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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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  • An Analysis of the Share of Medicare Beneficiaries Who Would Benefit from an Annual Out-of-Pocket Maximum under Traditional Medicare Over Multiple Years

    Issue Brief

    This analysis examines the share of Medicare beneficiaries who would be helped over time if the program were to add a limit on out-of-pocket spending to traditional Medicare. This analysis was conducted jointly with the Medicare Payment Advisory Commission (MedPAC) in response to a request made during a Feb. 26, 2013 hearing of the House Ways and Means' Subcommittee on Health.

  • How Medicare Advantage Rebates Disadvantage Medicare’s Stand-Alone Drug Plan Market

    Issue Brief

    The private plans that offer the Medicare Part D benefit - stand-alone drug plans and Medicare Advantage drug plans - are increasingly are competing on uneven terms, in part because the payment system for Medicare Advantage plans enables them to lower Part D premiums or reduce Part D cost sharing, making drug coverage from Medicare Advantage plans appear considerably cheaper, or even premium-free, to the beneficiary. This brief discusses the growing instability of the Part…

  • Medicare Part D Enrollment, Premiums, and Cost Sharing in 2026

    Issue Brief

    The Medicare Part D program provides an outpatient prescription drug benefit to 56 million older adults and people with long-term disabilities in Medicare who enroll in private plans. This brief analyzes Medicare Part D enrollment, premiums, and cost sharing in 2026 and trends over time, based on data from the Centers for Medicare & Medicaid Services (CMS).

  • Lowering the Age of Medicare Eligibility Would Likely Reduce Health Spending for Employers, But Raise Costs for the Federal Government by Covering More People in Medicare

    News Release

    Two new KFF analyses find that lowering the age of Medicare eligibility from 65 to 60 could significantly reduce health spending for employers, who could potentially pass savings to employees in the form of lower premiums or higher wages. Additionally, per person health spending for older adults who move from employer coverage on to Medicare would likely be lower, though such moves would shift costs to taxpayers and increase Medicare program expenditures overall. President Biden…

  • Medicare and Telehealth: Coverage and Use During the COVID-19 Pandemic and Options for the Future

    Issue Brief

    This brief provides an overview of changes in coverage of telehealth under traditional Medicare before the coronavirus pandemic, and estimates changes in use of telehealth services using survey data from the Medicare Current Beneficiary Survey (MCBS) during the pandemic. The analysis also discusses issues and questions related to extending telehealth coverage under traditional Medicare beyond the public health emergency.

  • More Than 1 in 4 Medicare Beneficiaries Had a Telehealth Visit Between the Summer and Fall of 2020

    News Release

    As the coronavirus pandemic kept people home last year, just over 1 in 4 Medicare beneficiaries had a telehealth visit with a doctor or other health professional between the summer and fall of 2020, a new KFF analysis finds. Once limited to beneficiaries living in rural areas, coverage of telehealth services by traditional Medicare has undergone rapid expansion during the pandemic, with new options including allowing some services to be provided via audio-only telephone. Medicare…

  • Key Facts About Medicare Part D Enrollment, Premiums, and Cost Sharing in 2021

    Issue Brief

    The Medicare Part D program provides an outpatient prescription drug benefit to older adults and people with long-term disabilities in Medicare who enroll in private plans, including stand-alone drug plans and Medicare Advantage drug plans. This analysis provides the latest data about Part D enrollment, premiums, and cost sharing in 2021 and trends over time.

  • March 30 Web Event: Unsung Heroes: The Crucial Role – and Tenuous Circumstances – of Home Care Workers During the Pandemic

    Event Date:
    Event

    Even as the pandemic took a devastating toll on health care workers and older adults in the United States, many home care workers continued to report to work and provide vital care to vulnerable people despite the health risks to themselves and their own families. KFF’s Kaiser Health News and The John A. Hartford Foundation held an interactive web event on March 30 to examine the crucial roles home care workers have played for families during…