Home/Glossary/Medigap Open Enrollment PeriodGlossary · MedigapMedigap Open Enrollment PeriodA one-time 6-month window beginning when you are 65+ AND enrolled in Part B. Insurers cannot deny or upcharge for health status during this period.Related TermsMedigapMedigap Plan GMedigap Plan NMedigap Plan FHigh-Deductible Plan GMedigap Plan KMedigap Plan LGuaranteed Issue Right← Back to glossary index