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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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  • Briefing Examines High Medicare Spending for Beneficiaries in Long-Term Care

    Event Date:
    Event

    These three reports examine the relatively high use of hospital and other Medicare-covered services and the associated costs of medical care for Medicare beneficiaries who live in nursing homes and other long-term-care facilities. They also explore the potential for delivery system reforms to improve quality and reduce costs. Medicare Spending and Use of Medical Services for Beneficiaries in Nursing Homes and Other Long-Term Care Facilities: A Potential for Achieving Medicare Savings and Improving the Quality…

  • Medicare Chartbook, 2010

    Report

    This chartbook provides the most recent and reliable data available about the Medicare program and the 47 million seniors and younger people with disabilities who get health insurance coverage through the program. Topics covered include: Medicare beneficiaries; the program's benefits, utilization, and access to care; prescription drugs; the Medicare Advantage program; the role of Medicaid for Medicare beneficiaries; supplemental insurance coverage; out-of-pocket spending; and Medicare spending and financing. Printable Chartbook (.pdf)

  • A Primer on Dually Eligible Beneficiaries

    Event Date:
    Event

    The nine million dually eligible beneficiaries are generally poorer and sicker than other Medicare beneficiaries, tend to use more health care services, and thus account for a disproportionate share of Medicare and Medicaid spending. Because they often have complex medical and long-term care needs, and must navigate both Medicaid and Medicare benefits and financing, they present a special challenge for those seeking a more efficient and coordinated care delivery system. The panel will address such…

  • Medigap Reforms: Potential Effects of Benefit Restrictions on Medicare Spending and Beneficiary Costs

    Report

    As part of several debt-reduction and Medicare-reform proposals, some policymakers propose to prohibit Medicare supplemental insurance policies (known as Medigap) from covering all of enrollees' out-of-pocket Medicare costs, which some believe leads to higher use of services and higher Medicare spending. Such changes would expose Medigap enrollees – currently about one in six Medicare beneficiaries – to a larger share of Medicare's cost-sharing requirements. This analysis commissioned by the Kaiser Family Foundation examines three potential…

  • Analysis of Medicare Prescription Drug Plans in 2011 and Key Trends Since 2006

    Report

    This report presents findings from an analysis of the Medicare Part D marketplace in 2011 and changes in drug coverage and costs since 2006. It presents key findings related to Medicare drug plan premiums, the subsidy for low-income beneficiaries, the coverage gap, benefit design and cost sharing, formularies, and utilization management, based on data from CMS for all plans participating in Part D. The analysis was conducted jointly by Jack Hoadley and Laura Summer of Georgetown…

  • Comparison of Medicare Premium Support Proposals

    Issue Brief

    This brief provides a side-by-side comparison of recent proposals to transform Medicare into a premium support program and slow the future growth in Medicare spending. These proposals each would convert Medicare from a defined benefit program, in which beneficiaries are guaranteed coverage for a fixed set of benefits, to a defined contribution or "premium support" program, in which beneficiaries are provided a fixed federal payment to help cover their health care expenses. The brief compares…

  • Massachusetts and Ohio: Capitated Financial Alignment Demonstrations for Dual Eligible Beneficiaries Compared

    Fact Sheet

    The Centers for Medicare and Medicaid Services (CMS) has finalized memoranda of understanding (MOUs) with Massachusetts and Ohio to test a capitated financial alignment model to integrate care and align financing for people who are dually eligible for Medicare and Medicaid in 2013. CMS also has signed an MOU with Washington to test a managed fee-for-service model. These three year demonstrations will introduce changes in the care delivery systems through which beneficiaries presently receive services…

  • Policy Options to Sustain Medicare for the Future

    Report

    With Medicare expected to be a key part of Washington’s ongoing debate about solutions to reduce the federal budget and national debt, this report serves as a compendium of policy options that may be discussed in upcoming budget debates. The report presents a wide array of options in several areas and lays out the possible implications of these options for Medicare beneficiaries, health care providers, and others, as well as estimates of potential savings, when…

  • Public Opinion Polling on Raising the Age of Medicare Eligibility: Historic Trends and Current Nuances

    Poll Finding

    Given the recent debate over raising the age of Medicare eligibility, it is useful to understand public opinion on the issue. This Data Note analyzes KFF's historic trends and gives a current snapshot of public opinion on the proposal, with a special focus on how views differ by age, and the partisan divide that pervades public opinion on healthcare. The analysis then investigates how different arguments sway views on raising the age of Medicare eligibility…