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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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  • Medicare Part D Issue Briefs

    Issue Brief

    These issue briefs, prepared by the Centers for Medicare Advocacy, Inc., provide information about how the Medicare drug benefit will affect beneficiaries. The briefs address issues related to dual eligibles, residents of nursing home and assisted living facilities, and the Part D exceptions and appeals processes. Medicare Part D: Issues for Dual Eligibles on the Eve of Implementation Medicare Prescription Drug Coverage for Residents of Nursing Homes and Assisted Living Facilities: Special Problems and Concerns…

  • Kaiser Health Poll Report Survey – Selected Findings on Seniors’ Views of the Medicare Prescription Drug Benefit

    Poll Finding

    Kaiser Health Poll Report Survey – Selected Findings on Seniors' Views of the Medicare Prescription Drug Benefit This February 2006 Kaiser Family Foundation tracking poll finds that 45% of seniors say they have enrolled or plan to enroll in a drug plan, 29% say they do not intend to enroll in a drug plan and another 23% say they are uncertain. The majority of those who do not plan to enroll say they have another…

  • Dual Eligibles: Medicaid’s Role for Low-Income Medicare Beneficiaries

    Fact Sheet

    This updated fact sheet describes the nearly 8.9 million "dual eligibles," the low-income elderly and persons with disabilities who are enrolled in both Medicare and Medicaid, why this population needs Medicaid, what services they receive from Medicaid, and what the new health reform law may mean for them. Fact Sheet (.pdf)

  • Issue Briefs Describe Changes in Private Plan Market and Effects on Medicare Beneficiaries

    Issue Brief

    These two issue briefs describe the different types of private plan options available to people on Medicare, identify key characteristics of the organizations offering the new Medicare drug benefit, and analyze how companies are positioning themselves to attract Medicare enrollees. The Growth of Private Plans in Medicare, 2006 The Landscape of Private Firms Offering Medicare Prescription Drug Coverage in 2006

  • Private Fee-For-Service Plans In Medicare: Rapid Growth and Future Implications

    Event

    Kaiser Family Foundation Vice President Patricia Neuman, Ph.D., testified May 2007 before the House Ways and Means Subcommittee on Health on the rapid growth of private fee-for-service plans in the Medicare program and its implications for seniors and people with disabilities. Dr. Neuman is director of the Foundation's Medicare Policy Project. Testimony (.pdf)

  • Study Finds Advertising By Insurers Favors Medicare Advantage Over Stand-Alone Drug Plans

    Issue Brief

    As the marketing period for 2009 Medicare plans nears, the Kaiser Family Foundation Kaiser Family Foundation issued a report analyzing the content and frequency of television, print and radio advertisement for private Medicare plans that ran nationally or in one of three local media markets (Miami/Fort Lauderdale, Fla.; Phoenix, Ariz.; and Greensboro, N.C) during the marketing and enrollment period for 2008 plan offerings. The study finds that insurers last year placed three times more advertisements…

  • Pulling it Together from Drew Altman: Multiple Agendas for Controlling Health Care Costs

    Perspective

    In what would be a domestic policy trifecta, we may be headed for interconnected big debates about economic recovery, entitlement programs and health reform. A core issue in the entitlement and health reform debates is the problem of rising health care costs. President Obama, now apparently fully briefed on the economic, budget and health reform realities he faces, is talking conspicuously about hard choices that may lie ahead. In a short period of time the…

  • Key Findings: Kaiser Health Tracking Poll — November 2009

    Poll Finding

    This document contains the key findings from the November Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted November 5 through November 12, 2009, among a nationally representative random sample of 1,203 adults ages 18 and older. Telephone interviews conducted by landline (802) and cell phone (401, including 112 who had no landline telephone) were carried out in English and Spanish. The margin…

  • What’s in the Stars? Quality Ratings of Medicare Advantage Plans, 2010

    Issue Brief

    NEW: Foundation brief looks at implications of 2011 quality ratings for Medicare Advantage plans. The Centers for Medicare and Medicaid Services (CMS) rates the relative quality of the private plans that are offered to Medicare beneficiaries through the Medicare Advantage program as a way of aiding beneficiaries who are considering enrolling in such a private plan. CMS rates Medicare Advantage plans on a one to five-star scale, with five stars representing the highest quality. This…

  • Pulling it Together: Seniors and Health Reform

    Perspective

    It is widely believed that seniors are antsy about the new health reform law. And there is heightened interest in how seniors feel about the law in the political world because they are more likely to vote in midterm elections.  About 48% of the electorate said they voted in the 2006 midterms while about 63% of seniors said the same.  Our June and July tracking polls shed light on seniors’ views on health reform and…