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The ACA Marketplace

2025 KFF Marketplace Enrollees Survey

About one in three ACA enrollees said they would be “very likely” to look for a lower-premium Marketplace plan If their premium payments doubled, according to a KFF survey conducted in 2025.

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Tracking the Public’s Views on the ACA

While overall opinion of the Affordable Care Act has been more favorable than unfavorable since 2017, there remain deep partisan divides. See how public opinion on the ACA has changed from the inception of the law to the present. This interactive tool highlights key moments when views shifted and trends based on party identification, income, age, gender, and race/ethnicity.

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  • How Much Will Medicaid Physician Fees for Primary Care Rise in 2013? Evidence from a 2012 Survey of Medicaid Physician Fees

    Issue Brief

    This brief presents 50-state data from the 2012 KCMU/Urban Institute Medicaid Physician Fee Survey. It estimates that average Medicaid fees to qualified physicians for Affordable Care Act primary care services will rise by 73 percent when the primary care fee increase takes effect on January 1, 2013, although there will be wide state variation. The paper presents data showing how states compare in their 2012 Medicaid fee levels, how Medicaid fees compared to Medicare fees,…

  • Increasing Medicaid Payments for Certain Primary Care Physicians in 2013 and 2014: A Primer on the Health Reform Provision and Final Rule

    Issue Brief

    To help ensure that access in Medicaid expands to meet anticipated higher demand for care, the health reform law requires states to pay certain physicians Medicaid fees that are at least equal to Medicare’s for a list of 146 primary care services in 2013 and 2014. The idea is to attract new physicians to Medicaid and provide greater support for physicians who already participate. As a result, Medicaid fees paid to certain physicians for primary…

  • Health Insurance Market Reforms: Rate Review

    Fact Sheet

    Rate review is the process by which insurance regulators review health plans’ new or renewed rates for insurance policies in order to ensure that the rates charged are based on accurate, verifiable data and realistic projections of health costs. Historically, state insurance departments have conducted rate review, but under the Affordable Care Act (ACA), federal regulators may review rate increases in some cases. This fact sheet explains how rate review works and how the ACA…

  • Medicaid Eligibility, Enrollment Simplification, and Coordination under the Affordable Care Act: A Summary of CMS’s March 23, 2012 Final Rule

    Issue Brief

    This brief provides a summary of the Centers for Medicare and Medicaid Services' (CMS) March 23, 2012 final rule to implement the ACA provisions relating to Medicaid eligibility, enrollment simplification and coordination. The rule, which is effective Jan. 1, 2014, lays out procedures for states to implement the Medicaid expansion and the streamlined and integrated eligibility and enrollment system created under the ACA. Achieving this goal will require substantial process and system changes among state…

  • Quick Take: An Update on the ACA & HIV: Medicaid Health Homes

    Fact Sheet

    We recently wrote about the different ways in which the Affordable Care Act (ACA) changes pathways to health insurance coverage for people with HIV, and chronicled these specifics, as well as several outstanding questions, in a policy brief.  As we noted, among the many provisions of the ACA designed to improve care is a new option available to state Medicaid programs to provide “health homes” for Medicaid enrollees with chronic conditions, with a temporary enhanced…

  • Quick Take: Essential Health Benefits: What Have States Decided for Their Benchmark?

    Fact Sheet

    Beginning on January 1, 2014, the Affordable Care Act (ACA) requires that all non-grandfathered individual and small group health insurance plans sold in a state, including those offered through an Exchange, cover certain essential health benefits (EHBs). As it stands today, many plans offered in the individual and small group markets lack access to key benefits; the Department of Health and Human Services (HHS) estimates that 62% of health plan enrollees in the individual market…

  • State Exchange Profiles: Alabama

    Other Post

    Final update made on December 4, 2012 (no further updates will be made) Establishing the Exchange Despite previously supporting Alabama’s implementation of a state-based health insurance exchange, Governor Robert Bentley (R) announced on November 13, 2012, the state will default to a federally-facilitated exchange.1 Prior to the decision, Governor Bentley issued Executive Order 17 which created the Alabama Health Insurance Exchange Study Commission to recommend how Alabama should establish a health insurance exchange.2 The Governor appointed…

  • Washington’s Managed FFS Demonstration to Integrate Care and Align Financing for Dual Eligible Beneficiaries

    Issue Brief

    Washington is the first state to sign a memorandum of understanding (MOU) with the Centers for Medicare and Medicaid Services (CMS) to test a managed fee-for-service (FFS) financial alignment model for beneficiaries who are dually eligible for Medicare and Medicaid, beginning on April 1, 2013. Washington’s managed FFS demonstration uses Medicaid health home services to coordinate care for high risk/high cost dual eligible beneficiaries with chronic conditions. This policy brief summarizes key aspects of the…

  • Massachusetts and Washington: Financial Alignment Demonstrations for Dual Eligible Beneficiaries Compared

    Fact Sheet

    This fact sheet examines the similarities and differences between the five-year demonstrations in Massachusetts and Washington state to integrate care and align financing for people dually eligible for Medicare and Medicaid. The states finalized memoranda of understanding (MOUs) with the Centers for Medicare and Medicaid Services in fall 2012, and the demonstrations in each state are set to begin in April 2013. Fact Sheet (.pdf)