In order to cover some of the gap between FFS Medicare coverage and the actual...

The initial ten (A-J) Medigap policies offer a basic benefit package that includes coverage for Medicare Part A and Medicare Part B coinsurance.

Each insurance company selling Medigap must sell all the different Medigap policies.

Medicare SELECT is a Medicare supplement that uses a preferred provider organization (PPO) to supplement Medicare Part A coverage.

Medigap benefits vary by plan type (A through L), and are not uniform nationally.