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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 Advantage in 2026: Enrollment Update and Key Trends

    Issue Brief

    More than half (55%) of eligible Medicare beneficiaries are enrolled in Medicare Advantage in 2026. 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

  • Medicare Part D in 2024: A First Look at Prescription Drug Plan Availability, Premiums, and Cost Sharing

    Issue Brief

    Medicare Part D prescription drug coverage is available for people with Medicare who enroll in private plans, either a stand-alone prescription drug plan (PDP) for people in traditional Medicare, or a Medicare Advantage plan that covers all Medicare benefits, including prescription drugs (MA-PD). This issue brief provides an overview of Part D plan availability and premiums in 2024 and key trends over time.

  • With Medicare Open Enrollment Underway, Beneficiaries Typically Will Have a Choice of 43 Medicare Advantage Plans for 2024, Consistent with 2023 But More than Double The Number From 2018

    News Release

    With open enrollment underway, Medicare beneficiaries have until December 7th to review and select their coverage for 2024. They also have a lot of options to choose from, as two new KFF analyses show. For many beneficiaries, the first decision is whether to enroll in traditional Medicare (often with supplemental coverage and a stand-alone prescription drug plan) or Medicare Advantage, the private plans sponsored by insurance companies that now cover more than half of all…

  • Unpacking the Prescription Drug Provisions of the Build Back Better Act

    Event Date:
    Event

    As the Build Back Better Act shifts from the House to the Senate, there’s considerable interest in provisions that would lower the cost of prescription drugs. The House-passed bill would allow the federal government to negotiate prices for some high-cost drugs in Medicare, and set a hard cap on out-of-pocket drug spending for Medicare Part D enrollees.  For people with Medicare and private insurance, the legislation would limit annual increases in drug prices and cap…

  • Sustaining Medicare for the Future: What’s Next In the Debt-Reduction Debate? Briefing and Panel Discussion

    Event Date:
    Event

    As Washington continues to search for long-term solutions to reduce federal spending, with Medicare often at the forefront of these discussions, the Kaiser Family Foundation held a policy briefing Wednesday, Jan. 30, at 9:30 a.m. to explore options that could be considered to reduce Medicare spending, and their implications for beneficiaries. Kaiser Family Foundation CEO Drew Altman provided opening remarks. The briefing featured a panel discussion with three former Medicare administrators –Mark McClellan of the…

  • Probing the Legal Arguments in the Drug Industry’s Challenges to Medicare Drug Price Negotiations

    Event Date:
    Event

    With the Biden administration’s announcement of the first 10 drugs to be negotiated for Medicare as part of the Inflation Reduction Act (IRA), an array of legal challenges from the pharmaceutical industry is potentially the biggest obstacle to implementation. On Tuesday, September 12, two legal experts and a health policy expert joined Larry Levitt, executive vice president for health policy at KFF, for a 45-minute discussion about the legal issues underpinning these lawsuits and how…

  • Medicare 101

    Feature

    This Health Policy 101 chapter explores Medicare, a federal health insurance program covering more than 68 million people, established in 1965 for people age 65 or older and later expanded to cover people under age 65 with long-term disabilities. In addition to detailing Medicare eligibility, coverage, and spending, the chapter examines the increased role of private plans in providing benefits and the financing challenges posed by increasing health care costs and an aging population.

  • KFF Health Tracking Poll July 2023: The Public’s Views Of New Prescription Weight Loss Drugs And Prescription Drug Costs

    Feature

    About half of adults are interested in taking prescription weight loss drugs. though interest drops when presented with obstacles or drawbacks. Many adults struggle with affording prescription drugs and say there should be more price regulation. Few are aware of provisions in the 2023 Inflation Reduction Act aimed at lowering the drug price for Medicare beneficiaries