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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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  • How Do M+C Plans Manage Pharmacy Benefits? Implications for Medicare Reform

    Report

    Understanding how Medicare+Choice (M+C) plans manage their drug benefits may generate important lessons for Medicare. This report, based on interviews with both national and regional managed care firms, provides an in-depth look at how plans have managed their M+C outpatient pharmacy benefits in recent years.

  • Financial Incentives in the Long-Term Care Context: A First Look at Relevant Information

    Report

    Financial Incentives in the Long-Term Care Context: A First Look at Relevant Information This report reviews Medicare's payment policies as they may affect medical care for residents in long-term care environments, including a look at the financial incentives that could play a role in hospital and skilled nursing facility admissions.

  • Kaiser Health Tracking Poll — October 2009

    Feature

    The October Kaiser Health Tracking Poll finds public support for health reform unchanged since last month, with more in favor than opposed. Fifty-five percent of Americans believe that it is more important than ever to take on health care reform now, while 41 percent say the country cannot afford it right now.

  • Explaining Health Care Reform: What is Comparative Effectiveness Research?

    Issue Brief

    The brief examines current funding for comparative effectiveness research, the provisions included in the current health reform legislation, and issues related to which treatments that might be studied, whether and how to weigh costs of care, and how such findings will be used and shared with health-care practitioners and the public.

  • Paying a Visit to the Doctor: Current Financial Protections for Medicare Patients When Receiving Physician Services

    News Release

    As the Congress continues to work on reforming Medicare payments for physician services, a new Kaiser Family Foundation brief examines key provisions in current law that help provide safeguards and financial protections for beneficiaries when they visit their doctor, and explains how potential changes could affect beneficiaries, providers, and the Medicare program.

  • Medicare Advantage: Take Another Look

    Perspective

    This Policy Insight explores possible explanations for the continued rise in Medicare Advantage enrollment between 2010 and 2013 in spite of a projected decrease following payment changes in the Affordable Care Act (ACA).

  • How are Seniors Choosing and Changing Health Insurance Plans?

    Report

    This report summarizes first-hand accounts of seniors’ Medicare private plan decision making strategies, based on focus groups conducted in four cities. Seniors found the initial plan selection process overwhelming due to the volume of information they received and their inability to organize it. Few used the government's online comparison tool, and those that did cite several shortcomings. Many relied on advice from sources they trust, including insurance agents, plan representatives, friends, family members, doctor's offices and pharmacists. After they enroll in a plan, many seniors did not revisit their initial decision or review plan options without the strong provocation of a substantial increase in cost, change in coverage, or shift in personal health care needs. Moreover, they feared that a change in plans may disrupt their care, or lead to an unforeseen increase in out-of-pocket costs, and require them to learn new rules and requirements. They are doubtful they would end up in a plan that is appreciatively different or better for them. Overall, seniors preferred to have numerous choices in plans but would like personalized help and advice from experts to ease the process.

  • The Story of Medicare: A Timeline

    Video

    Written and produced by KFF staff, The Story of Medicare: A Timeline serves as a visual timeline of Medicare’s history, including the debate that led to its creation in 1965 and subsequent changes, such as the passage and repeal of the Medicare Catastrophic Coverage Act in the 1980s, the Medicare Modernization Act in 2003, and the Affordable Care Act.