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 ...

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

U.S. Senator Chuck Grassley had demanded detailed information on UnitedHealth's Medicare billing practices, according to a ...

The Wall Street Journal reported Tuesday that Sen. Chuck Grassley, R-Iowa, sent a letter to UnitedHealth CEO Andrew Witty pushing for a detailed look at how the company handles billing in Medicare ...

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

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

Sen. Chuck Grassley, chairman of the Senate Judiciary Committee, sent UnitedHealth Group Chief Executive Andrew Witty a letter demanding detailed information on the company’s Medicare billing ...

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 ...

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

UnitedHealth (UNH) stock falls as the company faces a new probe launched by Sen. Grassley over its Medicare billing practices ...