The Annual Enrollment Period (AEP) for Medicare is between October 15 and December 7th. During AEP you can make changes to your coverage such as:
- Switch from one Medicare Advantage plan to another
- Switch from Original Medicare to Medicare Advantage or vice versa
Starting in 2019, between January 1 and March 31, you also have the option to switch from one Medicare Advantage Plan to another or switch from Medicare Advantage back to Original Medicare.