Medicare Advantage Open Enrollment 2024 Medicare Advantage. Medicare advantage open enrollment happens every year from january 1 through march 31. 1 to march 31 annually.

You can sign up for or switch medicare plans during medicare open enrollment 2024 (for your 2025 coverage), including the following options. It’s a good idea to review your plans during open enrollment, which begins tuesday, so you don’t get caught by surprise next year.