Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Medigap policy
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Medigap policy: In the US, a Medicare supplement insurance policy sold by private insurance companies to fill "gaps" in Original Medicare Plan coverage. Except in Massachusetts, Minnesota and Wisconsin, there are 10 standardized plans labeled Plan A through Plan J. Medigap policies only work with the Original Medicare Plan.