Definitions for "Medicare Supplemental Insurance"
A private insurance policy that covers many of the gaps in Medicare coverage.
Private insurance that covers items not covered by Medicare. For tips on choosing such a policy, see the AARP's series, "Selecting Medicare Supplemental Insurance." [Link: http://www.aarp.org/hcchoices/medicare/supplement/home.html
This is private insurance that supplements gaps in Medicare coverage and is available in 10 standardized options, designated "A" through "J."