KFF November 22, 2024
During the Medicare open enrollment period from October 15 to December 7 each year, people with Medicare can enroll in a plan that provides Part D prescription drug coverage, either a stand-alone prescription drug plan (PDP) for people in traditional Medicare, or a Medicare Advantage plan that covers all Medicare benefits, including prescription drugs (MA-PD). In 2024, 53 million of the 67 million Medicare beneficiaries are enrolled in Medicare Part D plans, including employer-only group plans; of the total, 57% are enrolled in MA-PDs and 43% are enrolled in stand-alone PDPs. This analysis provides an overview of Part D plan availability, premiums, and cost sharing in 2025 and key trends over time. (Separate analyses of 2025 Medicare Advantage plans, premiums...