Medicare Enrollment Periods


February 6, 2019

When Does My Enrollment in Part B Become Effective?

If you accept the automatic enrollment in Medicare Part B, or if you enroll during the first three months of your initial enrollment period, your coverage will start with the month you are first eligible.  If you enroll during the last four months of your initial enrollment period, your coverage will start from one to three months after you enroll.

The following chart shows when your Medicare Part B becomes effective:

Enrollment in this month of your initial enrollment period Part B Medicare coverage begins
One to three months before reaching age 65 The month you reach age 65
The month turning 65 One month after the month reaching age 65
One month after turning 65 Two months after the month of enrollment
Two or three months after reaching age 65 Three months after the month of enrollment
Example: Turning 65 in July – If enrolling during the month of: Coverage Begins
April July 1st
May July 1st
June July 1st
July August 1st
August October 1st
September December 1st
October January 1st

For more information, you may click on the link below to see a reference document found within the Social Security website: Social Security Website.  Scroll down to the section on signing up for Medicare.

As always, we thank you for your support and cooperation. For questions or comments, please email us at or you may call the toll-free number listed below.


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