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Medicare Part D

Many PDP Enrollees Will See Modest Premium Increases for 2027, But Others Could Pay Much More If They Don’t Switch Plans

KFF analysis of PDP availability and premiums shows a mixed picture: modest premium increases for many Part D enrollees for their current plan but steeper increases for others, and a reduction in the number of PDP options for the fourth year in a row.

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

How Medicare Advantage Rebates Disadvantage Medicare’s Stand-Alone Drug Plan Market

Medicare Part D Enrollment, Premiums, and Cost Sharing in 2026

Medicare Advantage

The Average Beneficiary has 28 Medicare Advantage Prescription Drug Plan Options for 2027

On average, Medicare beneficiaries will have the option of 28 Medicare Advantage prescription drug (MA-PD) plans in 2027, a decline from the 32 options available in 2026 (excluding employer plans and special needs plans not available for general enrollment).
The number varies across states. In 26 states and Puerto Rico, the average beneficiary has at least 20 MA-PD options in 2027, while in nine states and DC, the average beneficiary has fewer than 10 MA-PD options. Open enrollment runs from October 15 through December 7.

Medicare Advantage in 2026: Enrollment Update and Key Trends

Medicare Advantage Enrollees Have Access to Half of the Physicians Available to Traditional Medicare Beneficiaries

Medicare Advantage Insurers Made Nearly 53 Million Prior Authorization Determinations in 2024

Medicare Will Spend More Than $13 Billion on the Medicare Advantage Quality Bonus Program in 2026

NEW AND NOTEWORTHY

Decoding Medicare Advantage Coding Intensity

Federal payments to Medicare Advantage plans, and adjustments for health status, have come under increased scrutiny. This brief answers key questions about coding intensity, recent steps taken by CMS, the effects on beneficiaries, and other proposals to improve payment accuracy.

Prescription Drugs

CMS’s Decision to End Temporary Subsidies to Medicare’s Stand-Alone Drug Plans Could Mean Larger Premium Increases for Some Beneficiaries Next Year

The Centers for Medicare & Medicaid Services (CMS) plans to end the temporary Part D Premium Stabilization Demonstration after 2026. The goal of the demonstration, established in 2024, was to stabilize stand-alone prescription drug plan (PDP) premiums and enrollment amid the rollout of changes to the Part D benefit under the Inflation Reduction Act, including a new cap on annual out -of-pocket drug costs.

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

Nearly Four Million Medicare Beneficiaries Met the Eligibility Criteria in 2023 for the Medicare GLP-1 Bridge

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. Explore 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.

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  • Medicare Spending was 27% More for People who Disenrolled from Medicare Advantage than for Similar People in Traditional Medicare

    Issue Brief

    This analysis looks at traditional Medicare spending among people who choose to disenroll from Medicare Advantage and obtain coverage under traditional Medicare during the annual Medicare open enrollment period. It compares their traditional Medicare spending (Parts A and B) in the year following disenrollment to similar people who were continuously covered by traditional Medicare, using data from the Medicare Beneficiary Summary File (MBSF) for 2021 and 2022.

  • Medicare Spent an Average of 27% More on People Who Switched from Medicare Advantage to Traditional Medicare Compared to Those Who Were Only in Traditional Medicare

    News Release

    A new KFF analysis finds higher Medicare spending among people who switched from Medicare Advantage to traditional Medicare than for similar beneficiaries who were in traditional Medicare all along. Medicare spent an average of 27% more on such beneficiaries, according to the analysis, which examined health costs in traditional Medicare for both groups in the year following the switch, after adjusting for differences in health status and other characteristics. This amounts to a difference of…

  • Prescription Drug Coverage and Seniors: Findings from a 2003 National Survey

    Other Post

    This national survey of 17,685 seniors captures detailed information about their prescription drug use, coverage and experiences. It also includes state-specific comparative data for seniors in 12 states -- California, Colorado, Florida, Illinois, Louisiana, Michigan, New York, Ohio, Pennsylvania, Texas, Tennessee and Washington. This 2003 survey was conducted by the Kaiser Family Foundation, the Commonwealth Fund and Tufts-New England Medical Center. An article presenting its findings was published by Health Affairs as a web exclusive…

  • Medicare Part D: Issues for Dual Eligibles on the Eve of Implementation

    Issue Brief

    Medicare Part D: Issues for Dual Eligibles on the Eve of Implementation This issue brief describes how dual eligibles are treated under the Medicare drug benefit and the issues raised by their transition from Medicaid to Medicare drug coverage. The brief also explores key differences in the Medicare drug benefit compared to Medicaid drug coverage (formularies, copayments, and appeals policies) which could make the shift especially challenging for dual eligibles. Issue Brief (.pdf)

  • Perspectives on Medicare Part D and Dual Eligibles: Key Informants’ Views From Three States

    Report

    In 2006, low-income individuals receiving health coverage through both the Medicaid and Medicare programs, “dual eligibles,” experienced a change in their prescription drug benefit when their Medicaid prescription coverage was replaced by the Medicare prescription drug program known as Medicare Part D. This study provides information on the ongoing successes and challenges that dual eligibles faced in the first eight months of Part D and how different state approaches may affect dual eligibles’ ability to…

  • Methodology Appendix to the Medicare Part D 2008 Data Spotlights

    Issue Brief

    The Kaiser Family Foundation has also posted an appendix detailing the methodology used in the Medicare Part D 2008 Data Spotlight series. The series analyzes key aspects of the 2008 Medicare Part D prescription drug plan choices. All of the spotlights in this series were prepared by a team of researchers at Georgetown University, NORC and the Kaiser Family Foundation. Data Spotlight Appendix (.pdf)

  • Medicare Part D 2008 Data Spotlight: Utilization Management

    Issue Brief

    This Medicare Part D data spotlight examines three common techniques used by Medicare stand-alone prescription drug plans in 2008 to manage enrollees’ use of formulary drugs, such as quantity limits, prior authorization, and step therapy rules. This is one in a series analyzing key aspects of the 2008 Medicare Part D prescription drug plan choices. It analyzes data from the 47 stand-alone prescription drug plans available nationwide using a sample of 169 commonly-used and high-cost…

  • The Diversity of Dual Eligible Beneficiaries: An Examination of Services and Spending for People Eligible for Both Medicaid and Medicare

    Issue Brief

    This issue brief analyzes linked Medicare and Medicaid data to examine dual eligibles' utilization and spending in both programs in 2007. As a group, dual eligibles are costly—with per capita Medicare and Medicaid spending over four times Medicare spending for other beneficiaries. However, a small share of dual eligibles account for most of the group's spending, and dual eligibles who are high cost to the Medicare program are generally not the same individuals who are…

  • 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…