10/06/2026
Annual Enrollment Period (October 15 – December 7): You can switch your Medicare Advantage plans, return to Original Medicare, or change prescription drug plans. Changes start on January 1.
Medicare Advantage Open Enrollment Period (January 1 – March 31): If you already have a Medicare Advantage plan, you can switch to a different one or drop it to return to Original Medicare once during this window.
Special Circumstances
Special Enrollment Periods (SEPs): You can change plans outside these windows if you experience specific life events. Examples include moving out of your plan's service area, losing other insurance, or qualifying for Medicaid.