Medicare Advantage Open Enrollment 2025 Pdf.  — are you ready for medicare open enrollment 2025? Medicare’s open enrollment runs october 15 through december 7 and is the time of year when you can make certain changes to your medicare coverage.

 — in 2025, about 54% of the 61.2 million medicare beneficiaries with parts a and b are enrolled in a medicare advantage plan, representing 32.8 million enrollees. 1 of the coming year.