AdvertisementHumana Inc. Overcharged Medicare Nearly $200 Million, Federal Audit FindsApril 20, 2021Fred SchultefacebookEmailMedicare Advantage, a fast-growing private alternative to original Medicare, has enrolled more than 26 million people. Humana Inc. is one of the largest of these insurers. While popular with seniors, Medicare Advantage has been the target of multiple government investigations. (AP)