Medicare General Enrollment Period 2024. The general enrollment period (gep) is the time period every year from january 1 to march 31 when you can enroll in medicare part b for the first time if you missed your initial enrollment. Most people sign up for both part a and part b when they’re first eligible (usually when they turn 65).
1 to march 31 each year. This initial period lasts for a total of seven months, starting.