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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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  • Restructuring Medicare’s Benefit Design: Implications for Beneficiaries and Spending

    Report

    Several deficit-reduction plans have proposed combining Medicare's separate deductibles for hospital and physician services, standardizing cost sharing across types of benefits, and establishing a new limit on annual out-of-pocket costs for beneficiaries. A new Kaiser Family Foundation study examines the potential implications of proposals to revamp Medicare’s cost-sharing requirements as a way of reducing federal spending. The analysis projects what would happen if Medicare's current benefit design were replaced with a unified deductible of $550;…

  • Transforming Medicare into a Premium Support System: Implications for Beneficiary Premiums

    Report

    This study illustrates why geography would matter for Medicare beneficiaries under a premium support system that relies on a competitive bidding process envisioned under several key Medicare reform proposals. It examines potential changes in the premiums paid by Medicare beneficiaries under a payment approach that caps federal contributions per beneficiary based on the cost of the second lowest-bidding private plan or traditional Medicare, whichever is lower in their area. Under this approach, beneficiaries can choose…

  • Whom Does the Public Trust More on Health Care and Medicare?

    Poll Finding

    This data note reviews takes a historical look at the public's views of whom they trust more, Democrats or Republicans, when it comes to health care policy and Medicare policy and analyzes these views in the context of the current presidential election, in which both issues are playing a prominent role. Data Note (.pdf)

  • Medicare Restructuring: The FEHBP Model A Summary – Report

    Report

    Medicare Restructuring: The FEHBP Model Executive Summary As policymakers consider measures to assure the long-range solvency of Medicare, one option that has received increasing attention is a "premium support" system. Under such a system beneficiaries would choose between the original Medicare fee-for-service program and a variety of competing health plans. They would receive a fixed government contribution toward the plan of their choice and would pay any remaining costs themselves. Proponents of a premium support…

  • Profile and Analysis of the 26 Medicare Advantage Regions

    Issue Brief

    This issue brief examines the 26 new Medicare Advantage PPO regions and their implications for beneficiaries. The paper describes the characteristics of the new Medicare Advantage regions and the extent to which Medicare Advantage plans are already available in each region. It highlights the substantial gap between the current availability of Medicare Advantage health plans, including Medicare HMOs, PPOs and private fee-for-service plans, throughout the country and that intended for 2006. Issue Brief (.pdf)

  • I am 54 and living with a permanent disability, and for the past 12 months I have been receiving Social Security disability insurance (SSDI) payments. But I do not have health insurance. I am required t...

    FAQs

    Yes, you are eligible to purchase coverage through the Marketplace, and if your income is between at least 100% of poverty (for buying Marketplace coverage in 2026, that means an income of $15,650 for an individual) you will qualify for premium tax credits to help make Marketplace coverage more affordable. If you live in a state that has expanded its Medicaid program to cover adults under age 65 with incomes up to 138% of poverty…

  • I am 70 years old and covered by Medicare, but I’m wondering if I can purchase one of the health plans offered through the Marketplace and drop my Medicare coverage? Is that an option for me or should I...

    FAQs

    If you have Medicare, you should keep it. In fact, companies that sell Marketplace plans are prohibited from selling these plans to you if they know you are covered by Medicare. And if you are eligible for premium-free Medicare Part A, you are not eligible to receive the Marketplace premium tax credit to help reduce the cost of a Marketplace policy, even if you would qualify based on your income. If you do drop Medicare…

  • I am enrolled in a Medicare Advantage plan, but have recently made plans to do some traveling throughout the United States. Will my plan provide the same coverage in all the states I visit?

    FAQs

    Not necessarily. You will need to contact the company that is offering your plan to find out if or which benefits are available out-of-state. If your plan does not offer out-of-state coverage, there may be another plan offered by the same firm that does, or a similar plan offered by another firm in your area. If you decide that you would like to switch to a different plan, however, note that you will need to…

  • Prices Increased Faster Than Inflation for Half of all Drugs Covered by Medicare in 2020

    Issue Brief

    Recent legislation would require drug companies to pay rebates to the federal government when annual increases in prescription drug prices for Medicare and private insurance exceed the rate of inflation. As context for understanding the possible impact of this proposal, this analysis compares price changes for drugs covered by Medicare Part B (administered by physicians) and Part D (retail prescription drugs) between 2019 and 2020 to the inflation rate over the same period.

  • Medicare Advantage Provider Networks Limit Enrollees to About Half of the Physicians in Their Area That Are Available to Beneficiaries in Traditional Medicare, on Average

    News Release

    With Medicare’s annual open enrollment period underway, a new KFF analysis finds that Medicare Advantage enrollees, on average, had access to just under half (48%) of the physicians in their area who were available to people enrolled in traditional Medicare. The finding illustrates a key tradeoff for beneficiaries in choosing Medicare Advantage.  Such plans can be appealing to beneficiaries because they offer extra benefits and cap out-of-pocket costs without the need for supplemental coverage. But…