Inside the claim that some private insurers are overcharging the government and getting billions in the process.

Senator Chuck Grassley has launched an inquiry into UnitedHealth Group's Medicare Advantage billing practices following a report from The Wall Street Journal stating the company is being investigated ...

Sen. Chuck Grassley (R-Iowa) has given UnitedHealth Group two weeks to explain its method for documenting Medicare Advantage ...

Shares of UnitedHealth (NYSE:UNH) turned lower on Tuesday in reaction to concerns over a new probe related to the company’s ...

Chuck Grassley, who leads the Senate Judiciary Committee, has demanded detailed information on the Medicare billing practices of UnitedHealth Group (NYSE: UNH ). The request was made on Monday and ...