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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.
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More people than ever got coverage through the Affordable Care Act (ACA) Marketplaces in 2025, but the expiration of enhanced premium tax credits has driven up what people pay and contributed to declining enrollment in 2026. Law and regulatory changes also tightened ACA eligibility and enrollment requirements. Public opinion of the ACA remains generally favorable, although views remain divided along partisan lines.
With the 2026 midterms about a month away, health care costs remain tied with gas as voters’ top midterm concerns and the Democrats hold a clear edge over the Republicans Party on who voters trust to handle many top electoral issues, including the cost of health care and the cost of living. Two-thirds of U.S. adults now favor Medicare-for-all, a new high in KFF Polling, but support shifts when competing claims from critics and proponents…
This issue brief provides new information about Medicaid home care program's use of program integrity tools from KFF’s most recent survey of state Medicaid home care programs.
This brief describes the role of Medicaid Fraud Control Units (MFCUs) in program integrity efforts, examines caseload and case outcome data, and current issues facing MFCUs.
As the 2026 midterms approach, health care costs remain voters' top health priority, but fraud in government health programs, including Medicaid and Medicare, is resonating with Republican voters, 55% of whom say it's extremely important for candidates to address. Most voters say there is at least “some” fraud in government health programs, but larger shares say there is fraud in the tax system, defense, and foreign aid, while the smallest share sees fraud in the…
Health care costs top the list of voters’ health care priorities for the midterm elections, though more than half of Republican voters say it is extremely important for candidates to discuss the issue of fraud in government health programs, according to a new KFF Health Tracking Poll. Most voters say there is at least “some” fraud in government health programs, but larger shares of voters see fraud in the tax system, defense, and foreign aid…
This page tracks emerging developments in the federal government’s approach to Medicaid program integrity, along with the implications of those actions for different states.
This brief describes recent HHS actions (state-specific and nationwide) related to Medicaid program integrity and outlines some open questions about the future of Medicaid program integrity, including which states might become a focus of administration effort.
CMS is taking a new approach to fraud that will rely more heavily on options to pause or withhold significant amounts of federal funding in cases of potential fraud, which could have broad implications for states and enrollees. This issue brief explains the new approach.
Medicaid represents $1 out of every $5 spent on health care in the U.S. and is the major source of financing for states to provide health coverage and long-term services and supports for low-income residents. This brief examines key questions about Medicaid financing and how it works.
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