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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  • 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.

  • 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.

  • The Facts About Medicare Spending

    Feature

    This interactive provides the facts on Medicare spending. Medicare, which serves 70 million people and accounts for 14 percent of the federal budget and 21 percent of national health spending, is at the heart of discussions about health expenditures and affordability. 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…

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

    Quick Insights

    Without these extra subsidies in place for 2027, some Part D stand-alone drug plan (PDP) enrollees could see a larger premium increase for drug coverage next year than they’ve faced in recent years, though plan-specific premium amounts are not yet known. While some policymakers questioned the rationale for and cost of the premium stabilization demonstration, which totaled $9.8 billion in 2025 and 2026, the extra subsidies worked as intended to stabilize year-over-year PDP premium increases…

  • A Profile of Dual-Eligible Individuals

    Issue Brief

    Approximately 12 million people are enrolled in both Medicare and Medicaid, referred to as dual-eligible individuals. This brief examines the demographic, socioeconomic, and health characteristics of dual-eligible individuals compared with Medicare beneficiaries without Medicaid.