowitz, The Effects of the Medicaid Expansion
on State Budgets: An Early Look in Select States (Washington, DC: Kaiser Commission on Medicaid and
the Uninsured, March 2015), http://kff.org/medicaid/issue-brief/the-effects-of-the-medicaid-expansion-on-
state-budgets-an-early-look-in-select-states/
870
Lee A. Reynis, Economic and Fiscal Impacts of the Medicaid Expansion in New Mexico, (The
University of New Mexico Bureau of Business and Economic Research, February 2016),
http://bber.unm.edu/media/publications/Medicaid_Expansion_Final2116R.pdf
871
Deloitte Development LLC, Commonwealth of Kentucky Medicaid Expansion Report, (Deloitte
Development LLC, February 2015), http://jointhehealthjourney.com/images/uploads/channel-
files/Kentucky_Medicaid_Expansion_One-Year_Study_FINAL.pdf
872
Abby Evans, John Folkemer, Joel Menges, Amira Mouna, Nick Pantaleo, Emily Ricci, and Poornima
Sigh, Assessment of Medicaid Expansion and Reform, Initial Analysis (The Menges Group, January
2016), https://alaskamentalhealthtrust.org/wp-content/uploads/2018/08/HandOut-
MedicaidExpansionAndReformInitialAnalysis-011516-TheMengesGroup.pdf
873
Johanna Maclean and Brendan Saloner, “The Effect of Public Insurance Expansions on Substance
Use Disorder Treatment: Evidence from the Affordable Care Act,” Journal of Policy Analysis and
Management 38, no. 2 (2019): 366-393, https://www.ncbi.nlm.nih.gov/pubmed/30882195
874
Mark Duggan, Atul Gupta, and Emilie Jackson, The Impact of the Affordable Care Act: Evidence from
California's Hospital Sector (National Bureau of Economic Research, working paper no. 25488, January
2019), https://www.nber.org/papers/w25488.pdf
875
Amanda Abraham et al., “Changes in State Technical Assistance Priorities and Block Grant Funds for
Addiction After ACA Implementation,” American Journal of Public Health epub ahead of print (May 2019),
https://ajph.aphapublications.org/doi/abs/10.2105/AJPH.2019.305052
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876
Aparna Soni, Marguerite Burns, Laura Dague, and Kosali Simon, “Medicaid Expansion and State
Trends in Supplemental Security Income Program Participation,” Health Affairs 36 no. 8, (August 2017):
1485-1488, http://content.healthaffairs.org/content/36/8/1485.full?sid=982b20c0-0a17-4dc4-a35a-
b0302d4ec289
877
Paul Jacobs, Genevieve Kenney, and Thomas Selden, “Newly Eligible Enrollees In Medicaid Spend
Less And Use Less Care Than Those Previously Eligible,” Health Affairs 36, no. 9 (September 2017),
https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0252
878
David Lassman et al., “Health Spending by State 1991-2014: Measuring Per Capita Spending by
Payers and Programs,” Health Affairs epub ahead of print (June 2017),
http://content.healthaffairs.org/content/early/2017/06/13/hlthaff.2017.0416
879
Stephan R. Lindner et al., "Health Care Expenditures Among Adults With Diabetes After Oregon's
Medicaid Expansion," Diabetes Care Epub ahead of print (December 2019), https://doi.org/10.2337/dc19-
1343
880
Laura Snyder, Katherine Young, Robin Rudowitz, and Rachel Garfield, Medicaid Expansion Spending
and Enrollment in Context: An Early Look at CMS Claims Data for 2014 (Washington, DC: Kaiser
Commission on Medicaid and the Uninsured, January 2016), http://kff.org/medicaid/issue-brief/medicaid-
expansion-spending-and-enrollment-in-context-an-early-look-at-cms-claims-data-for-2014/
881
Heather Holderness et al., "Where Do Oregon Medicaid Enrollees Seek Outpatient Care Post-
Affordable Care Act Medicaid Expansion?," Medical Care 57, no. 10 (October 2019): 788-794,
https://doi.org/10.1097/mlr.0000000000001189
882
Christian Wolfe, Kathryn Rennie, and Christopher Truffer, 2017 Actuarial Report on the Financial
Outlook for Medicaid (Office of the Actuary, Centers for Medicare and Medicaid Services, September
2018), https://www.cms.gov/Research-Statistics-Data-and-
Systems/Research/ActuarialStudies/Downloads/MedicaidReport2017.pdf
883
The Colorado Health Institute, Medicaid Expansion in Colorado: An Analysis of Enrollment, Costs and
Benefitsand How They Exceeded Expectations (The Colorado Health Institute, May 2016),
http://www.coloradohealthinstitute.org/uploads/postfiles/MK_Expansion_Report.pdf
884
Pennsylvania Department of Human Services, Medicaid Expansion Report, (Pennsylvania Department
of Human Services, January 2017),
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Aditi Sen and Thomas DeLeire, “How Does Expansion Of Public Health Insurance Affect Risk Pools
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Jocelyn Guyer, Naomi Shine, MaryBeth Musumeci, and Robin Rudowitz, A Look at the Private Option
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893
Hefei Wen, Kenton J. Johnston, Lindsay Allen, and Teresa M. Waters, "Medicaid Expansion
Associated With Reductions In Preventable Hospitalizations," Health Affairs 38, no. 11 (November 2019):
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Alexander T. Janke, Shooshan Danagoulian, Arjun K. Venkatesh, and Phillip D. Levy, "Medicaid
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Hawazin W. Elani, Ichiro Kawachi, and Benjamin D. Sommers, "Changes in Emergency Department
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Emanuel Eguia et al., "The Impact of the Affordable Care Act Medicaid Expansion on Vascular
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Mark Clapp et al., "Association of Medicaid Expansion With Coverage and Access to Care for
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Charles A. Daly et al., "The Effects of Medicaid Expansion on Triage and Regional Transfer After
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John Scott et al., "Lifting the Burden: State Medicaid Expansion Reduces Financial Risk for the
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Craig Garthwaite et al., All Medicaid Expansions Are Not Created Equal: The Geography and
Targeting of the Affordable Care Act (National Bureau of Economic Research, Working Paper No. 26289,
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901
Shannon McConville, Maria Raven, Sarah Sabbagh, and Renee Hsia, “Frequent Emergency
Department Users: A Statewide Comparison Before And After Affordable Care Act Implementation,”
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902
Rahul Ladhania, Amelia Haviland, Arvind Venkat, Rahul Telang, and Jesse Pines, “The Effect of
Medicaid Expansion on the Nature of New Enrollees’ Emergency Department Use,Medical Care
Research and Review epub ahead of print (May 2019),
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903
Beatrice D. Probst, Luther Walls, Michael Cirone, and Talar Markossian, "Examining the Effect of the
Affordable Care Act on Two Illinois Emergency Departments," Western Journal of Emergency Medicine:
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904
Kurt Gillis, Physicians’ Patient Mix – A Snapshot from the 2016 Benchmark Survey and Changes
Associated with the ACA (American Medical Association, October 2017), https://www.ama-
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Seth Freedman, Sayeh Nikpay, Aaron Carroll, and Kosali Simon, “Changes in inpatient payer-mix and
hospitalizations following Medicaid expansion: Evidence from all-capture hospital discharge data,” PLoS
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906
Allen Dobson, Joan DaVanzo, Randy Haught, and Phap Hoa Luu, Comparing the Affordable Care
Act’s Financial Impact on Safety-Net Hospitals in States that Expanded Medicaid and Those That Did Not
(The Commonwealth Fund, November 2017),
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907
Richard Lindrooth, Marcelo Perraillon, Rose Hardy, and Gregory Tung, “Understanding the
Relationship Between Medicaid Expansions and Hospital Closures,” Health Affairs epub ahead of print
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908
Heather Angier et al., “Uninsured Primary Care Visit Disparities under the Affordable Care Act,” Annals
of Family Medicine, 15 no. 5 (September 2017): 434-442,
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909
Andrew Loehrer et al., “Association of the Affordable Care Act Medicaid Expansion with Access to and
Quality of Care for Surgical Conditions,” Journal of the American Medical Association Surgery, epub
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910
Sayeh Nikpay, Seth Freedman, Helen Levy, and Tom Buchmueller, “Effect of the Affordable Care Act
Medicaid Expansion on Emergency Department Visits: Evidence From State-Level Emergency
Department Databases,” Annals of Emergency Medicine 70, no.2 (August 2017),
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911
Johanna Maclean and Brendan Saloner, “The Effect of Public Insurance Expansions on Substance
Use Disorder Treatment: Evidence from the Affordable Care Act,” Journal of Policy Analysis and
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912
Monique Barakat et al., “Affordable Care Act and Healthcare Delivery: A Comparison of California and
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Eili Klein et al., “The Effect of Medicaid Expansion on Utilization in Maryland Emergency
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914
Aabha Sharma, Scott Dresden, Emilie Powell, Raymond Kang, Joe Feinglass, “Emergency
Department Visits and Hospitalizations for the Uninsured in Illinois Before and After Affordable Care Act
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915
Vivian Wu et al., “Early Impact of the Affordable Care Act Coverage Expansion on Safety-Net Hospital
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David Dranove, Craig Garthwaite, and Christopher Ody, The Impact of the ACA’s Medicaid Expansion
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917
Fredric Blavin, How Has the ACA Changed Finances for Different Types of Hospitals? Updated
Insights from 2015 Cost Report Data (The Urban Institute, April 2017),
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918
Craig Garthwaite, Tal Gross, Matthew Notowidigdo, and John Graves, “Insurance Expansion and
Hospital Emergency Department Access: Evidence from the Affordable Care Act,” Annals of Internal
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Nathalie Huguet et al., “Medicaid Expansion Produces Long-Term Impact on Insurance Coverage
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Susan Camilleri, “The ACA Medicaid Expansion, Disproportionate Share Hospitals, and
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Natalia Chalmers, Jane Grover, and Rob Compton, “After Medicaid Expansion in Kentucky, Use of
Hospital Emergency Departments for Dental Conditions Increased,” Health Affairs 35, no. 12 (December
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Arkansas Health Reform Legislative Task Force, Health Care Task Force Preliminary Report,
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Arkansas Hospital Association, “Survey Reveals Private Option Impact on Hospitals,” The Notebook
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924
Mary Anderson, Jeffrey Glasheen, and Debra Anoff, “Impact of State Medicaid Expansion Status on
Length of Stay and In-Hospital Mortality for General Medicine Patients at US Academic Medical Centers,”
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925
The University of Michigan Institute for Healthcare Policy & Innovation, The Healthy Michigan Plan:
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926
Laurie Felland, Peter Cunningham, Annie Doubleday, and Cannon Warren, Effects of the Affordable
Care Act on Safety Net Hospitals (Washington, DC: Mathematica Policy Research, prepared for the
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927
Sayeh Nikpay, Thomas Buchmueller, and Helen Levy. “Affordable Care Act Medicaid Expansion
Reduced Uninsured Hospital Stays in 2014,” Health Affairs 35, no.1 (January 2016): 106-110,
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Fred Hellinger, “In Four ACA Expansion States, The Percentage of Uninsured Hospitalizations for
People With HIV Declined, 2012-14,” Health Affairs 34, no. 12 (December 2015): 2061-2068,
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Deborah Bachrach, Patricia Boozang, and Mindy Lipson, The Impact of Medicaid Expansion on
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930
Peter Cunningham, Rachel Garfield, and Robin Rudowitz, How Are Hospitals Faring Under the
Affordable Care Act? Early Experiences from Ascension Health (Washington, DC: Kaiser Commission on
Medicaid and the Uninsured, April 2015), http://kff.org/health-reform/issue-brief/how-are-hospitals-faring-
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931
Thomas DeLeire, Karen Joynt, and Ruth McDonald, Impact of Insurance Expansion on Hospital
Uncompensated Care Costs in 2014 (Office of the Assistant Secretary for Planning and Evaluation,
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Colorado Hospital Association, Impact of Medicaid Expansion on Hospital Volumes (Colorado Hospital
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934
Fredric Blavin, “Association Between the 2014 Medicaid Expansion and US Hospital Finances,” The
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David Dranove, Craig Garthwaite, and Christopher Ody, “Uncompensated Care Decreased At
Hospitals In Medicaid Expansion States But Not At Hospitals In Nonexpansion States,” Health Affairs 35
no. 8 (August 2016): 1471-1479, http://content.healthaffairs.org/content/35/8/1471.full
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Peter Cunningham, Robin Rudowitz, Katherine Young, Rachel Garfield, and Julia Foutz,
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Kaiser Commission on Medicaid and the Uninsured, June 2016), http://kff.org/medicaid/issue-
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937
Christine Jones, Serena Scott, Debra Anoff, Read Pierce, and Jeffrey Glasheen, “Changes in Payer
Mix and Physician Reimbursement After the Affordable Care Act and Medicaid Expansion,” Inquiry: The
Journal of Health Care Organization, Provision, and Financing 52 (August 2015),
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938
Nadia Laniado, Avery R. Brow, Eric Tranby, and Victor M. Badner, "Trends in Non-Traumatic Dental
Emergency Department Use in New York and New Jersey: A Look at Medicaid Expansion from Both
Sides of the Hudson River," Journal of Public Health Dentistry Epub ahead of print (October 2019),
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Deloitte Development LLC, Commonwealth of Kentucky Medicaid Expansion Report, (Deloitte
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files/Kentucky_Medicaid_Expansion_One-Year_Study_FINAL.pdf
940
Robin Rudowitz and Rachel Garfield, New Analysis Shows States with Medicaid Expansion
Experienced Declines in Uninsured Hospital Discharges (Washington, DC: Kaiser Commission on
Medicaid and the Uninsured, September 2015), http://kff.org/health-reform/issue-brief/new-analysis-
shows-states-with-medicaid-expansion-experienced-declines-in-uninsured-hospital-discharges/
941
Jordan Rhodes, Thomas Buchmueller, Helen Levy, and Sayeh Nikpay, “Heterogeneous Effects Of The
Aca Medicaid Expansion On Hospital Financial Outcomes,” Contemporary Economic Policy epub ahead
of print (April 2019), https://onlinelibrary.wiley.com/doi/full/10.1111/coep.12428
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Gary Young, Stephen Flaherty, E. Zepeda, Simone Singh, and Sara Rosenbaum, “Impact of ACA
Medicaid Expansion on Hospitals’ Financial Status” Journal of Healthcare Management 64, no. 2 (March
2019): 91102, https://insights.ovid.com/crossref?an=00115514-201904000-00007
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Nathalie Huguet et al., “The Impact of the Affordable Care Act (ACA) Medicaid Expansion on Visit
Rates for Diabetes in Safety Net Health Centers,” Journal of the American Board of Family Medicine 31,
no. 6 (November 2018): 905-916, https://www.jabfm.org/content/31/6/905.full
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Susan Dorr Goold et al., “Primary Care Clinicians’ Views About the Impact of Medicaid Expansion in
Michigan: A Mixed Methods Study,” Journal of General Internal Medicine 33, no. 8 (June 2018): 1307-
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Pennsylvania Department of Human Services, Medicaid Expansion Report, (Pennsylvania Department
of Human Services, January 2017),
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Megan Cole, Brad Wright, Ira Wilson, Omar Gallarraga, and Amal Trivedi, “Medicaid Expansion And
Community Health Centers: Care Quality And Service Use Increased For Rural Patients” Health Affairs
37, no. 6 (June 2018), https://www.healthaffairs.org/doi/pdf/10.1377/hlthaff.2017.1542
947
Mark Duggan, Atul Gupta, and Emilie Jackson, The Impact of the Affordable Care Act: Evidence from
California's Hospital Sector (National Bureau of Economic Research, working paper no. 25488, January
2019), https://www.nber.org/papers/w25488.pdf
948
Sara Rosenbaum, Jennifer Tolbert, Jessica Sharac, Peter Shin, Rachel Gunsalus, and Julia Zur,
Community Health Centers: Growing Importance in a Changing Health Care System (Washington, DC:
Kaiser Family Foundation, March 2018), https://www.kff.org/medicaid/issue-brief/community-health-
centers-growing-importance-in-a-changing-health-care-system/
949
Michel Boudreaux, Yoon Choi, Liyang Xie, and Daniel Marthey, “Medicaid Expansion at Title X Clinics:
Client Volume, Payer Mix, and Contraceptive Method Type,” Medical Care epub ahead of print (April
2019), https://www.ncbi.nlm.nih.gov/pubmed/30973473
950
Christina Andrews et al., “Medicaid Coverage In Substance Use Disorder Treatment After The
Affordable Care Act,” Journal of Substance Abuse Treatment epub ahead of print (April 2019),
https://www.sciencedirect.com/science/article/pii/S0740547218305750
951
Jesse Pines, Rahul Ladhania BTech, Bernard Black , Christopher Corbit, Jestin Carlson, and Arvind
Venkat, “Changes in Reimbursement to Emergency Physicians After Medicaid Expansion Under the
Patient Protection and Affordable Care Act,” Annals of Emergency Medicine 73, no. 3 (March 2019): 213-
224, https://www.sciencedirect.com/science/article/pii/S019606441831374X
952
Heather Angier et al., “Racial/Ethnic Disparities in Health Insurance and Differences in Visit Type for a
Population of Patients with Diabetes after Medicaid Expansion” Journal of Health Care for the Poor and
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953
Gary Pickens et al., “Changes In Hospital Service Demand, Cost, And Patient Illness Severity
Following Health Reform,” Health Services Research (May 2019), https://doi.org/10.1111/1475-
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954
Neal Bhutiani, Brian Harbrecht, Charles Scoggins, and Matthew Bozeman, “Evaluating The Early
Impact Of Medicaid Expansion On Trends In Diagnosis And Treatment Of Benign Gallbladder Disease In
Kentucky,” The American Journal of Surgery (January 2019),
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955
Brendan Saloner, Sachini Bandara, Emma McGinty, and Colleen Barry, “Justice-Involved Adults With
Substance Use Disorders: Coverage Increased but Rates of Treatment Did Not in 2014,” Health Affairs
35 no. 6 (June 2016), https://www.healthaffairs.org/doi/abs/10.1377/hlthaff.2016.0005
956
Brendan Saloner, Sachini Bandara, Emma McGinty, and Colleen Barry, “Justice-Involved Adults With
Substance Use Disorders: Coverage Increased but Rates of Treatment Did Not in 2014,” Health Affairs
35 no. 6 (June 2016), https://www.healthaffairs.org/doi/abs/10.1377/hlthaff.2016.0005
957
Ehimare Akhabue, Lindsay Pool, Clyde Yancy, Philip Greenland, and Donald Lloyd-Jones,
“Association of State Medicaid Expansion With Rate of Uninsured Hospitalizations for Major
Cardiovascular Events, 2009-2014,” JAMA Network Open 1, no. 4 (August 2018),
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958
Manzilat Akande Peter Minneci, Katherine Deans, Henry Xiang, and Jennifer Cooper, “Association of
Medicaid Expansion Under the Affordable Care Act With Outcomes and Access to Rehabilitation in
Young Adult Trauma Patients,” JAMA Surgery 153, no. 8 (August 2018),
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959
Cheryl Zogg et al., “Impact of Affordable Care Act Insurance Expansion on Pre-Hospital Access to
Care: Changes in Adult Perforated Appendix Admission Rates after Medicaid Expansion and the
Dependent Coverage Provision,” Journal of the American College of Surgeons 228, no. 1 (January 2019):
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Cheryl Zogg et al., “Association of Medicaid Expansion With Access to Rehabilitative Care in Adult
Trauma Patients,” JAMA Surgery epub ahead of print (January 2019),
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Rishi Wadhera et al., “Association of State Medicaid Expansion With Quality of Care and Outcomes for
Low-Income Patients Hospitalized With Acute Myocardial Infarction,” JAMA Cardiology 4, no. 2 (January
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abstract/2720425?utm_campaign=articlePDF&utm_medium=articlePDFlink&utm_source=articlePDF&utm
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Angelica Meinhofer and Allison Witman, “The Role Of Health Insurance On Treatment For Opioid Use
Disorders: Evidence From The Affordable Care Act Medicaid Expansion,” Journal of Health Economics 60
(June 2018): 177-197, https://www.sciencedirect.com/science/article/abs/pii/S0167629617311530
963
Favel Mondesir et al., “Medicaid Expansion and Hospitalization for Ambulatory CareSensitive
Conditions Among Nonelderly Adults With Diabetes,” Journal of Ambulatory Care Management epub
ahead of print (May 2019), https://insights.ovid.com/pubmed?pmid=31107800
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Xinxin Han, Quian Luo, and Leighton Ku, “Medicaid Expansion and Grant Funding Increases Helped
Improve Community Health Center Capacity,” Health Affairs 36 no. 1 (January 2017): 49-56,
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Josh Gray, Iyue Sung, and Stewart Richardson, Observations on the Affordable Care Act: 2014
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Gary Pickens et al., “Changes in Hospital Inpatient Utilization Following Health Care Reform,” Health
Services Research epub ahead of print (June 2017), https://www.ncbi.nlm.nih.gov/pubmed/28664983
967
Megan Hoopes, Heather Angier, Rachel Gold, Steffani Bailey, Nathalie Huguet, Miguel Marino, and
Jennifer DeVoe, “Utilization of Community Health Centers in Medicaid Expansion and Nonexpansion
States, 2013-2014,” Journal of Ambulatory Care Management 39 no. 4 (October 2016): 290-298,
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Peter Shin, Jessica Sharac, Julia Zur, Sara Rosenbaum, and Julia Paradise, Health Center Patient
Trends, Enrollment Activities, and Service Capacity: Recent Experience in Medicaid Expansion and Non-
Expansion States (Washington, DC: Kaiser Commission on Medicaid and the Uninsured, December
2015), http://kff.org/medicaid/issue-brief/health-center-patient-trends-enrollment-activities-and-service-
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969
Steven Wallace, Maria-Elena Young, Michael Rodriguez, Amy Bonilla, and Nadereh Pourat,
Community Health Centers Play a Critical Role in Caring for the Remaining Uninsured in the Affordable
Care Act Era (UCLA Center for Health Policy Research, October 2016),
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970
Jesse M. Pines, Mark Zocchi, Ali Moghtaderi, Bernard Black, Steven A. Farmer, Greg Hufstetler, Kevin
Klauer and Randy Pilgrim, “Medicaid Expansion In 2014 Did Not Increase Emergency Department Use
But Did Change Insurance Payer Mix,” Health Affairs 35, no. 8 (August 2016),
http://content.healthaffairs.org/content/35/8/1480.full
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Mathew Davis, Achamyeleh Gebremariam, John Ayanian, “Changes in Insurance Coverage Among
Hospitalized Nonelderly Adults After Medicaid Expansion in Michigan,” The Journal of the American
Medical Association 315 no. 23 (June 2016): 2617-2618,
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Brystana Kaufman, Kristin Reiter, George Pink, and George Holmes, “Medicaid Expansion Affects
Rural and Urban Hospitals Differently,” Health Affairs 35 no. 9 (September 2016): 1665-1672,
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973
Eric Charles et al., “Impact of Medicaid Expansion on Cardiac Surgery Volume and Outcomes,” The
Annals of Thoracic Surgery (June 2017), http://www.annalsthoracicsurgery.org/article/S0003-
4975(17)30552-0/pdf
974
Megan Cole, Omar Galarraga, Ira Wilson, Brad Wright, and Amal Trivedi, “At Federally Funded Health
Centers, Medicaid Expansion was Associated with Improved Quality of Care,” Health Affairs 36 no. 1
(January 2017): 40-48, http://content.healthaffairs.org/content/36/1/40.full?sid=a3089120-6f4b-428b-
bba8-5f005b444e19
975
Stephen Berry et al., “Healthcare Coverage for HIV Provider Visits before and after Implementation of
the Affordable Care Act,” Clinical Infectious Diseases, (May 2016),
http://www.ncbi.nlm.nih.gov/pubmed/27143660
976
Ramiro Manzano-Nunez et al., “Association of Medicaid Expansion Policy with Outcomes in Homeless
Patients Requiring Emergency General Surgery,” World Journal of Surgery 43, no. 6 (June 2019): 1483-
1489, https://link.springer.com/article/10.1007/s00268-019-04932-0
977
Craig Garthwaite et al., All Medicaid Expansions Are Not Created Equal: The Geography and
Targeting of the Affordable Care Act (National Bureau of Economic Research, Working Paper No. 26289,
September 2019), http://www.nber.org/papers/w26289
978
Alexander T. Janke, Shooshan Danagoulian, Arjun K. Venkatesh, and Phillip D. Levy, "Medicaid
Expansion and Resource Utilization in the Emergency Department," The American Journal of Emergency
Medicine Epub ahead of print (January 2020), https://doi.org/10.1016/j.ajem.2019.12.050
979
Hawazin W. Elani, Ichiro Kawachi, and Benjamin D. Sommers, "Changes in Emergency Department
Dental Visits after Medicaid Expansion," Health Services Research Epub ahead of print (January 2020),
https://doi.org/10.1111/1475-6773.13261
980
Beatrice D. Probst, Luther Walls, Michael Cirone, and Talar Markossian, "Examining the Effect of the
Affordable Care Act on Two Illinois Emergency Departments," Western Journal of Emergency Medicine:
Integrating Emergency Care with Population Health 20, no. 5 (September 2019): 710-716,
https://doi.org/10.5811/westjem.2019.6.41943
981
Shannon McConville, Maria Raven, Sarah Sabbagh, and Renee Hsia, “Frequent Emergency
Department Users: A Statewide Comparison Before And After Affordable Care Act Implementation,”
Health Affairs 37, no. 6, (June 2018), https://www.healthaffairs.org/doi/10.1377/hlthaff.2017.0784
982
Sayeh Nikpay, Seth Freedman, Helen Levy, and Tom Buchmueller, “Effect of the Affordable Care Act
Medicaid Expansion on Emergency Department Visits: Evidence From State-Level Emergency
Department Databases,” Annals of Emergency Medicine 70, no.2 (August 2017),
http://www.annemergmed.com/article/S0196-0644(17)30319-0/pdf
983
Monique Barakat et al., “Affordable Care Act and Healthcare Delivery: A Comparison of California and
Florida Hospitals and Emergency Departments,” PLoS ONE 12 no. 8 (August 2017),
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0182346
984
Rahul Ladhania, Amelia Haviland, Arvind Venkat, Rahul Telang, and Jesse Pines, “The Effect of
Medicaid Expansion on the Nature of New Enrollees’ Emergency Department Use,” Medical Care
Research and Review epub ahead of print (May 2019),
https://journals.sagepub.com/doi/abs/10.1177/1077558719848270
985
Jesse M. Pines, Mark Zocchi, Ali Moghtaderi, Bernard Black, Steven A. Farmer, Greg Hufstetler, Kevin
Klauer and Randy Pilgrim, “Medicaid Expansion In 2014 Did Not Increase Emergency Department Use
But Did Change Insurance Payer Mix,” Health Affairs 35, no. 8 (August 2016),
http://content.healthaffairs.org/content/35/8/1480.full
986
Craig Garthwaite, Tal Gross, Matthew Notowidigdo, and John Graves, “Insurance Expansion and
Hospital Emergency Department Access: Evidence from the Affordable Care Act,” Annals of Internal
Medicine 166 no. 3 (February 2017): 172-179, http://annals.org/aim/article/2593599/insurance-expansion-
hospital-emergency-department-access-evidence-from-affordable-care
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
92
987
Eili Klein et al., “The Effect of Medicaid Expansion on Utilization in Maryland Emergency
Departments,” Annals of Emergency Medicine epub ahead of print (June 2017),
http://www.annemergmed.com/article/S0196-0644(17)30784-9/pdf
988
Aabha Sharma, Scott Dresden, Emilie Powell, Raymond Kang, Joe Feinglass, “Emergency
Department Visits and Hospitalizations for the Uninsured in Illinois Before and After Affordable Care Act
Insurance Expansion,” Journal of Community Health 42 no. 3 (June 2017): 591-597,
https://link.springer.com/article/10.1007/s10900-016-0293-4
989
Gary Pickens et al., “Changes In Hospital Service Demand, Cost, And Patient Illness Severity
Following Health Reform,” Health Services Research (May 2019), https://doi.org/10.1111/1475-
6773.13165
990
Jesse Pines, Rahul Ladhania BTech, Bernard Black , Christopher Corbit, Jestin Carlson, and Arvind
Venkat, “Changes in Reimbursement to Emergency Physicians After Medicaid Expansion Under the
Patient Protection and Affordable Care Act,” Annals of Emergency Medicine 73, no. 3 (March 2019): 213-
224, https://www.sciencedirect.com/science/article/pii/S019606441831374X
991
Johanna Maclean and Brendan Saloner, “The Effect of Public Insurance Expansions on Substance
Use Disorder Treatment: Evidence from the Affordable Care Act,” Journal of Policy Analysis and
Management 38, no. 2 (2019): 366-393, https://www.ncbi.nlm.nih.gov/pubmed/30882195
992
Christina Andrews et al., “Medicaid Coverage In Substance Use Disorder Treatment After The
Affordable Care Act,” Journal of Substance Abuse Treatment epub ahead of print (April 2019),
https://www.sciencedirect.com/science/article/pii/S0740547218305750
993
Ramin Mojtabai, Christine Mauro, Melanie Wall, Colleen Barry, and Mark Olfson, “The Affordable Care
Act and Opioid Agonist Therapy for Opioid Use Disorder,” Psychiatry Online (April 2019),
https://doi.org/10.1176/appi.ps.201900025
994
Angelica Meinhofer and Allison Witman, “The Role Of Health Insurance On Treatment For Opioid Use
Disorders: Evidence From The Affordable Care Act Medicaid Expansion,” Journal of Health Economics 60
(June 2018): 177-197, https://www.sciencedirect.com/science/article/abs/pii/S0167629617311530
995
Brendan Saloner, Sachini Bandara, Emma McGinty, and Colleen Barry, “Justice-Involved Adults With
Substance Use Disorders: Coverage Increased but Rates of Treatment Did Not in 2014,” Health Affairs
35 no. 6 (June 2016), https://www.healthaffairs.org/doi/abs/10.1377/hlthaff.2016.0005
996
Mark Clapp et al., "Association of Medicaid Expansion With Coverage and Access to Care for
Pregnant Women," Obstetrics & Gynecology 134, no. 5 (November 2019): 1066-1074,
https://doi.org/10.1097/aog.0000000000003501
997
Rishi Wadhera et al., “Association of the Affordable Care Act’s Medicaid Expansion With Care Quality
and Outcomes for Low-Income Patients Hospitalized With Heart Failure,” Circulation: Cardiovascular
Quality and Outcomes 11, no. 7 (June 2018),
https://www.ahajournals.org/doi/10.1161/CIRCOUTCOMES.118.004729
998
Emanuel Eguia et al., "The Impact of the Affordable Care Act Medicaid Expansion on Vascular
Surgery," Annals of Vascular Surgery Epub ahead of print (January 2020),
https://doi.org/10.1016/j.avsg.2020.01.006
999
Donald Likosky, Devraj Sukul, Milan Seth, Chang He, Hitlander Gurm, and Richard Prager, “The
Association Between Medicaid Expansion and Cardiovascular Interventions: The Michigan Experience,”
Journal of the American College of Cardiology 71, no. 9 (March 2018): 1050-1051,
https://www.sciencedirect.com/science/article/pii/S0735109718300056?via%3Dihub
1000
Rishi Wadhera et al., “Association of State Medicaid Expansion With Quality of Care and Outcomes
for Low-Income Patients Hospitalized With Acute Myocardial Infarction,” JAMA Cardiology 4, no. 2
(January 2019): 120-127, https://jamanetwork.com/journals/jamacardiology/article-
abstract/2720425?utm_campaign=articlePDF&utm_medium=articlePDFlink&utm_source=articlePDF&utm
_content=jamacardio.2018.4577
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
93
1001
Andrew Crocker et al., “Expansion Coverage And Preferential Utilization Of Cancer Surgery Among
Racial And Ethnic Minorities And Low-Income Groups,” Surgery epub ahead of print (June 2019),
https://www.surgjournal.com/article/S0039-6060(19)30198-9/fulltext
1002
Ehimare Akhabue, Lindsay Pool, Clyde Yancy, Philip Greenland, and Donald Lloyd-Jones,
“Association of State Medicaid Expansion With Rate of Uninsured Hospitalizations for Major
Cardiovascular Events, 2009-2014,” JAMA Network Open 1, no. 4 (August 2018),
https://jamanetwork.com/journals/jamanetworkopen/article-abstract/2698077
1003
Favel Mondesir et al., “Medicaid Expansion and Hospitalization for Ambulatory CareSensitive
Conditions Among Nonelderly Adults With Diabetes,” Journal of Ambulatory Care Management epub
ahead of print (May 2019), https://insights.ovid.com/pubmed?pmid=31107800
1004
Andrew Loehrer et al., “Association of the Affordable Care Act Medicaid Expansion with Access to
and Quality of Care for Surgical Conditions,” Journal of the American Medical Association Surgery, epub
ahead of print (January 2018), https://jamanetwork.com/journals/jamasurgery/article-
abstract/2670459?redirect=true
1005
Cheryl Zogg et al., “Impact of Affordable Care Act Insurance Expansion on Pre-Hospital Access to
Care: Changes in Adult Perforated Appendix Admission Rates after Medicaid Expansion and the
Dependent Coverage Provision,” Journal of the American College of Surgeons 228, no. 1 (January 2019):
29-43, https://www.journalacs.org/article/S1072-7515(18)32078-7/fulltext
1006
Andrew Admon, Michael Sjoding, Sarah Lyon, John Ayanian, Theodore Iwashyna, and Colin Cooke,
“Medicaid Expansion and Mechanical Ventilation in Asthma, Chronic Obstructive Pulmonary Disease, and
Heart Failure,” Annals of the American Thoracic Society epub ahead of print (February 2019),
https://www.atsjournals.org/doi/pdf/10.1513/AnnalsATS.201811-777OC
1007
John Scott et al., "Lifting the Burden: State Medicaid Expansion Reduces Financial Risk for the
Injured," Journal of Trauma and Acute Care Surgery Epub ahead of print (September 2019),
https://doi.org/10.1097/ta.0000000000002493
1008
Charles A. Daly et al., "The Effects of Medicaid Expansion on Triage and Regional Transfer After
Upper-Extremity Trauma," The Journal of Hand Surgery 44, no. 9 (September 2019): 720-727,
https://doi.org/10.1016/j.jhsa.2019.05.020
1009
Cheryl Zogg et al., “Association of Medicaid Expansion With Access to Rehabilitative Care in Adult
Trauma Patients,” JAMA Surgery epub ahead of print (January 2019),
https://jamanetwork.com/journals/jamasurgery/article-
abstract/2719270?utm_campaign=articlePDF&utm_medium=articlePDFlink&utm_source=articlePDF&utm
_content=jamasurg.2018.5177
1010
Manzilat Akande Peter Minneci, Katherine Deans, Henry Xiang, and Jennifer Cooper, “Association of
Medicaid Expansion Under the Affordable Care Act With Outcomes and Access to Rehabilitation in
Young Adult Trauma Patients,” JAMA Surgery 153, no. 8 (August 2018),
https://jamanetwork.com/journals/jamasurgery/article-
abstract/2682872?widget=personalizedcontent&previousarticle=2719270
1011
Neal Bhutiani, Brian Harbrecht, Charles Scoggins, and Matthew Bozeman, “Evaluating The Early
Impact Of Medicaid Expansion On Trends In Diagnosis And Treatment Of Benign Gallbladder Disease In
Kentucky,” The American Journal of Surgery (January 2019),
https://www.americanjournalofsurgery.com/article/S0002-9610(18)30894-8/fulltext
1012
Emanuel Eguia et al., “Impact of the Affordable Care Act (ACA) Medicaid Expansion on Cancer
Admissions and Surgeries,” Annals of Surgery 268, no. 4 (October 2018): 584-590,
https://journals.lww.com/annalsofsurgery/Abstract/2018/10000/Impact_of_the_Affordable_Care_Act__AC
A__Medicaid.6.aspx
1013
J.W. Awori Hayanga et al., “Lung Transplantation and Affordable Care Act Medicaid Expansion in the
Era of Lung Allocation Score” Transplant International epub ahead of print (February 2019),
https://onlinelibrary.wiley.com/doi/pdf/10.1111/tri.13420
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
94
1014
Meera Harhay et al., “Association between Medicaid Expansion under the Affordable Care Act and
Preemptive Listings for Kidney Transplantation,” Clinical Journal of the American Society of Nephrology
13 (July 2018), https://cjasn.asnjournals.org/content/13/7/1069
1015
Meera N. Harhay, Ryan M. McKenna, and Michael O. Harhay, "Association Between Medicaid
Expansion Under the Affordable Care Act and Medicaid-Covered Pre-emptive Kidney Transplantation,"
Journal of General Internal Medicine 34, no. 11 (November 2019): 2322-2325,
https://doi.org/10.1007/s11606-019-05279-x
1016
Dmitry Tumin et al., “Medicaid Participation among Liver Transplant Candidates after the Affordable
Care Act Medicaid Expansion” Journal of the American College of Surgeons 225, no. 2 (August 2017):
173-180.e2, https://www.journalacs.org/article/S1072-7515(17)30454-4/fulltext
1017
Dmitry Tumin, Don Hayes Jr., Kenneth Washburn, Joseph Tobias, and Sylvester Black, “Medicaid
Enrollment after Liver Transplantation: Effects of Medicaid Expansion,” Liver Transplantation (May 2016),
https://aasldpubs.onlinelibrary.wiley.com/doi/full/10.1002/lt.24480
1018
Ramiro Manzano-Nunez et al., “Association of Medicaid Expansion Policy with Outcomes in
Homeless Patients Requiring Emergency General Surgery,” World Journal of Surgery 43, no. 6 (June
2019): 1483-1489, https://link.springer.com/article/10.1007/s00268-019-04932-0
1019
Susan Camilleri, “The ACA Medicaid Expansion, Disproportionate Share Hospitals, and
Uncompensated Care” Health Services Research epub ahead of print (May 2017),
http://onlinelibrary.wiley.com/doi/10.1111/1475-6773.12702/abstract
1020
Jordan Rhodes, Thomas Buchmueller, Helen Levy, and Sayeh Nikpay, “Heterogeneous Effects Of
The Aca Medicaid Expansion On Hospital Financial Outcomes,” Contemporary Economic Policy epub
ahead of print (April 2019), https://onlinelibrary.wiley.com/doi/full/10.1111/coep.12428
1021
Tyler McClintock, Ye Wang, Mahek Shah, Benjamin Chung, and Steven Chang, “How Have Hospital
Pricing Practices for Surgical Episodes of Care Responded to Affordable Care Act-Related Medicaid
Expansion?Urology 125 (March 2019): 79-85, https://doi.org/10.1016/j.urology.2018.10.034
1022
Brystana Kaufman, Kristin Reiter, George Pink, and George Holmes, “Medicaid Expansion Affects
Rural and Urban Hospitals Differently,” Health Affairs 35 no. 9 (September 2016): 1665-1672,
http://content.healthaffairs.org/content/35/9/1665.full?sid=4aea494e-8e02-4c66-8298-3c828bfc313b
1023
Charles A. Daly et al., "The Effects of Medicaid Expansion on Triage and Regional Transfer After
Upper-Extremity Trauma," The Journal of Hand Surgery 44, no. 9 (September 2019): 720-727,
https://doi.org/10.1016/j.jhsa.2019.05.020
1024
Michael McCue, “The Impact of Medicaid Expansion on Medicaid Focused Insurers in California,”
Inquiry: The Journal of Health Care Organization, Provision, and Financing 52 (July 2015),
http://inq.sagepub.com/content/52/0046958015595960.full.pdf+html
1025
Steven Wallace, Maria-Elena Young, Michael Rodriguez, Amy Bonilla, and Nadereh Pourat,
Community Health Centers Play a Critical Role in Caring for the Remaining Uninsured in the Affordable
Care Act Era (UCLA Center for Health Policy Research, October 2016),
http://healthpolicy.ucla.edu/publications/Documents/PDF/2016/FQHC_PB-oct2016.pdf
1026
Matt Warfield, Barbara DiPietro, and Samantha Artiga, How has the ACA Medicaid Expansion
Affected Providers Serving the Homeless Population: Analysis of Coverage, Revenues, and Costs
(Washington, DC: Kaiser Commission on Medicaid and the Uninsured, March 2016),
http://files.kff.org/attachment/issue-brief-how-has-the-aca-medicaid-expansion-affected-providers-serving-
the-homeless-population
1027
Jane Wishner, Patricia Solleveld, Robin Rudowitz, Julia Paradise, and Larisa Antonisse, A Look at
Rural Hospital Closures and Implications for Access to Care: Three Case Studies (Washington, DC:
Kaiser Commission on Medicaid and the Uninsured and The Urban Institute, July 2016),
http://kff.org/medicaid/issue-brief/a-look-at-rural-hospital-closures-and-implications-for-access-to-care/
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
95
1028
Laurie Felland, Peter Cunningham, Annie Doubleday, and Cannon Warren, Effects of the Affordable
Care Act on Safety Net Hospitals (Washington, DC: Mathematica Policy Research, prepared for the
Assistant Secretary for Planning and Evaluation, November 2016),
https://aspe.hhs.gov/sites/default/files/pdf/255491/SafetyNetHospital.pdf
1029
Rachel Garfield, Elizabeth Hinton, Elizabeth Cornachione, and Cornelia Hall, Medicaid Managed Care
Plans and Access to Care: Results from the Kaiser Family Foundation 2017 Survey of Medicaid Managed
Care Plans (Washington, DC: Kaiser Family Foundation, March 2018),
https://www.kff.org/medicaid/report/medicaid-managed-care-plans-and-access-to-care-results-from-the-
kaiser-family-foundation-2017-survey-of-medicaid-managed-care-plans
1030
Richard Lindrooth, Marcelo Perraillon, Rose Hardy, and Gregory Tung, “Understanding the
Relationship Between Medicaid Expansions and Hospital Closures,” Health Affairs epub ahead of print
(January 2018), https://www.healthaffairs.org/doi/abs/10.1377/hlthaff.2017.0976
1031
Allen Dobson, Joan DaVanzo, Randy Haught, and Phap Hoa Luu, Comparing the Affordable Care
Act’s Financial Impact on Safety-Net Hospitals in States that Expanded Medicaid and Those That Did Not
(The Commonwealth Fund, November 2017),
http://www.commonwealthfund.org/~/media/files/publications/issue-
brief/2017/nov/dobson_impact_medicaid_expanion_safety_net_hosps_ib.pdf
1032
Jordan Rhodes, Thomas Buchmueller, Helen Levy, and Sayeh Nikpay, “Heterogeneous Effects Of
The Aca Medicaid Expansion On Hospital Financial Outcomes,” Contemporary Economic Policy epub
ahead of print (April 2019), https://onlinelibrary.wiley.com/doi/full/10.1111/coep.12428
1033
Fredric Blavin, How Has the ACA Changed Finances for Different Types of Hospitals? Updated
Insights from 2015 Cost Report Data (The Urban Institute, April 2017),
http://www.rwjf.org/content/dam/farm/reports/issue_briefs/2017/rwjf436310
1034
Mark Duggan, Atul Gupta, and Emilie Jackson, The Impact of the Affordable Care Act: Evidence from
California's Hospital Sector (National Bureau of Economic Research, working paper no. 25488, January
2019), https://www.nber.org/papers/w25488.pdf
1035
Peter Cunningham, Rachel Garfield, and Robin Rudowitz, How Are Hospitals Faring Under the
Affordable Care Act? Early Experiences from Ascension Health (Washington, DC: Kaiser Commission on
Medicaid and the Uninsured, April 2015), http://kff.org/health-reform/issue-brief/how-are-hospitals-faring-
under-the-affordable-care-act-early-experiences-from-ascension-health/
1036
Peter Cunningham, Rachel Garfield, and Robin Rudowitz, How Are Hospitals Faring Under the
Affordable Care Act? Early Experiences from Ascension Health (Washington, DC: Kaiser Commission on
Medicaid and the Uninsured, April 2015), http://kff.org/health-reform/issue-brief/how-are-hospitals-faring-
under-the-affordable-care-act-early-experiences-from-ascension-health/
1037
Rachel Garfield, Elizabeth Hinton, Elizabeth Cornachione, and Cornelia Hall, Medicaid Managed Care
Plans and Access to Care: Results from the Kaiser Family Foundation 2017 Survey of Medicaid Managed
Care Plans (Washington, DC: Kaiser Family Foundation, March 2018),
https://www.kff.org/medicaid/report/medicaid-managed-care-plans-and-access-to-care-results-from-the-
kaiser-family-foundation-2017-survey-of-medicaid-managed-care-plans
1038
Hefei Wen, Kenton J. Johnston, Lindsay Allen, and Teresa M. Waters, "Medicaid Expansion
Associated With Reductions In Preventable Hospitalizations," Health Affairs 38, no. 11 (November 2019):
1845-1849, https://doi.org/10.1377/hlthaff.2019.00483
1039
Ramiro Manzano-Nunez et al., “Association of Medicaid Expansion Policy with Outcomes in
Homeless Patients Requiring Emergency General Surgery,” World Journal of Surgery 43, no. 6 (June
2019): 1483-1489, https://link.springer.com/article/10.1007/s00268-019-04932-0
1040
Elizabeth A. Brown et al., "The Impact of the ACA Medicaid Expansion on Access to Care and
Hospitalization Charges for Lupus Patients," Arthritis Care & Research Epub ahead of print (September
2019), https://doi.org/10.1002/acr.24080
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
96
1041
Emanuel Eguia et al., "The Impact of the Affordable Care Act (ACA) Medicaid Expansion on Access
to Minimally Invasive Surgical Care," The American Journal of Surgery Epub ahead of print (July 2019),
https://doi.org/10.1016/j.amjsurg.2019.07.003
1042
Gary Young, Stephen Flaherty, E. Zepeda, Simone Singh, and Sara Rosenbaum, “Impact of ACA
Medicaid Expansion on Hospitals’ Financial Status” Journal of Healthcare Management 64, no. 2 (March
2019): 91102, https://insights.ovid.com/crossref?an=00115514-201904000-00007
1043
James Richardson, Jared Llorens, and Roy Heidelberg, Medicaid Expansion and the Louisiana
Economy (Louisiana Department of Health, March 2018),
http://gov.louisiana.gov/assets/MedicaidExpansion/MedicaidExpansionStudy.pdf
1044
James A. Richardson, Jared J. Llorens, and Roy L. Heidelberg. Medicaid Expansion and the
Louisiana Economy, 2018 and 2019 (Louisiana Department of Health, Prepared by Louisiana State
University, August 2019),
http://ldh.la.gov/assets/media/3and4.2019FinalReportMedicaidExpansionstudy.pdf
1045
Deloitte Development LLC, Commonwealth of Kentucky Medicaid Expansion Report, (Deloitte
Development LLC, February 2015), http://jointhehealthjourney.com/images/uploads/channel-
files/Kentucky_Medicaid_Expansion_One-Year_Study_FINAL.pdf
1046
The Colorado Health Foundation, Assessing the Economic and Budgetary Impact of Medicaid
Expansion in Colorado, (The Colorado Health Foundation, March 2016),
https://www.coloradohealth.org/sites/default/files/documents/2017-
01/Medicaid_ExecutiveSummary_ONLINE.pdf
1047
John Ayanian, Gabriel Ehrlich, Donald Grimes, and Helen Levy, “Economic Effects of Medicaid
Expansion in Michigan,” The New England Journal of Medicine epub ahead of print (January 2017),
http://www.nejm.org/doi/full/10.1056/NEJMp1613981
1048
Aparna Soni, Marguerite Burns, Laura Dague, and Kosali Simon, “Medicaid Expansion and State
Trends in Supplemental Security Income Program Participation,” Health Affairs 36 no. 8, (August 2017):
1485-1488, http://content.healthaffairs.org/content/36/8/1485.full?sid=982b20c0-0a17-4dc4-a35a-
b0302d4ec289
1049
Renuka Tipirneni et al., "Association of Medicaid Expansion With Enrollee Employment and Student
Status in Michigan," JAMA Network Open 3, no. 1 (January 2020),
https://doi.org/10.1001/jamanetworkopen.2019.20316
1050
Thomas C. Buchmueller, Helen G. Levy, and Robert G. Valletta, Medicaid Expansion and the
Unemployed (National Bureau of Economic Research, Working Paper No. 26553, December 2019),
http://www.nber.org/papers/w26553
1051
Jean Hall, Adele Shartzer, Noelle Kurth, and Kathleen Thomas, “Medicaid Expansion as an
Employment Incentive Program for People With Disabilities,” American Journal of Public Health epub
ahead of print (July 2018), https://ajph.aphapublications.org/doi/pdf/10.2105/AJPH.2018.304536
1052
Kevin Callison and Paul Sicilian, “Economic Freedom and the Affordable Care Act: Medicaid
Expansions and Labor Mobility by Race and Ethnicity,” Public Finance Review 46, no. 2 (March 2018),
https://journals.sagepub.com/doi/abs/10.1177/1091142116668254
1053
Bryce Ward and Brandon Bridge, The Economic Impact of Medicaid Expansion in Montana: Updated
Findings (Bureau of Business and Economic Research, January 2019), https://mthcf.org/wp-
content/uploads/2019/01/Economic-Impact-of-MedEx-in-MT_1.28.19-FINAL.pdf
1054
The Ohio Department of Medicaid, 2018 Ohio Medicaid Group VIII Assessment: A Follow
Up to the
2016 Ohio Medicaid Group VIII Assessment, (The Ohio Department of Medicaid, August 2018),
https://medicaid.ohio.gov/Portals/0/Resources/Reports/Annual/Group-VIII-Final-Report.pdf
An older version of this Ohio report (see citation below) found that as of 2016, 74.8% of expansion
enrollees who were unemployed but looking for work reported that Medicaid enrollment made it easier to
The Effects of Medicaid Expansion under the ACA: Updated Findings from a Literature Review
97
seek employment and 52.1% of expansion enrollees who were employed reported that Medicaid
enrollment made it easier to continue working.
The Ohio Department of Medicaid, Ohio Medicaid Group VIII Assessment: A Report to the Ohio General
Assembly (The Ohio Department of Medicaid, January 2017),
https://medicaid.ohio.gov/Portals/0/Resources/Reports/Annual/Group-VIII-Assessment.pdf
1055
Renuka Tipirneni et al., “Changes in Health and Ability to Work Among Medicaid Expansion
Enrollees: a Mixed Methods Study” Journal of General Internal Medicine 34, no. 2 (February 2019): 272-
280, https://link.springer.com/article/10.1007/s11606-018-4736-8
1056
Susan Dorr Goold et al., “Primary Care Clinicians’ Views About the Impact of Medicaid Expansion in
Michigan: A Mixed Methods Study,” Journal of General Internal Medicine 33, no. 8 (June 2018): 1307-
1316, https://link.springer.com/article/10.1007/s11606-018-4487-6
1057
Renuka Tipirneni et al., "Association of Expanded Medicaid Coverage With Health and Job-Related
Outcomes Among Enrollees With Behavioral Health Disorders," Psychiatric Services Epub ahead of print
(September 2019), https://doi.org/10.1176/appi.ps.201900179
1058
Heeju Sohn and Stefan Timmermans, “Social Effects of Health Care Reform: Medicaid Expansion
under the Affordable Care Act and Changes in Volunteering,” Socius: Socialogical Research for a
Dynamic World 3 (March 2017): 1-12, http://journals.sagepub.com/doi/full/10.1177/2378023117700903
1059
Lizhong Peng, Xiaohui Guo, and Chad D. Meyerhoefer, "The Effects of Medicaid Expansion on Labor
Market Outcomes: Evidence from Border Counties," Health Economics Epub ahead of print (December
2019), https://doi.org/10.1002/hec.3976
1060
Olga Scrivner et al., "Job Postings in the Substance Use Disorder Treatment Related Sector During
the First Five Years of Medicaid Expansion," PLoS One 15, no. 1 (January 2020),
https://doi.org/10.1371/journal.pone.0228394
1061
Lucie Schmidt, Lara Shore-Sheppard, and Tara Watson, The Impact of the ACA Medicaid Expansion
on Disability Program Applications (National Bureau of Economic Research, Working Paper No. 26192,
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