When is the Medicare Part D Open Enrollment?

Open enrollment is a term often used to describe Medicare’s Annual Enrollment Period (AEP), which is the enrollment period that begins October 15 and ends December 7 each year. AEP or open enrollment allows people with Medicare to change their Medicare plan or type of coverage based on the upcoming year’s plan information that is made available beginning October 1.

Changes and elections made during open enrollment generally take effect on January 1 of the following year. For example, the Medicare elections you make during the open enrollment taking place between October 15 and December 7 will take effect on January 1 of the upcoming year.

Return to the Medicare FAQ section to view more answers to other commonly asked questions about Medicare prescription drug coverage.