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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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  • Snapshots from the Kitchen Table: Family Budgets and Health Care

    Video

    This Kaiser Family Foundation documentary, “Snapshots from the Kitchen Table: Family Budgets and Health Care,” profiles several American families who are struggling to make ends meet. It depicts the narrow financial ledge on which millions of low- and middle- income working households stand even in normal economic times, and illustrates the central role that health care costs and coverage play in a household’s economic stability. Some of the families profiled have health insurance, others do…

  • Visualizing Health Policy: The Role of Medicaid and Medicare in Women’s Health Care

    Other Post

    This month’s Visualizing Health Policy infographic provides information about the role of Medicaid and Medicare in women’s health care: the proportion of US women who are covered by Medicaid and Medicare; how women comprise the majority of those covered by the Medicaid and Medicare programs and the majority of those receiving long-term services and supports (such as home health care); how women on Medicaid are poorer and sicker than women with private coverage; how Medicaid…

  • Medicare Advantage 2013 Spotlight: Enrollment Market Update

    Issue Brief

    This Data Spotlight provides an overview of Medicare Advantage enrollment patterns in March 2013, and examines variations by plan type, state, and firm. It also analyzes trends in premiums paid by beneficiaries enrolled in Medicare Advantage plans, including variations by plan type, and describes the out-of-pocket limits and prescription drug coverage in the Part D “donut hole” provided by the plans in 2013.

  • Medicare: The Essentials

    Feature

    Medicare: The Essentials (July 2013) Download Medicare Enrollment, 1966-2013 Download Source Centers for Medicare & Medicaid Services, Medicare Enrollment: Hospital Insurance and/or Supplemental Medical Insurance Programs for Total, Fee-for-Service and Managed Care Enrollees as of July 1, 2011: Selected Calendar Years 1966-2011; 2012-2013, HHS Budget in Brief, FY2014. Medicare Beneficiaries as a Percent of State Populations, 2012 Download Source Calculation based on Kaiser Family Foundation analysis of the CMS State/County Market Penetration file, March 2012;…

  • The Future of Medicare Advantage: Are We on the Right Path?

    Event Date:
    Event

    This June 10 briefing looked at Medicare Advantage and changes affecting it, including revised calculations of payments from CMS, and the Affordable Care Act's reduced payments to Medicare Advantage plans. Speakers discussed how Medicare Advantage plans are expected to respond to payment changes; if quality bonus payments created significant changes in patient care or plan choices; and what implications could these decisions have on beneficiaries with regard to premiums, benefits and more.

  • Transitions 2006

    Video

    On January 1, 2006, the six million Americans who are covered by both Medicare and Medicaid saw a change in how their prescription drugs are covered. The dual eligible population was transitioned from Medicaid into the Medicare prescription drug benefit. As a group, these beneficiaries are poorer and sicker than those on Medicare. Consequently, they have more extensive health and prescription drug needs than most Medicare beneficiaries.

  • Medicare and Medicaid at 40

    Video

    The Medicare and Medicaid health coverage programs were signed into law July 30, 1965. The Kaiser Family Foundation has some new resources that examine how Medicare and Medicaid came into existence and how they have evolved over the past 40 years. You will find new documentaries and extended interviews with key policymakers and government officials examining the origins of Medicare and Medicaid, new interactive historical timelines, a chart pack of key information and statistics, a…

  • Making Ends Meet: The Medicare Generation

    Video

    This short Kaiser Family Foundation documentary profiles the experiences of three Medicare families trying to pay for their health care costs with other household spending. The families are among 16 featured in a companion report examining the role Medicare now plays in the lives of beneficiaries and the challenges many face in paying for their health care and other living expenses on a fixed budget.