The Iowa Republican’s letter to the company cites findings from a series of Wall Street Journal articles.

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

D: Noon on Feb. 21The Department of Justice is probing UnitedHealth Group's billing practices in Medicare Advantage, ...

UnitedHealth shares turned lower in midday trading following reports of another probe into the nation's biggest health ...

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 ...

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 ...

WASHINGTON – Sen. Chuck Grassley, R-Iowa, chairman of the Senate Judiciary Committee and a former chairman of the Senate Finance Committee, has sent a letter to UnitedHealth Group CEO Andrew Witty ...

UnitedHealthCare is under investigation by the Department of Justice again for its Medicare Advantage billing practices. This is one of several legal battles and extraordinary mishaps the insurer has ...

United Health Group, the largest U.S. health insurer by enrollees, was under pressure after Sen. Chuck Grassley, chairman of the Senate Judiciary Committee, sent the conglomerate's chief executive, ...

The S&P 500 posted another losing day amid concerns about the impact of myriad Trump policies lingered over markets.