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

Wall Street tumbled on Friday, extending its selloff in the wake of dour economic reports, closing the door on a ...

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

Eden Prairie-based health care giant says it’s not aware of the launch of any new Justice Department activity as reported by ...

The probe is analyzing the company’s practice of frequently logging diagnoses that trigger larger payments to its Medicare ...

A top Republican in the U.S. Senate is questioning Medicare Advantage billing practices at UnitedHealth Group following a critical report last year from a federal watchdog agency and a Wall Street ...

Shares tumbled after The Wall Street Journal reported that the insurer is under Justice Department investigation.

UnitedHealth Group called The Wall Street Journal's report "misinformation" and said it was unaware of reported investigaiton ...

Shares of the company fell nearly 10% in premarket trading. Shares of other health insurers also fell before the bell. The ...

The Justice Department is reportedly investigating UnitedHealth Group's Medicare billing practices, focuing on whether UnitedHealth inflated patient diagno ...

Wall Street's major indexes fell on Friday due to weak consumer sentiment and an investigation into UnitedHealth's Medicare ...