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

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

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 ...

Senator Chuck Grassley, chairman of the Senate Judiciary Committee, sent UnitedHealth (UNH) CEO Andrew Witty a letter demanding detailed ...

UnitedHealth Group faced two new investigations from federal lawmakers. The first was a senator’s probe into its Medicare Advantage billing practices, and the second was a Congressman's investigation ...

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

Senator Chuck Grassley has raised alarm over reports of a probe by the Justice Department into UnitedHealth's Medicare ...

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

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