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

U.S. Senator Chuck Grassley requested detailed information on UnitedHealth's Medicare billing practices, in a letter to CEO ...

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

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

UnitedHealth Group Inc. shares fell after a report that Republican Senator Charles Grassley is launching an inquiry into the ...

UnitedHealth Group Inc. (NYSE: UNH) shares are trading lower Tuesday after the Wall Street Journal reported that Senator ...

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 ...

Chuck Grassley, R-Iowa, sent a letter to UnitedHealth ... UPDATED: Noon on Feb. 21 The Department of Justice is probing UnitedHealth Group's billing practices in Medicare Advantage, according ...

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 ...

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 White House and Ukraine struck a deal on strategic resources, a pact that speaks volumes about President Trump’s ...

Hours after pledging that the safety net program “isn’t going to be touched,” Trump surprised some of his own staff Wednesday ...