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Medicare Part D

How Medicare Advantage Rebates Disadvantage Medicare’s Stand-Alone Drug Plan Market

Rebates that reduce Part D premiums for Medicare Advantage plans with drug coverage make it harder for stand-alone prescription drug plans (PDPs) to compete. That may contribute to instability in the PDP market relied on by people in traditional Medicare. The number of Part D stand-alone Rx drug plan options for the avg Medicare beneficiary has fallen by half in recent years, while Medicare Advantage drug plan options have risen.

Also: Medicare Part D Enrollment, Premiums, and Cost Sharing in 2026

Analyzing Changes in Medicare Part D Enrollment for 2026

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

NEW AND NOTEWORTHY

What to Know About Medicare Coverage of Telehealth

Congress has repeatedly extended pandemic-era flexibilities around Medicare coverage of telehealth, but most such flexibilities remain temporary. This brief answers key questions about the current scope of Medicare telehealth coverage, including both temporary and permanent changes adopted through legislation and regulation, and future policy considerations.

Examining the Potential Impact of Medicare’s New WISeR Model

A federal initiative to establish new prior authorization requirements in traditional Medicare, called the Wasteful and Inappropriate Service Reduction (WISeR) model, is likely to have only modest impact in its first year.

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 Advantage

Medicare Advantage in 2026: Enrollment Update and Key Trends

More than half (55%) of eligible Medicare beneficiaries are enrolled in Medicare Advantage in 2026, continuing a decades-long shift toward private plans. Special Needs Plans have driven recent growth, with nearly 1 in 4 enrollees now in such plans.
To better understand trends in the growth of the Medicare Advantage program, this brief provides current information about enrollment, including by plan type and firm.

See Also: Medicare Advantage in 2026: Premiums, Out-of-Pocket Limits, Supplemental Benefits, and Prior Authorization

How Medicare Pays Medicare Advantage Plans: Issues and Policy Options

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

Medicare Advantage Insurers Made Nearly 53 Million Prior Authorization Determinations in 2024

Medicare Advantage Out-of-Pocket Limits: Variation & Trends

Prescription Drugs

What to Know About the BALANCE Model for GLP-1s in Medicare and Medicaid and the Medicare GLP-1 Bridge

CMS's temporary program to cover GLP-1 drugs for obesity in Medicare, called the BALANCE model, will not launch as scheduled on January 1, 2027. Instead, CMS is extending the Medicare GLP-1 Bridge, a separate short-term program that was to run from July to December 2026. It will now run through the end of 2027.

Key Facts About Medicare Drug Price Negotiation

Recent Trends in GLP-1 Use and Spending in Medicare

What to Know About Pharmacy Benefit Managers (PBMs) and Federal Efforts at Regulation

The IRA Has Improved Coverage of Drugs Selected for Medicare Price Negotiation

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. u003cbru003eu003cbru003eExplore 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.u003cbru003eu003cbru003eu003ca href=u0022https://www.kff.org/medicare/issue-brief/faqs-on-medicare-financing-and-trust-fund-solvency/u0022 data-type=u0022linku0022 data-id=u0022https://www.kff.org/medicare/issue-brief/faqs-on-medicare-financing-and-trust-fund-solvency/u0022u003eRelated:u003ca href=u0022https://www.kff.org/medicare/issue-brief/faqs-on-medicare-financing-and-trust-fund-solvency/u0022u003e FAQs on Medicare Financing and Trust Fund Solvencyu003c/au003eu003c/au003e

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  • 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.

  • A Profile of African Americans, Latinos, and Whites with Medicare:

    Report

    This chartpack highlights demographic data about African Americans, Hispanics and whites with Medicare to highlight potential implications for outreach efforts under the new Medicare drug benefit. The information is being used in a series of November 2005 briefings at the start of the first open-enrollment period for the new benefit. Chartpack (.pdf)

  • How Much Skin in the Game is Enough? The Financial Burden of Health Spending for People on Medicare

    Report

    How Much " Skin in the Game " is Enough? The Financial Burden of Health Spending for People on Medicare Medicare extends health security and financial protection to seniors and younger people with disabilities. However, premiums, relatively high cost-sharing requirements, and gaps in the benefit package result in some beneficiaries spending a significant share of their income on health expenses. This data spotlight examines the burden out-of-pocket expenses placed on Medicare beneficiaries between 1997 and…

  • Projecting Income and Assets: What Might the Future Hold for the Next Generation of Medicare Beneficiaries?

    Report

    As national attention turns to the federal deficit, some policymakers have proposed reforms to Medicare, Medicaid and Social Security that could have significant implications for current and future generations of seniors and younger adults with disabilities. This data spotlight, co-authored by researchers at the Kaiser Family Foundation and the Urban Institute, describes the income and assets of current Medicare beneficiaries, considers variations by race, ethnicity and other demographic characteristics and examines the extent to which…

  • A Medicare Prescription Drug Benefit: Implications for Medicaid and Low-Income People

    Report

    The Senate and House of Representatives each approved legislation in June of 2003 that would establish outpatient prescription drug coverage for Medicare beneficiaries as part of Medicare program reform. Among the key differences in the House and Senate bills that still must be addressed are the treatment of Medicaid beneficiaries and the structure of low-income subsidy programs. The way in which these issues are resolved will have major implications for Medicaid beneficiaries, other low-income individuals,…

  • Retiree Health Benefits in 2003: Employer Survey

    Report

    This survey, conducted by the Kaiser Family Foundation and Hewitt Associates between June and September 2003 provides detailed information on retiree health programs offered by large private-sector employers. The data in this survey reflect the responses of 408 large firms (private-sector employers with 1,000 or more workers) and provides information on eligibility, benefits, premiums, and total cost in 2003, and offers insights as to what changes employers say they are likely to make in the…

  • The Distributional Consequences of  Medicare Premium Support Proposal

    Other Post

    The Distributional Consequences of a Medicare Premium Support Proposal This article analyzes the expected distributional impact of enacting a premium support proposal for Medicare based on legislation introduced by Sen. Breaux and Sen. Frist in 1999. This legislation suggested that the Federal Employees Health Benefits plan be used as a model for Medicare. The article simulates impacts in three areas: among beneficiaries who choose to retain fee-for-service coverage, between different geographic areas, and according to…

  • Low-Income Subsidies for the Medicare Prescription Drug Benefit: The Impact of the Asset Test

    Report

    This study assesses the impact of the requirement that low-income people with Medicare meet an asset test in order to receive additional help paying premiums and cost-sharing under the new Medicare drug benefit. Report (.pdf) American Journal of Managed Care Article: Who Will Be Denied Medicare Prescription Drug Subsidies Because of the Asset Test? (January 2006) (.pdf)

  • Dual Eligibles: Medicaid Enrollment and Spending for Medicare Beneficiaries in 2003

    Issue Brief

    Dual Eligibles: Medicaid Enrollment and Spending for Medicare Beneficiaries in 2003 This report provides the latest national and state data on Medicaid enrollment and spending for individuals enrolled in both Medicaid and Medicare, also knows as dual eligibles. Nationally, there are 7.5 million dual eligibles and while they comprise 14 percent of the Medicaid population, they account for 40 percent of Medicaid spending. Issue Paper (.pdf)