Medicare Open Enrollment Period 2024 Dates. If you have medicare, open enrollment — which runs from october 15 through december 7 — is when you can make changes to your health and prescription. Bulger and his colleague roger van baaren, chief sales officer at geisinger health plan, discuss the 2024 medicare.

Any changes made during the 2023 period will go into effect beginning jan. You might pay a monthly late enrollment penalty, if you don’t.