Medicare Part D Enrollment Period Calendar

  • You are eligible to enroll
    in a Part D plan because:
  • What Medicare
    allows you to do:
  • Your Medicare Part D
    enrollment period:
    • You are eligible to enroll in a Part D plan because:
    • You turned 65 and are now eligible for Medicare Part A and/or enrolled in Medicare Part B
    • What Medicare allows you to do:
    • Sign up for a Medicare Prescription Drug Plan.
      Note: Be aware of the Medicare's Late Enrollment Penalty (LEP). Late Enrollment Penalty (LEP).
    • Your Medicare Part D enrollment period:
    • Your Initial Enrollment Period (IEP), which is 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 651.
    • You are eligible to enroll in a Part D plan because:
    • You are disabled, under age 65, and eligible for Medicare
    • What Medicare allows you to do:
    • Enroll in a Medicare Advantage and/or Medicare Prescription Drug Plan.

      Enroll in a Medicare Part D Prescription Drug Plan. Your coverage begins 24 months after you get Social Security or Railroad Retirement Board (RRB) disability benefits.
    • Your Medicare Part D enrollment period:
    • If you're under 65 you are eligible to enroll in Medicare if you have a qualifying disability. You will have a 7-month enrollment window that opens 3 months before your 25th month of receiving Social Security or Railroad Retirement Board benefits and ends 3 months afterwards.
    • You are eligible to enroll in a Part D plan because:
    • You turned 65, but are already eligible for Medicare because of a disability
    • What Medicare allows you to do:
    • Switch from your current Medicare Part D prescription drug plan to another Medicare prescription drug plan.

      Drop a Medicare Prescription Drug Plan completely.
    • Your Medicare Part D enrollment period:
    • Your 7-month IEP begins 3 months before the month you turn 65, includes the month you turn 65, and ends 3 months after the month you turn 65.

      Note : If you enroll in a Medicare Advantage Plan during this time, you may drop that plan at any time during the next 12 months and return to Original Medicare.

Ready to Enroll Online

1There is an exception: if your birthday falls on the first of any month, your 7-month IEP begins and ends one month sooner. For example, if your birthday is July 1st, your 7-month IEP is the same as if you were born in June — beginning in March and ending in September.