Medicare
Medicare has more than a dozen distinct enrollment periods governing when a beneficiary can enroll in, switch between, or disenroll from Original Medicare, Medicare Advantage, Medicare Supplement, and Part D plans. The Annual Election Period (AEP) is the most familiar — October 15 through December 7 each year for the upcoming Plan Year — but it is only one of many. The Medicare Advantage Open Enrollment Period (MA-OEP) runs January 1 through March 31 and allows a single switch from MA to MA or MA to Original Medicare. Special Enrollment Periods (SEPs) cover dozens of qualifying life events: moving out of plan area, plan termination, dual-eligible status changes, LIS eligibility, 5-star plan availability, contract terminations, gain or loss of creditable drug coverage, release from incarceration, return from outside the U.S., and others. Each SEP has its own qualifying event, documentation requirement, election window, and effective-date rule. A capable Connecticut Medicare agent must understand every enrollment period and how to map a beneficiary
Jan 24, 2026
·31 min read