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.
The Medicare Part D program provides an outpatient prescription drug benefit to older adults and people with long-term disabilities in Medicare who enroll in private plans, including stand-alone drug plans and Medicare Advantage drug plans. This analysis provides the latest data about Part D enrollment, premiums, and cost sharing in 2021 and trends over time.
In 2021, 81 percent of all Medicare Advantage enrollees are in plans that receive a bonus payment from Medicare based on star quality ratings (or because they are new), substantially higher than the share in 2015 (55 percent). Annual bonus payments from the federal government to Medicare Advantage insurers have increased correspondingly, quadrupling from $3 billion in 2015 to $11.6 billion in 2021.
This brief provides an overview of the major health-related COVID-19 federal emergency declarations that have been made since early on in the pandemic, summarizes the flexibilities triggered by each, and identifies the implications for their ending, related to coverage, costs, and payment for COVID-19 testing, treatments, and vaccines; Medicaid coverage and federal match rates; telehealth; access to medical countermeasures through FDA emergency use authorization (EUA); and other Medicaid, Medicare and private health insurance flexibilities.
When the federal government ends COVID-19 emergency declarations that were declared in the early days of the pandemic, it will bring to a close several changes that were enacted temporarily to enable the U.S. health care system to better deal with the crisis. A new KFF resource details a number of those flexibilities and lays out what it will mean for people, providers and federal health programs when they go away. One of the key…
As Medicare’s annual open enrollment period gets underway, two new analyses from KFF suggest that a relatively small share of the nation’s 65 million Medicare beneficiaries will shop around among the many coverage options for 2023 or switch plans. That decision could have a significant impact on enrollees’ coverage and costs. Results from one new KFF analysis show that only 3 in 10 beneficiaries (29%) compared their current plan with other Medicare plans offered during…
The annual blitz of ads for Medicare Advantage plans has become a rite of fall, as health insurers, brokers and other third parties seek to court enrollees for these private plans, which are offered to the 65 million people with Medicare during the program’s open enrollment season. In advance of the open enrollment period starting on October 15, KFF reviewed more than 1,200 unique television ads that aired more than 643,000 times last year to…
Federal spending on bonus payments to insurance companies that offer Medicare Advantage plans will reach at least $12.8 billion in 2023, according to a new KFF analysis. That is a nearly 30% increase from 2022, and more than quadruple the spending in 2015. These data come from one of three analyses released today by KFF that examine various facets of the Medicare Advantage program, which provides health insurance coverage to nearly 31 million Americans. KFF…
To capture Medicare beneficiaries’ views and experiences in choosing between traditional Medicare and private plans, and among private plans, and the factors that influence these decisions, KFF worked with PerryUndem to conduct focus groups with Medicare beneficiaries in the Fall of 2022, during the annual Medicare open enrollment period. This report summarizes first-hand accounts of participants’ reactions open enrollment advertising and factors that influence their decision-making around Medicare plan choice.
In this JAMA Health Forum post, Executive Vice President Larry Levitt recalls the mid-1990s’ public backlash against Health Maintenance Organizations (commonly known as HMOs) – all of which preceded the recent outpouring of health insurance concerns – as well as how consumer protections against coverage restrictions have evolved and fallen short.
This brief highlights trends in the Medicare Advantage marketplace, including the choices available to Medicare beneficiaries in 2012, premium levels and other plan characteristics. The brief was authored by researchers at Mathematica Policy Research and the Kaiser Family Foundation. Data Spotlight (.pdf)
© 2026 KFF