Supplements & other insurance

How Medicare works with other insurance

Learn how benefits are coordinated when you have Medicare and other health insurance.

Retiree insurance

Read 5 things you need to know about how retiree insurance works with Medicare.

What's Medicare supplement (Medigap) insurance?

Find what supplemental insurance is, how it works, and important things to know if you're considering supplemental insurance.

Find a Medigap policy

Find and compare drug plans, health plans, and Medigap policies.

When can I buy Medigap?

Get the facts about the specific times when you can sign up for a Medigap policy.

How to compare Medigap policies

View a quick summary of the different types of Medigap policies and what they cover.

Medigap & travel

Find out which Medigap policies offer coverage when you travel outside the U.S., because in most cases, Medicare doesn't cover you.