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This brief describes the scope of mental health and substance use disorder benefits in Medicare Advantage plans, including extra benefits, cost sharing, and prior authorization and referral requirements, based on an analysis of the Centers for Medicare and Medicaid Services (CMS) Medicare Advantage plan benefit and enrollment files for 2022.
In 2024, more than half (54%) of eligible Medicare beneficiaries are enrolled in Medicare Advantage plans. This brief provides current information about Medicare Advantage enrollment, by plan type and firm, and shows how enrollment varies by state and county.
Changes to the Medicare Part D benefit in the Inflation Reduction Act will mean lower out-of-pocket costs for Part D enrollees but higher costs for Part D plans overall, leading to concerns about possible premium increases. These FAQs provide context for understanding Part D premiums in 2025 and changes in recent years, and describe actions the Centers for Medicare & Medicaid Services (CMS) is taking to mitigate potential premium increases.
This brief analyzes 2024 Medicare Part D enrollment, premiums, and cost sharing. The analysis highlights the continued growth in Medicare Advantage enrollment in the Part D marketplace and substantially higher average monthly premiums for stand-alone Part D drug plan coverage. Changes to the Part D benefit included in the Inflation Reduction Act are helping to lower out-of-pocket costs for patients but could also contribute to higher-priced Part D coverage.
The new provider search tool on the Medicare Plan Finder could make it easier for beneficiaries to figure out if their doctors are in a Medicare Advantage plan's network despite some data issues.
To better understand the growing role of Special Needs Plans (SNPs) in Medicare Advantage, this brief examines SNP enrollment trends using recent Medicare Advantage enrollment data published by the Centers for Medicare and Medicaid Services (CMS).
In 2025, more than half (54%) of eligible Medicare beneficiaries are enrolled in Medicare Advantage plans. This brief provides current information about Medicare Advantage enrollment, by plan type and firm, and shows how enrollment varies by state and county.
Medicare does not cover routine dental care and about half of Medicare beneficiaries do not have dental coverage. This brief examines five potential ways to make oral health care more available and affordable for the Medicare population. This brief reviews the limits of dental coverage permitted under current Medicare law, then describes each of the policy options, with an analysis of likely implications for key stakeholders, including Medicare beneficiaries, taxpayers, insurers, and dental professionals
Most Medicare Advantage enrollees are in plans that have waived cost sharing for COVID-19 treatment, and many other beneficiaries in traditional Medicare have their cost sharing covered by supplemental insurance. This blog post discusses the 6 million Medicare beneficiaries without supplemental coverage who would face out-of-pocket costs if they require treatment for COVID-19.
This report takes an in-depth look at Medicare Advantage plans’ hospital networks. The analysis draws upon data from 409 Medicare Advantage plans serving beneficiaries in 20 diverse counties that together accounted for about one in seven (14%) Medicare Advantage enrollees nationwide in 2015. The report examines the size and composition of plans’ hospital networks, the variation across counties, the inclusion of Academic Medical Centers and NCI-Designated Cancer Centers, and the relationship between network size and other plan features, including premiums, quality star ratings, per capita Medicare spending, parent organization, and plan tax status.
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