AdvertisementMedicare Advantage's cost to taxpayers has soared in recent years, research findsNovember 11, 2021Fred SchultefacebookEmailMedicare Advantage health plans have enrolled nearly 27 million members, or about 45% of people eligible for Medicare. A recent analysis finds Medicare overpaid the private health plans by more than $106 billion from 2010 through 2019 because of the way the plans charge for sicker patients. (Image Source/Getty Images)