Medicare

This brief presents facts about Medigap, including the characteristics of Medicare beneficiaries with a Medigap policy, variation in Medigap enrollment by state, and Medigap premiums.

This brief examines current Medicaid eligibility policies and enrollment patterns using data from KFF’s 2024 50-state survey of states’ eligibility and enrollment policies for seniors and people with disabilities, and 2021 Medicare and Medicaid claims data from the Centers for Medicare and Medicaid Services (CMS).

This issue brief merged beneficiary-level Medicare and Medicaid data from 2021 to document sources of coverage for dual-eligible individuals nationwide and by state.

This analysis examines the extent to which large private and non-federal public employers that offer retiree health benefits are turning to Medicare Advantage and why they are making this shift, using data from the 2024 Employer Health Benefits Survey. We find that slightly more than half (56%) of large employers offering retiree health benefits to Medicare-age retirees offer coverage to at least some retirees through a contract with a Medicare Advantage plan, more than double the share in 2017 (26%).

This brief provides an overview of the Medicare Part D prescription drug benefit, including current data on plan availability, enrollment, and spending and financing, and highlights recent changes under the Inflation Reduction Act.

This policy watch examines the implications of new proposed regulations that would allow Medicare and require Medicaid to cover drugs used to treat obesity, including a relatively new class of highly effective but costly drugs known as GLP-1s.