Half of All Eligible Medicare Beneficiaries Are Now Enrolled in Private Medicare Advantage Plans

KFF May 1, 2023
Jeannie Fuglesten Biniek, Meredith Freed, Anthony Damico, and Tricia Neuman

According to recently released data from the Centers for Medicare & Medicaid Services (CMS), Medicare Advantage now provides Medicare coverage for just over half of eligible beneficiaries. In January 2023, 30.19 million of the 59.82 million people with both Medicare Part A and Part B were enrolled in a private plan (Figure 1).

Medicare Advantage, the private plan alternative to traditional Medicare, covers Medicare Part A and B benefits (and typically Part D benefits), often for no additional premium (other than the Part B premium). Insurance companies contract with the Medicare program and receive payments for providing these services.

Enrollment in Medicare Advantage has increased dramatically in recent years. In 2007, less than one in five (19%) eligible Medicare beneficiaries...

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