When To Enroll in Medicare

Choose Your Birthday Month	Begin to enroll the 1st day of	enroll by the last day of
January	October	April
February	November	May
March	December	June
April	January	July
May	February	August
June	March	September
July	April	October
August	May	November
September	June	December
October	July	January
November	August	February
December	September	March

Note that coverage cannot begin earlier than the 1st day of the month you were born if you register the three months prior to your birthday month.

If you are already receiving Social Security Benefits or benefits from the Railroad Retirement Board, you will be automatically enrolled in Medicare Part A and B.