Medicare General Enrollment Period 2025 Eligibility. The medicare open enrollment period for 2025 runs from october 15, 2024, to december 7, 2024. Medicare enrollment periods may be of different types.

The medicare general enrollment period takes place annually from january 1st to march 31st. The three medicare enrollment periods — initial, special and general — are specific time frames when you can enroll in medicare based on certain circumstances, such as choosing to delay enrollment if you continue.