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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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  • Displaced by Hurricane Katrina: Issues and Options for Medicare Beneficiaries

    Issue Brief

    An estimated 200,000 Medicare beneficiaries were displaced by Hurricane Katrina. Medicare played a key role in meeting the health care needs of the elderly and disabled beneficiaries who were displaced by the hurricane. Many of these beneficiaries face new challenges as a direct result of the hurricane. This issue brief identifies issues and challenges for individuals on Medicare affected by the hurricane and offers options for addressing these problems during the transition period. This issue…

  • Toplines: December 2005 Kaiser Health Poll Report

    Poll Finding

    Toplines: December 2005 Kaiser Health Poll Report These toplines provide the complete survey questions and responses to the December 2005 Kaiser Health Poll Report Survey, a bimonthly survey designed to provide key tracking information on public opinion about health care topics. The survey includes a series of questions on seniors' views of the new Medicare prescription drug benefit. Survey Toplines (.pdf)

  • The Stability of Medicaid Coverage for Low-Income Dually Eligible Medicare Beneficiaries

    Report

    This report examines the stability of dual eligibility for the seven million Americans who rely on Medicaid to fill the gaps in their Medicare coverage and its implications for Medicare's new prescription drug benefits. The analysis focuses on the duration of dual eligibility, the rates of gain and loss of Medicaid coverage and sources of Medicare supplementation preceding and following periods of Medicaid enrollment. The paper analyzes data from the Medicare Current Beneficiaries Surveys from…

  • Toward Making Medicare Work for Low-Income Beneficiaries: A Baseline Comparison of the Part D Low-Income Subsidy and Medicare Savings Programs Eligibility and Enrollment Rules

    Report

    Toward Making Medicare Work for Low-Income Beneficiaries: A Baseline Comparison of the Part D Low-Income Subsidy and Medicare Savings Programs Eligibility and Enrollment Rules This report examines how the low-income provisions of the Medicare drug benefit interact with state-level assistance provided through the Medicare Savings Program. The Medicare drug benefit provides additional help with premiums and cost-sharing requirements for eligible, low-income beneficiaries. The Social Security Administration oversees enrollment in this program. Separately, each state runs…

  • Oral Health in the U.S.: Key Facts

    Fact Sheet

    This fact sheet provides data on oral health care coverage and access for children, nonelderly adults and Medicaid beneficiaries, including state-by-state data on measures such as the share of adults who have had a dental visit within the past year. Fact Sheet (.pdf)

  • Overview of Medicare Part D Organizations, Plans and Benefits By Enrollment in 2006 and 2007

    Report

    This chartpack provides detailed information about Medicare beneficiaries’ enrollment in the many private drug plans available to them in 2007. The charts demonstrate that a relatively small number of companies which captured the most enrollees in 2006, the new benefit’s first year, continued to lead in market share in the current year. In addition, most enrollees in 2007 are in plans without gap coverage – with about 11.8 million people potentially at risk for reaching…

  • Rethinking Medicaid’s Financing Role for Medicare Enrollees

    Issue Brief

    This issue brief examines coverage of the nearly 9 million "dual eligible" beneficiaries, the low-income elderly and persons with disabilities who are enrolled in both Medicare and Medicaid. It explores the national and state impacts of shifting the financing of selected services for dual eligibles from Medicaid to Medicare, including having the federal government pick up the full cost of Medicare premiums, cost-sharing and gaps in Medicare-covered services and long-term care services for this population.…

  • Chartpack: Kaiser Health Tracking Poll — April 2009

    Poll Finding

    This document contains the chartpack from the April Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted April 2 through April 8, 2009, among a nationally representative random sample of 1,203 adults ages 18 and older. Telephone interviews conducted by landline (902) and cell phone (301, including 98 who had no landline telephone) were carried out in English and Spanish. The margin of…

  • The Obama Administration’s 2010 Call Letter for Medicare Advantage and Prescription Drug Plans: Implications for Beneficiaries

    Issue Brief

    On March 30, 2009, the Centers for Medicare & Medicaid Services issued the 2010 “call letter,” which functions as a request for proposals to private health insurers and organizations that want to sponsor Medicare Advantage Plans or Medicare Prescription Drug Plans. This issue brief reviews the call letter — the first issued by the Obama Administration — and examines the implications for beneficiaries of some of the proposed changes, including its emphasis on accountability of health plan sponsors, promoting…

  • Medicare Part D 2009 Data Spotlight: Specialty Tiers

    Issue Brief

    Most Medicare Part D prescription drug plans use tiers with different cost-sharing amounts for generic, preferred, and non-preferred drugs, and also include an additional “specialty” tier for very high cost and unique drugs. This 2009 Part D Data Spotlight examines use of the specialty tier, including the numbers and kinds of drugs included on specialty tiers, what beneficiaries pay for those drugs, and trends over time. The spotlight is one in a series analyzing key…