Home/Glossary/General Enrollment PeriodGlossary · EnrollmentGeneral Enrollment PeriodJanuary 1 through March 31 each year, for people who missed IEP without creditable coverage. Late enrollment penalties may apply.Related TermsInitial Enrollment Period (IEP)Annual Election Period (AEP)Special Enrollment Period (SEP)Medicare Advantage Open Enrollment (MA-OEP)SHIPLate Enrollment PenaltyCOBRAEmployer Group Health Plan← Back to glossary index