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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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  • Selected Findings on Knowledge and Understanding of the New Medicare Rx Drug Program — March/April 2004 Kaiser Health Poll Report Survey

    Poll Finding

    Selected findings from the March/April 2004 Kaiser Family Foundation Health Poll Report survey underscores the need to educate seniors about the new Medicare prescription drug program - both the transitional discount card program that will be go into effect on June 1, 2004 and the full Medicare benefit that begins in January 2006. The survey, which is conducted every two months, is designed and analyzed by staff at the Foundation and colleagues at the Harvard…

  • Dual Eligibles and Medicare Part D

    Issue Brief

    This snapshot summarizes the latest information and policy issues about the enrollment of dual eligibles into the Medicare prescription drug benefit. Issue Brief (.pdf)

  • Chartpack: Seniors and the Medicare Prescription Drug Benefit

    Poll Finding

    These charts highlight data from a poll on Seniors and the Medicare Prescription Drug Benefit, conducted jointly by the Kaiser Family Foundation and the Harvard School of Public Health between November 9 and 19, 2006. It included a nationally representative sample of 718 seniors, including 275 who reported being enrolled in a Medicare drug plan. The questions about experiences under the Medicare drug benefit were part of a larger survey of 1,867 adults on the…

  • Chartpack — The Public’s Health Care Agenda for the New President and Congress

    Poll Finding

    Chartpack -- The Public's Health Care Agenda for the New President and Congress This chartpack provides the key findings from the survey of the public's attitudes regarding the health care agenda for President Obama and the new Congress in 2009. It assesses the relative priority placed on health care by the American public as part of addressing the economic recession and as a large scale reform issue. The public's priorities for health care reform and…

  • Seniors' Knowledge and Experience With Medicare's Open Enrollment Period and Choosing a Plan: Key Findings from the Kaiser Family Foundation 2012 National Survey of Seniors

    Issue Brief

    These key findings from the Foundation's 2012 National Survey of Seniors relate to seniors’ knowledge and experience with Medicare’s open enrollment period and choosing a plan. The survey finds one in four seniors say they are unaware of this annual opportunity to review and change their Medicare coverage, with even larger shares who say they are unaware of Medicare’s open enrollment period among blacks and Hispanics and those seniors in fair or poor health, with…

  • Beneficiary Challenges in Using the Medicare Part D Appeals Process To Obtain Medically Necessary Drugs

    Issue Brief

    This paper describes the various steps of the Medicare Part D appeals process for obtaining necessary drugs not on a plan’s formulary. Using case reports collected from a network of beneficiary advocates, it illustrates the challenges and problems some beneficiaries encountered when navigating this aspect of the drug benefit. The paper concludes with a discussion of potential policy options including the implications of establishing an exceptions and appeals process that is uniform in paperwork and…

  • Prescription Drug Procurement and the Federal Budget

    Issue Brief

    This brief commissioned by the Foundation considers areas where Medicare faces limited opportunity for market-based competition and price negotiation to drive down drug spending. These areas include drug purchasing for low-income people enrolled in Part D plans who face minimal cost-sharing requirements, and purchasing certain unique drugs, such as biologicals, that have no therapeutic alternatives or competitors. Authored by Richard G. Frank of Harvard University, the brief discusses policy options that could lower Medicare spending…