UnitedHealth fudged Medicare claims, overbilled by $1 billion, feds say -- Center for Public Integrity

The Justice Department has accused insurance giant UnitedHealth Group of overcharging the federal government by more than $1 billion through its Medicare Advantage plans....
https://www.publicintegrity.org/2017/05/17/20868/unitedhealth-fudged-medicare-claims-overbilled-1-billion-feds-say