The investigation, which dates back to at least last summer, concerns alleged efforts to encourage staffers to record certain ...

Justice Department prosecutors recently interviewed former employees about company practices that boost federal payments.

UnitedHealth Group (UNH) shares cratered more than 13% Thursday morning after The Wall Street Journal reported that the Department of Justice is conducting a criminal investigation into the ...

The Department of Justice is interviewing former employees as part of its criminal Medicare fraud probe into UnitedHealth, according to ...

Shares of UnitedHealth Group plunged more than 13% following a report that the Department of Justice is carrying out a criminal investigation into the health-care giant over possible Medicare fraud.

Shares of UnitedHealth fell 9.3% at 10:06 a.m. in New York. Humana Inc., which has a large Medicare business, was down 5.5%. The DOJ declined to comment on the news.

Shares of UnitedHealth Group are down about 49% this year following a string of setbacks for the company. ... UnitedHealth Group shares plunge 13% on report of DOJ probe into possible Medicare fraud ...

Shares of UnitedHealth Group plunged more than 13% on Thursday following a report that the Department of Justice is conducting a criminal investigation into the health-care giant over possible ...

Shares of UnitedHealth Group plunged more than 18% on Thursday following a report that the Department of Justice is conducting a criminal investigation into the health-care giant over possible ...