Medicare

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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.

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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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  • ACA Marketplace Enrollment Is Down By 3 Million After Big Jump in Premium Payments

    Quick Insights

    Enrollment dropped 13% following the expiration of enhanced premium tax credits at the beginning of this year. Enrollment fell from a high of 22.1 million people in 2025 to 19.2 million people in February 2026. While the Trump administration attributes this drop in enrollment to their attempts to address fraud, this coverage loss happened at the same time millions of people faced steep increases in their premium payments – often in the double or even…

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

    Issue Brief

    The private plans that offer the Medicare Part D benefit - stand-alone drug plans and Medicare Advantage drug plans - are increasingly are competing on uneven terms, in part because the payment system for Medicare Advantage plans enables them to lower Part D premiums or reduce Part D cost sharing, making drug coverage from Medicare Advantage plans appear considerably cheaper, or even premium-free, to the beneficiary. This brief discusses the growing instability of the Part…

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

    Issue Brief

    The Medicare Part D program provides an outpatient prescription drug benefit to 56 million older adults and people with long-term disabilities in Medicare who enroll in private plans. This brief analyzes Medicare Part D enrollment, premiums, and cost sharing in 2026 and trends over time, based on data from the Centers for Medicare & Medicaid Services (CMS).

  • 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