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 ...

UnitedHealth Group faced two new investigations from federal lawmakers. The first was a senator’s probe into its Medicare ...

Investing.com -- Sen. 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 ...

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 ...

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, ...