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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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  • Choosing a Medicare Part D Plan: Are Medicare Beneficiaries Choosing Low-Cost Plans?

    Report

    Since 2006, Medicare beneficiaries have had the opportunity to choose from among dozens of plans to get the Part D prescription drug benefit, facing wide variation in benefits, premiums and cost-sharing. The array of choices, with more than 50 stand-alone drug plans in many states, could allow beneficiaries to select a plan that provides the best value for their individual medical and economic needs. This study uses actual pharmacy claims experiences, and premium and cost-sharing…

  • Prospects for Retiree Health Benefits as Medicare Drug Coverage Begins – Report

    Report

    Prospects for Retiree Health Benefits as Medicare Drug Coverage Begins:Findings from the Kaiser/Hewitt 2005 Survey on Retiree Health Benefits - Report This report assesses how large businesses that provide retiree health benefits to their workers are responding to the new Medicare drug benefit in 2006, their plans for the future, and the way these responses affect retirees. It also looks at the rising costs and changing benefits of retiree health coverage overall in 2005. Full…

  • Hispanics and the New Medicare Drug Benefit

    Poll Finding

    In a few short weeks, Medicare will undergo big changes that will have a major impact on more than 3 million Hispanic seniors and younger people with permanent disabilities who rely on Medicare for their health coverage. More than one in three Hispanics with Medicare lack coverage for their prescription drugs for at least part of the year. Many others will need to make decisions about their existing coverage and the new Medicare benefit. Starting…

  • Special Needs Plans: Availability and Enrollment

    Report

    Special Needs Plans are a form of Medicare Advantage plan authorized to provide a managed care option for beneficiaries with significant or relatively specialized care needs, including Medicare beneficiaries who are dually eligible for Medicare and Medicaid, beneficiaries living in nursing homes or other institutions, and beneficiaries with severe chronic or disabling conditions. This data spotlight examines availability and enrollment trends for Special Needs Plans, which account for a small share of enrollment today but…

  • Medicare Part D Data Spotlight: A First Look at Part D Plan Offerings in 2012

    Report

    This data spotlight examines the stand-alone Part D drug plan options available to Medicare beneficiaries in 2012. Medicare beneficiaries will, on average, be able to choose from 31 stand-alone Medicare Part D prescription drug plans to choose from, a new Kaiser analysis finds. Average premiums would increase by 4 percent from 2011 to 2012 if beneficiaries remain with their current plans during the open enrollment period, which begins October 15 and December 31. That represents…

  • Observations on the Initial Implementation of the Medicare Prescription Drug Program:  Perspectives of State Medicaid Directors Through a Focus Group Discussion

    Report

    Observations on the Initial Implementation of the Medicare Prescription Drug Program: Perspectives of State Medicaid Directors Through a Focus Group Discussion Medicaid directors express the need to continue to focus on the interaction between Medicaid and the Medicare prescription drug benefit and to address the key system and coordination issues that remain, particularly with the potential disruptions that could occur in January 2007 when new Medicare drug plan contracts and recalculated benchmarks for the low-income…

  • Toplines: June 2006 Kaiser Health Poll Report

    Poll Finding

    These toplines include selected findings from the June 2006 Kaiser Health Poll Report Survey, a bimonthly survey designed to provide key tracking information on public opinion about health care topics. Toplines (.pdf)

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

    Fact Sheet

    Dual Enrollees: Medicaid's Role for Low-Income Medicare Beneficiaries This fact sheet describes the low-income elderly population that is eligible for both Medicaid and Medicare, why they need Medicaid, what services they receive from Medicaid, and the current policy challenges related to this population. Fact Sheet (.pdf)

  • Low-Income Medicare Beneficiaries: How the House and Senate Prescription Drug Bills Address Their Drug Needs

    Report

    The House and Senate versions of a Medicare prescription drug bill treat the drug costs of those dually-eligible for Medicare and Medicaid and other low-income Medicare beneficiaries quite differently. The Kaiser Commission on Medicaid and the Uninsured cosponsored a policy briefing on the key issues in the two bills that would impact low-income beneficiaries and released a brief and background report on the topic. A Prescription Drug Benefit in Medicare: Implications for Medicaid and Low-Income…