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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 released by the Centers for Medicare and Medicaid Services (CMS) on claims denials and appeals for non-group qualified health plans (QHPs) offered on HealthCare.gov in 2023. It finds that HealthCare.gov insurers denied nearly one out of every five claims (19%) submitted for in-network services. Information about the reasons for denials is limited, and few consumers appeal claims denials.
This brief analyzes prices for medical care compared to other goods and services using consumer price index (CPI) and producer price index (PPI) data. Overall prices grew by 3.5% in March 2024 from the previous year, while prices for medical care increased by only 2.2%.
This brief examines the financial burden of health care spending among households where all members are covered by Medicare compared to non-Medicare households.
This brief provides an overview of premiums and benefits in Medicare Advantage plans that are available for 2025 and key trends over time. Two-thirds of all Medicare Advantage plans with Part D prescription drug coverage (MA-PDs) (67%) will charge no premium (other than the Part B premium) in 2025, similar to 2024 (66%). Nearly all Medicare Advantage plans (97% or more) are offering vision, dental and hearing, as they have in previous years. However, the share of plans offering certain benefits has declined, such as over-the-counter benefits (85% in 2024 vs. 72% in 2025), remote access technologies (74% in 2024 vs. 53% in 2025), meal benefits (72% in 2024 vs. 65% in 2025) and transportation (36% in 2024 vs. 29% in 2025).
This chart collection explores how health spending is expected to grow in coming years, with a look at growth in prescription drug spending, out-of-pocket spending, and related trends.
KFF today launched a new side-by-side comparison tool of the records and policy positions of President Biden and former President Trump across a range of key health policy issues.
This brief describes Medicare coverage of sexual and reproductive health services, including contraception, and compares that coverage with private insurance plans and Medicaid. These benefits are particularly relevant to nearly 1 million women of reproductive age (20-49) who are eligible for Medicare due to having a long-term disability.
Nearly half (45%) of the public are at least somewhat interested in taking a prescription weight-loss drug, including many who say they only want to lose a little weight, though many people lose interest when presented with potential financial and medical drawbacks, the latest KFF Health Tracking Poll reveals.
This brief examines the final CMS regulations governing prior authorization in Medicare Advantage, Marketplace, Medicaid, and other plans, how they might address some current consumer concerns, and some issues that remain.
The latest KFF Health Tracking Poll explores the public's views on the U.S. role in distributing COVID vaccines to other countries, health care priorities for Congress, prescription drug regulations and price negotiations, and affordability changes in the COVID-19 relief bill.
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