Home/Glossary/Employer Group Health PlanGlossary · EnrollmentEmployer Group Health PlanActive employment coverage that can delay Part B enrollment without penalty if the employer has 20+ employees.Related TermsInitial Enrollment Period (IEP)Annual Election Period (AEP)General Enrollment PeriodSpecial Enrollment Period (SEP)Medicare Advantage Open Enrollment (MA-OEP)SHIPLate Enrollment PenaltyCOBRA← Back to glossary index