Your original Medicare coverage doesn't run out as long as you pay your monthly premium (the monthly payment). If you have a Medicare Advantage plan. My birthday is the first day of the month. The annual Medicare open enrollment period runs from October 15 to December 7 of each year (figure).During this time, people with Medicare can review the characteristics of the Medicare plans offered in their area and make changes to their Medicare coverage, which will take effect on January 1 of the following year.
These changes include the change from a traditional Medicare plan to a Medicare Advantage plan (or vice versa), the change of a Medicare Advantage plan, and the choice or change of a Medicare Part D prescription drug plan.
