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There are three enrollment periods.
Between October 15 and December 7, anyone can join, switch or drop a Medicare Advantage Plan. Your coverage will begin on January 1, as long as the plan gets your request by December 7.
Between January 1 and February 14, if you're in a Medicare Advantage Plan, you can leave your plan and switch to Original Medicare. If you switch to Original Medicare during this time, you'll have until February 14 to also join a Medicare prescription drug plan. Your coverage will begin the first day of the month after the plan gets your enrollment form.
During this period, you can't do the following:
When you first become eligible for Medicare, you can join during the 7 month period that starts 3 months before the month you turn 65, includes the month you turn 65 and ends 3 months after the month you turn 65.
In most cases, you must stay enrolled for the calendar year starting the date your coverage begins. However, in certain situations, you may be able to join, switch or drop a Medicare Advantage Plan during a special enrollment period. Contact your plan if any of these situations apply to you:
Contact your plan if any of these situations apply to you.
For more information, refer to the Medicare and You Handbook.
*Dates subject to change after January 1, 2018.