https://anehus.blogspot.com/2014/05/feds-investigating-possibility-that.html
Health Care Information: Feds investigating possibility that Humana overbilled taxpayers for...
Louisville-based " Humana Inc. faces multiple federal investigations into allegations that it overbilled the government for treating elderl...
health care informationfedsinvestigating
https://www.salon.com/2017/05/28/unitedhealth-doctored-medicare-records-overbilled-u-s-by-1-billion-feds-claim_partner/
UnitedHealth doctored medicare records, overbilled U.S. by $1 billion, feds claim - Salon.com
May 28, 2017 - DOJ alleged that the insurer made patients appear sicker than they were to collect higher Medicare payments