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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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  • Kaiser Family Foundation/ Harvard School of Public Health Medicare Prescription Drug Survey

    Report

    A new survey by the Kaiser Family Foundation and Harvard School of Public Health examines public opinion on the current Medicare prescription drug debate. The survey, a follow-up to a broader, more comprehensive survey released in June 2003 about the Medicare program and proposed changes, finds that a majority of seniors want Congress to pass Medicare prescription drug legislation this year, but most worry that they will still pay too much for drugs even if…

  • The Role of Health Coverage for People with Disabilities: Findings from 12 Focus Groups with People with Disabilities

    Report

    This report presents findings from focus groups conducted with people with a range of disabilities in an effort to understand the challenges they face and their experiences in the health-care system. To capture variations in experiences by source of health insurance, the groups include people covered under Medicare, Medicaid, and private insurance, as well as those no health insurance at all. The report highlights the ways in which various sources of insurance are working for…

  • A Side-by-Side Comparison of the Prescription Drug Coverage Provisions of S.1 and H.R. 1

    Report

    This document, prepared by Health Policy Alternatives, Inc., provides a detailed side-by-side comparison of the prescription drug provisions of the House and Senate Medicare proposals, as passed on June 27, 2003. Along with these provisions, the side-by-side compares the major provisions relating to the role of private health plans in Medicare. This document includes a more in-depth description of the bills, which were previously summarized in publication #6095, which is also available on the Foundation?s…

  • How Do Patterns of Prescription Drug Coverage and Use Differ for White, African American, and Latino Medicare Beneficiaries Under 65 and 65+

    Report

    This chartpack provides a snapshot of racial/ethnic differences in Medicare beneficiaries? prescription drug coverage, use, and spending. It examines patterns separately for beneficiaries under age 65 and 65+. The summary discusses the relevance of the key findings to the current policy debates about prescription drug coverage. Chartpack (.pdf)

  • State-level Poverty Data for the Medicare Population

    Report

    Low-income assistance is a key feature of the Medicare prescription drug proposals passed by the House (H.R. 1) and the Senate (S.1). The attached tables present national and state-level data on the number of low-income elderly and disabled Medicare beneficiaries who may be eligible for additional assistance, based on the income eligibility thresholds specified in the House and Senate proposals (135%, 150%, and 160% of poverty). Report

  • Prescription Drug Coverage for Medicare Beneficiaries: A Side-by-Side Comparison of Selected Proposals

    Report

    This updated document, prepared by Health Policy Alternatives, Inc., provides a side-by-side comparison of the House and Senate Medicare proposals, as passed on June 27, 2003. The side-by-side describes key provisions of H.R. 1, The Medicare Prescription Drug and Modernization Act of 2003, and S. 1, The Prescription Drug and Medicare Improvement Act of 2003. This updated document, which includes CBO's recent estimates of the costs of each bill and additional detail on payments to…

  • The Current Medicare Prescription Drug Debate: Briefing Charts

    Report

    These briefing charts provide background information on prescription drug use and spending among the Medicare population, recent survey data on employers' likely reaction to a Medicare drug benefit, an overview of the proposals for prescription drug coverage passed by the House and Senate at the end of June 2003, and a summary of the key issues to be resolved in the conference. Chart Pack

  • Kaiser Family Foundation/Harvard School of Public Health National Survey of the Public’s Views on Medicare

    Poll Finding

    Kaiser Family Foundation/Harvard School of Public Health National Survey of the Public's Views on Medicare A new national survey by the Kaiser Family Foundation and the Harvard School of Public Health examines the public's attitudes and opinions on issues related to the Medicare reform and prescription drug debate. The survey also takes a separate look at the differing views of younger and older Americans on this topic. Toplines/Survey (.pdf)

  • Medicare Prescription Drugs Through Private Drug-Only Plans: A Discussion with Actuaries

    Report

    Central to the current debate over Medicare prescription drug coverage is the role of private insurance plans in providing drug benefits to Medicare beneficiaries. This report offers views from health actuaries knowledgeable about the Medicare program and the prescription drug debate on key issues that emerge for potential plan sponsors, such as insurers and PBMs, in providing prescription drug benefits to Medicare beneficiaries through private, drug-only plans. The views of the actuaries were obtained through…