Medicare Enrollment 2025 Deadline 2025. The deadline for medicare open enrollment is coming to a close on dec. The medicare annual election period (aep), also called the annual enrollment period or open enrollment period, ends this saturday, december 7th, 2025.

If you’re already enrolled, annual open enrollment runs from october 15 through december 7, 2025. The deadline for medicare enrollment is this saturday, december 7th!