(Reuters) -UnitedHealth Group CEO Stephen Hemsley will get an annual base salary of $1 million and a one-time $60 million equity award as he returns to the top role at a tough time for the healthcare conglomerate.

UnitedHealth Group CEO Stephen Hemsley, who replaced Andrew Witty, said he has the right strategy in place “for the era ahead.”

Stephen Hemsley is resuming duties as chief executive at health care giant UnitedHealth Group in a surprise transition as the company’s recent financial woes have intensified. Current CEO Andrew Witty stepped down for personal reasons,

UnitedHealth Group revealed additional details about the compensation package for CEO Stephen Hemsley in a filing with the Securities and Exchange Commission. | UnitedHealth Group revealed additional details about the compensation package for CEO Stephen Hemsley in a filing with the Securities and Exchange Commission.

UnitedHealthcare stock plunged again on Thursday after a new report in the WSJ said the company is facing a Medicare fraud probe.

Stephen Hemsley ran UnitedHealth Group for more than a decade. It's a different company after four years with Andrew Witty in charge.

Former CEO and current chairman Stephen Hemsley is stepping back into the top job following the abrupt resignation of Andrew Witty, UnitedHealth said.

We don't need to dwell on the lack of detail behind Andrew Witty stepping down as CEO of UnitedHealth ( UNH) for "personal reasons." There are plenty of public reasons to change course at a business that has become a political lightning rod and Wall Street letdown.

Even UnitedHealth will struggle to overcome parasitic medical costs that Warren Buffett once called a tapeworm eating away at U.S. economic competitiveness. The $300 billion healthcare conglomerate reinstalled Chairman Stephen Hemsley as CEO and yanked its financial guidance.

UnitedHealth is bringing back former CEO Stephen Hemsley, as the insurance giant faces spiraling costs and a criminal investigation into its Medicare billing.