What's Medicare Supplement Insurance (Medigap)?
Medicare Supplement Insurance (Medigap) is extra insurance you can buy from a private health insurance company to help pay your share of out-of-pocket costs in Original Medicare .
You must have Original Medicare – both Part A (Hospital Insurance) and Part B (Medical Insurance) – to buy a Medigap policy.
What do you want to do?
Get Medigap basics
Learn what Medigap covers, how it works, and general costs.
Get ready to buy
Learn when and how to buy, switch, or drop a policy.
Find Medigap policies
Find a policy in my area.