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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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  • Medicare Managed Care (Spanish)

    Fact Sheet

    Medicare Managed Care (Spanish) Fact Sheet: The Medicare Program: Funcion de Medicare Para Latinos

  • Benefit Design and Formularies of Medicare Drug Plans: A Comparison of 2006 and 2007 Offerings

    Report

    This analysis provides a profile of the 2007 Medicare Part D stand-alone drug plans that are being offered to the program’s 43 million beneficiaries for 2007 and highlights some of the changes in plans between 2006 and 2007. It looks at premiums, covered drugs, the amount enrollees pay to fill a prescription, and other key features that would affect out-of-pocket costs and access to drugs for people with Medicare. The report describes the 1,875 stand-alone…

  • Additional Help with Rx Drug Costs For Low-Income People on Medicare

    Other Post

    Additional Help with Prescription Drug Costs For Low-Income People on Medicare (For 2007 Benefits and Cost-Sharing) As of 2007, Medicare helps pay for outpatient prescription drugs. Medicare provides additional help with drug costs to beneficiaries who qualify based on low incomes and limited resources. The information below describes the different levels of assistance available to people who meet the eligibility requirements. People on Medicare Who Also Have Full Medicaid Benefits (Dual Eligibles) pay: No premium…

  • Medicare Chart Book 2005

    Other Post

    This updated resource features more than 80 charts and tables with detailed information about the Medicare program and the 42 million seniors and younger people with disabilities who rely on the program for health insurance coverage. It covers a wide range of relevant data, including state-by-state information when available. Each section can be accessed individually, or the full chartbook can be downloaded in its entirety. Complete Medicare Chartbook 2005 (.pdf) Overview (.pdf) Section 1: Medicare…

  • Health Care and the 2004 Elections

    Other Post

    ** Update: For information on health care and the 2008 election, visit www.health08.org. ** Health care issues continue to be important for many Americans and a vital part of the policy debates in Washington and around the country. During an election season, candidates propose and debate their solutions for the pressing policy issues facing their constituents. The 2004 election season is no different and the Kaiser Family Foundation is issuing informational materials on some of…

  • Health Care and the 2004 Elections: Medicare Coverage and Financing

    Issue Brief

    Medicare Coverage and Financing Download a printable .pdf of Health Care and the 2004 Elections: Medicare Coverage and Financing. IssueBackgroundPolicy Challenges Facing MedicareAssessing Candidate PositionsIssue The Medicare program is a valuable source of health insurance coverage for more than 41 million Americans. Medicare enjoys broad public support, but the program faces a number of challenges in the years ahead, including the implementation of the new Medicare drug benefit beginning in 2006. Another issue pertains to…

  • The Effect of Formularies and Other Cost Management Tools on Access to Medications: An Analysis of the MMA and Proposed Regulations

    Issue Brief

    This paper, by John F. Hoadley, Ph.D., of the Health Policy Institute at Georgetown University, examines how formulary designs and other cost-management tools may affect Medicare beneficiaries’ access to medications through their Medicare Part D prescription drug plans. It is one in a series commissioned by the Kaiser Family Foundation that analyzes issues surrounding the implementation of the Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (MMA) and the proposed regulations. Issue Brief (.pdf)

  • Medicare Health and Prescription Drug Plans Report

    Other Post

    Medicare Health and Prescription Drug Plans Monthly Tracking Reports These briefs present monthly data on Medicare Advantage participation, enrollment and penetration. They also summarize recent activities by the Centers for Medicare and Medicaid Services (CMS), participating health plans, and the research community pertaining to the Medicare Advantage program and prescription drug plans that began serving the Medicare population in January 2006. The reports were prepared by researchers at Mathematica Policy Research Inc. April 2010 Report…

  • Dual Eligible Home and Community-Based Waiver Program Participants and the New Medicare Drug Benefit

    Issue Brief

    Dual eligible beneficiaries who participate in Medicaid home and community-based waiver programs usually do not have a centralized care provider to manage their health care benefits and services. For the new Medicare prescription drug benefit, no individual is designated to assist participants with their prescription drug plan selection, comparison of formularies, and if necessary, management of their exceptions and appeals should a medication be denied by their plan. This paper offers state and federal policymakers…

  • Medicare Prescription Drug Coverage for Residents of Nursing Homes and Assisted Living Facilities: Special Problems and Concerns

    Issue Brief

    This issue brief describes Medicare drug benefit policy issues for residents of nursing homes and other long-term care settings, such as assisted living facilities and board and care facilities. The brief addresses differing rules for nursing home and non-nursing home settings, as well as for dual eligibles residing in long-term care facilities. Issue Brief (.pdf)