The independent source for health policy research, polling, and news.
KFF’s policy research provides facts and analysis on a wide range of policy issues and public programs.
KFF designs, conducts and analyzes original public opinion and survey research on Americans’ attitudes, knowledge, and experiences with the health care system to help amplify the public’s voice in major national debates.
KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the organization’s core operating programs.
This brief analyzes federal transparency data published by CMS on claims denials and appeals for Marketplace plan offered on HealthCare.gov in 2024, and finds insurers denied 19% of in-network claims. Consumers rarely appeal denied claims.
In February, the Trump administration launched TrumpRx, a government website that provides prescription drug discounts to consumers. This brief examines issues that may impact consumers, especially those with private insurance, who access drug discounts through TrumpRx.
Policy changes, anticipated increases in premium costs for enrollees, and new standards for health savings accounts may encourage consumers to seek out plans with lower premiums but higher deductibles. This issue brief explores the features of bronze and catastrophic plans, coverage and costs, and the complicated choices consumers face.
The ACA Marketplace Open Enrollment season begins November 1, and with it comes looming changes to the enhanced premium tax credits, increases in out-of-pocket premium payments, new Marketplace eligibility rules, and more. Read our analysis of what these and other changes could mean for new and returning enrollees.
As Marketplace Open Enrollment nears, policy changes could leave millions of people facing substantially higher premiums and coverage loss, which could lead more consumers to purchase less expensive and less comprehensive coverage through short-term health plans. KFF analyzes short-term health policies sold by nine large insurers in 36 states, examining premiums, cost sharing, covered benefits, and coverage limitations and comparing them to ACA Marketplace plans.
This brief examines the supply of OB-GYNs in the U.S. and the share of OB-GYNs participating in the provider networks of Qualified Health Plans (QHPs) offered in the individual market in the federal and state Affordable Care Act (ACA) Marketplaces in 2021.
This brief evaluates what is currently known about fraud and abuse in the Affordable Care Act (ACA) Marketplace, including how the final Marketplace Integrity and Affordability Rule and the recently enacted budget reconciliation law change existing Marketplace enrollment and eligibility standards.
The House budget reconciliation bill contains various expansions to Health Savings Accounts (HSAs). This policy watch explains what HSAs are, how they have been used, what the key changes to HSAs would be, and how much they would cost the federal government.
This brief focuses on consumers’ understanding of health insurance costs and examines existing federal protections that seek to address barriers to understanding the cost of coverage and care, such as price transparency, self-service price estimator tools, and simplifying cost-sharing designs.
This brief discusses how consumers understand what their insurance covers, what to do when coverage for care is denied, and what protections exist to ensure that information is available and coverage determinations are fair, accurate, and timely.
© 2026 KFF