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  • How Much Do People with Medicare Pay for Coverage?

    Issue Brief

    While Medicare covers a wide range of health care services, Medicare beneficiaries generally pay out-of-pocket for their monthly premiums, deductibles, and cost sharing for Medicare covered services. This brief provides an overview of the costs faced by Medicare beneficiaries in traditional Medicare, Medicare Advantage, and Medicare Part D, including premiums, deductibles, copays, and coinsurance, focusing on costs in 2026.

  • Medicare Advantage Plan Availability Varies Widely by County for 2027

    Issue Brief

    The analysis shows that plan level Medicare Advantage prescription drug availability varies widely across the country in 2027, with a modest reduction in the share of enrollees having more than 40 MA-PDs to choose from compared to 2026, and some major insurers exiting a much larger number of counties than they are entering.

  • Medicare Open Enrollment and Coverage Options: Key Questions and Answers

    Issue Brief

    Each year, Medicare beneficiaries have an opportunity to make changes to how they receive their Medicare coverage during the nearly 8-week annual open enrollment period. This brief answers key questions about the Medicare open enrollment period and Medicare coverage options.

  • Many Medicare Part D Stand-Alone Drug Plan Enrollees Will See Modest Premium Increases for 2027, But Others Could Pay Much More If They Don’t Switch Plans

    Issue Brief

    This brief analyzes the Medicare Part D stand-alone prescription drug plan (PDP) market for 2027. The analysis shows that there will be a modest reduction in the number of PDPs for 2027, along with modest premium increases less than $10 per month for many enrollees, but much larger monthly premium increases of $50 or more for others if they don’t change plans.

  • A promotional image for the the KFF Health Policy 101 Medicare chapter

    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.

  • Prior Authorization Metrics Provide New Insights into Insurer Practices, but Gaps Remain

    Issue Brief

    This analysis of available 2025 prior authorization data finds insurers denied at least 1 in 8 standard requests for prior authorization across three insurance markets: Medicare Advantage, Medicaid managed care, and the federally facilitated ACA Marketplaces. Denial rates varied wide segments by insurer. The analysis highlights limitations of the data and challenges for consumers interpreting it.

  • Digital Health Tools and Technologies: An Overview of CMS’ Recent Efforts to Expand Their Use in Medicare

    Issue Brief

    As an increasing share of older adults have adopted digital health technologies over the past several years, and with most expressing interest in using them to manage their health care, the Centers for Medicare & Medicaid Services (CMS) has introduced several initiatives to expand the use of digital health technologies in Medicare. This brief summarizes these initiatives and draws on data from various surveys, including KFF Tracking Polls from September 2025 and March 2026, to…

  • Medicare Advantage Insurers Deny Prior Authorization Requests for Post Acute Care at Substantially Higher Rates Than the Overall Denial Rate

    Policy Watch

    Two recent reports find that Medicare Advantage organizations deny prior authorization requests for long-term care hospital, inpatient rehabilitation hospital, and skilled nursing facility stays at higher rates than requests overall. When these decisions are appealed, they are frequently overturned, particularly for skilled nursing facility stays. This may cause delays for Medicare beneficiaries who are particularly vulnerable or have high care needs.