Key dates and enrollment periods you need to know
When: 7 months (3 months before, month of, and 3 months after your 65th birthday)
What: First time you can enroll in Medicare Parts A and B
When: October 15 – December 7 each year
What: Change Medicare Advantage or Part D plans
When: January 1 – March 31 each year
What: Switch Medicare Advantage plans or return to Original Medicare
When: Varies based on qualifying life events
What: Enroll or change plans outside normal periods