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Medicare Advantage

1 in 6 Medicare Advantage Enrollees Had a Diagnosis Added on a Chart Review That Increased Federal Payments to their Insurer

A KFF analysis finds that 1 in 6 (17%) Medicare Advantage enrollees had a diagnosis added on a chart review that increased federal payments to the insurer who ran their plan. Chart reviews, which are not used in traditional Medicare and have drawn bipartisan scrutiny, are the largest contributor to higher payments to Medicare Advantage plans.

Also: How Medicare Pays Medicare Advantage Plans: Issues and Policy Options

Medicare Advantage in 2025: Enrollment Update and Key Trends

Medicare Advantage Enrollees Have Access to About Half of the Physicians Available to Traditional Medicare Beneficiaries

Medicare Advantage in 2025: Premiums, Out-of-Pocket Limits, Supplemental Benefits, and Prior Authorization

Medicare Advantage Insurers Made Nearly 50 Million Prior Authorization Determinations in 2023

Medicare Open Enrollment

Beneficiaries Have 32 Medicare Advantage Prescription Drug Plans Available, on Average, for 2026

The average Medicare beneficiary will be able to choose among 32 Medicare Advantage plans with prescription drug coverage for 2026, two fewer than in 2025. The number of MA-PD options has grown steadily since 2010, peaking in 2024 when the average Medicare beneficiary had 36 options. Open enrollment runs October 15 through December 7.

Also: Medicare Open Enrollment FAQs

Premiums Are Decreasing for Many Stand-Alone Drug Plans in a Number of States in 2026

A Current Snapshot of the Medicare Part D Prescription Drug Benefit

The Role of SHIPs in Helping People with Medicare Navigate Their Coverage

What to Know About the Medicare Open Enrollment Period and Medicare Coverage Options

New & Noteworthy

Health Provisions in the 2025 Federal Budget Reconciliation Law

On July 4, President Trump signed the budget reconciliation bill, previously known as the “One Big Beautiful Bill Act,” into law. This summary provides background, description, budgetary impact and related information on the health care provisions of the law in four categories: Medicaid, the Affordable Care Act, Medicare and Health Savings Accounts (HSAs).

Medicare Open Enrollment FAQs

This list of Frequently Asked Questions (FAQs) about the Medicare Open Enrollment period covers a range of topics related to enrollment, including Medicare Advantage, Part D, Medigap, and more.

State Profiles for Dual-Eligible Individuals

This data collection draws on Medicare and Medicaid administrative data to present national and state-level information on people who are covered by both Medicare and Medicaid, referred to as dual-eligible individuals (also known as dually-enrolled beneficiaries).

Medicare Part D

Premiums Are Decreasing for Many Stand-Alone Part D Drug Plans in a Number of States in 2026

This analysis finds that monthly premiums for many Part D stand-alone prescription drug plans (PDPs) in a number of states will be lower in 2026 than they were this year. At the same time, the total number of PDPs, which provide prescription drug coverage to people in traditional Medicare, will fall for the third year in a row, as insurers continue to scale back their offerings and adjust to higher costs under the redesigned Part D benefit, reflecting changes in the Inflation Reduction Act.

The Uncertain Future of Medicare's Stand-Alone PDP Market and Why It Matters

Stand-Alone Drug Plans Cover a Larger Share of Part D Enrollees Living in the Most Rural Areas Than Medicare Advantage Plans

A Current Snapshot of the Medicare Part D Prescription Drug Benefit

Changes to Medicare Part D in 2024 and 2025 Under the Inflation Reduction Act and How Enrollees Will Benefit

Prescription Drugs

People with Medicare Will Face Higher Costs for Some Orphan Drugs Due to Changes in the Tax and Budget Law

A provision in the 2025 tax and budget law that will expand the exclusion of orphan drugs from Medicare’s drug price negotiation program could lead to at least $5 billion in additional Medicare spending over time, as well as higher out-of-pocket costs for beneficiaries who use these medications.

FAQs About the IRA's Medicare Drug Price Negotiation Program

Allowing Medicare to Negotiate Drug Prices Is Broadly Popular

The Facts About the $35 Insulin Copay Cap in Medicare

Enrollees in Most Rural Areas Rely More on Stand-alone Part D Plans

Data Visualization

The Facts About Medicare Spending

This interactive provides the facts on Medicare spending. Medicare, which serves 67 million people and accounts for 12 percent of the federal budget and 21 percent of national health spending, is often the focus of discussions about health expenditures, health care affordability and the sustainability of federal health programs.

Explore data on enrollment growth, Medicare spending trends overall and per person, growth in Medicare spending relative to private insurance, spending on benefits and Medicare Advantage, Part A trust fund solvency challenges, and growth in out-of-pocket spending by beneficiaries.

Related: FAQs on Medicare Financing and Trust Fund Solvency

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  • Medigap Reform: Setting the Context for Understanding Recent Proposals

    Issue Brief

    This brief presents the most current data available on the Medicare supplemental insurance (Medigap) market, including enrollment and premiums by state and plan type, analyzes how many beneficiaries have first dollar coverage (particularly Plans C and F), and describes recent Medigap proposals that have emerged as part of efforts to reduce Medicare spending and the national debt.

  • Medicare Chartbook, 2010

    Report

    This chartbook provides the most recent and reliable data available about the Medicare program and the 47 million seniors and younger people with disabilities who get health insurance coverage through the program.

  • Briefing Examines High Medicare Spending for Beneficiaries in Long-Term Care

    Event Date:
    Event

    These three reports examine the relatively high use of hospital and other Medicare-covered services and the associated costs of medical care for Medicare beneficiaries who live in nursing homes and other long-term-care facilities. They also explore the potential for delivery system reforms to improve quality and reduce costs.

  • Pulling it Together: About Kaiser Health News

    Perspective

    There is lots of apocalyptic talk these days about the collapse of the newspaper industry and the challenges facing news organizations.  There is even talk of the unimaginable, my hometown paper The Boston Globe shutting down. Surely they know that Red Sox Nation cannot exist without the Globe Sports pages.

  • The Federal Government’s Authority To Regulate Advertising in Medicare

    Issue Brief

    This policy brief, prepared for the Kaiser Family Foundation by Vicky Gottlich at the Center for Medicare Advocacy, explains the Centers for Medicare & Medicaid Services’ legal authority to regulate advertising and other information issued by the private companies that contract with the government to provide Medicare benefits.

  • Health Affairs Article: At Least Half of New Medicare Advantage Enrollees Had Switched From Traditional Medicare During 2006-11

    Issue Brief

    In an article in Health Affairs, researchers from the Kaiser Family Foundation counter the popular misperception that the steady rise in Medicare Advantage enrollment has been driven by members of the Baby Boom generation overwhelmingly choosing the private plans as they become eligible for Medicare. Their study examines the 2006-2011 growth in Medicare Advantage enrollment and finds that a majority of new enrollees in Medicare Advantage in each year were, in fact, seniors switching from traditional Medicare.