Medicare Advantage Open Enrollment 2025 Dates. Medicare open enrollment for the 2025 coverage year begins on october 15, 2025 and ends on december 7, 2025. Here’s what older americans need to know about shopping for health insurance.

During this time, beneficiaries can enroll in a medicare. But if you don’t like your plan, you can either change during the medicare open enrollment period (oep) from january 1 to march 31, 2025, during which time you.