Medicare Glossary

Special Enrollment Period (SEP)

A window outside the standard enrollment periods during which you can join, switch, or drop a Medicare plan. SEPs are triggered by qualifying life events such as losing employer coverage, moving, gaining Medicaid eligibility, or your plan leaving the area.

Also known as: SEP

Summary of Benefits

A standardized document that Medicare Advantage and Part D plans must provide that summarizes the plan's costs, covered benefits, and important rules. It is a shorter, easier-to-read version of the Evidence of Coverage.