CMS (Center for Medicare Services), a division of HHS (Health and Human Services) is responsible for overseeing the administration of Medicare plans.
Claim services for original Medicare are handled by insurance carriers and third party administrators. If you have an Advantage plan, all your benefits are handled by a private insurance carrier that sub-contracts with Medicare (CMS).
Claim services for original Medicare are handled by insurance carriers and third party administrators. If you have an Advantage plan, all your benefits are handled by a private insurance carrier that sub-contracts with Medicare (CMS).