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 issue brief analyzes the number and variety of Medicare Advantage plan choices available to beneficiaries in 2015. It describes trends in number of Medicare Advantage plans, plan premiums, and plan quality ratings, including changes in prescription drug coverage and limits on out-of-pocket expenses. This spotlight is part of a series of spotlights tracking key changes in the Medicare Advantage program.
This Data Note examines the availability of plans nationwide and by state in 2015, and changes in plan availability since 2011. It documents the number and share of Medicare Advantage enrollees affected by plan withdrawals each year, the characteristics of plans that will be entering the market and characteristics of those exiting the market in 2015.
In the latest post in the Policy Insights series, Tricia Neuman draws on the experiences of Medicare beneficiaries during Medicare’s annual enrollment period to consider whether consumers with health insurance coverage through the Affordable Care Act’s new marketplaces will shop for a better deal during their open enrollment season. Previous columns in the Policy Insights series are also available on kff.org.
The 2010 Affordable Care Act (ACA) included many provisions affecting the Medicare program and the 57 million seniors and people with disabilities who rely on Medicare for their health insurance coverage. This brief explains the Medicare provisions in the ACA and explores the implications for Medicare and beneficiaries of repealing these provisions.
Repealing and replacing the Affordable Care Act is a top priority of the Trump Administration and the Republican leadership, which could have implications for the Medicare program. This brief provides a side-by-side comparison of the Medicare-related provisions in six bills and proposals that would repeal the ACA, excluding proposals that would not directly affect Medicare.
The Medicare open enrollment period allows enrollees to compare plans, stick with their current plan, switch to another plan, or shift to traditional Medicare. This analysis examines the extent to which Medicare Advantage enrollees change plans when given the opportunity. It also analyzes the variation in the rate of plan switching by enrollee and plan characteristics and whether people who voluntarily switch plans tend to move to plans with lower premiums, lower out-of-pocket limits, or…
A small share of Medicare Advantage enrollees switch plans each year, but those who do tend to pick plans with lower premiums and out-of-pocket limits than the plans they left behind, according to a new analysis by the Kaiser Family Foundation. Eleven percent of enrollees voluntarily switched from one Medicare Advantage plan to another between 2013 and 2014, the analysis finds, while another four percent were forced to change because their Medicare Advantage plan exited…
This issue brief analyzes the number and variety of Medicare Advantage plan choices available to beneficiaries in 2017. It describes trends in number of Medicare Advantage plans and plan quality ratings, and new information on plan premiums, out-of-pocket expense limits, and other plan features. This spotlight is part of a series of spotlights tracking key changes in the Medicare Advantage program.
This Visualizing Health Policy infographic provides a snapshot of the role of Medicare Advantage plans, an alternative to traditional Medicare, including information about the proportion of Medicare beneficiaries who are enrolled in Medicare Advantage plans, geographic differences in Medicare Advantage penetration, the trend of increasing enrollment in Medicare Advantage plans, and the concentration of enrollment within a small number of firms and affiliates. It also shows the extent that Medicare has been paying more for…
There is ongoing discussion as to whether Congress should waive COVID-19 treatment costs. To inform these discussions, this analysis examines the extent of health care cost-related problems among Medicare beneficiaries. The analysis is based on a composite measure of cost-related burdens that includes problems getting care due to cost, delays seeking care due to cost, and problems paying medical bills among people with Medicare.
© 2026 KFF