Medicare open enrollment 2027 dates
The gist
Medicare open enrollment for 2027 coverage runs Oct. 15 through Dec. 7, 2026, for over 70 million enrollees.
Nearly 3.2 million Medicare Advantage enrollees must shop for new plans as theirs end.
How it unfolded
- Sep 30, 2026Deadline for Medicare Advantage plans to send the Annual Notice of Change describing what shifts for the coming year.
- Oct 15, 2026Medicare open enrollment for 2027 coverage begins, running through Dec. 7, 2026.
- Dec 7, 2026Medicare open enrollment for 2027 coverage ends.