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 considers how default enrollment into Medicare Advantage might work, potential challenges with this approach, and implications for beneficiaries, insurers, providers, agents and brokers, and the federal budget.
The increase translates into an additional $35 billion to Medicare Advantage plans in 2026 compared to this year….The increase in payments is larger than for 2025 (3.7%) or 2024 (3.3%), but below the increase for 2023 (8.5%), and comes at a time of increasing scrutiny over Medicare Advantage payments.
This brief explains fraud, waste, abuse, and improper payments in Medicare and describes actions to ensure Medicare program integrity.
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.
This brief examines 10 key facts about women with Medicare and presents new statistics on the health, economic and functional status of women with Medicare.
In a new analysis, KFF finds that 3.6 million people with Medicare could be eligible for coverage of Wegovy (semaglutide) now that the Food and Drug Administration has approved the use of the anti-obesity drug to reduce the risk of heart attacks and stroke in certain patients.
The FDA recently approved a new use for Wegovy, the blockbuster anti-obesity drug, to reduce the risk of heart attacks and stroke in people with cardiovascular disease who are overweight or obese - a decision that opens the door to Medicare coverage of Wegovy, which is prohibited by law from covering drugs used for obesity. This brief analyses how many Medicare beneficiaries could be eligible for the new use of Wegovy and the potential impact on Medicare spending.
This issue brief provides an overview of the Medicare Part D prescription drug benefit plan landscape for 2021, with a focus on stand-alone drug plans. It includes national and state-level data on plan availability, premiums, benefit design, cost sharing, information about premium-free plans for low-income beneficiaries, and information about the national Part D drug plans available in 2021.
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.
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.
© 2025 KFF