Witty's comments came during the company's first earnings call since the killing of Brian Thompson, the CEO of the company's insurance arm UnitedHealthcare.

UnitedHealth Group CEO Andrew Witty honored Brian Thompson, the health insurance executive murdered last month, praising his dedication to improving the U.S. health care system. Witty acknowledged public support following the tragedy and highlighted the nation’s costly health care as the root issue behind access and quality concerns.

UnitedHealth has named a new head of its insurance segment less than two months after the death of a former executive.

The updated tally extends the scope beyond what was previously described by company Chief Executive Andrew Witty.

The new estimate nearly doubles the company’s previous report of 100 million affected individuals, already the largest healthcare data breach ever reported to federal regulators.

The number of individuals confirmed to be affected by the data breach is almost double the company's previous estimate.

Change Healthcare now estimates that 190 million people were affected in the massive cyberattack that took down its services nearly a year ago. | Change Healthcare now estimates that 190 million people were affected in the massive cyberattack that took down its services nearly a year ago.

CEO Andrew Witty promised that UnitedHealthcare would work to speed up turnaround times for approval of some procedures and services in Medicare Advantage plans.

The cyberattack at UnitedHealth Group exposed personal information of 190 million people, leading to a $22 million ransom payment in bitcoin.

US health insurance giant UnitedHealth Group has appointed company veteran Tim Noel as chief executive of UnitedHealthcare, after the unit's former CEO Brian Thompson was shot and killed in New York on 4th December.

Pharmacy benefit managers actually "play a vital role in holding" sometimes-inflated prices down, said UHG CEO Andrew Witty in an earnings call.

UnitedHealth Group has named long-time executive Tim Noel as the new chief executive for its massive UnitedHealthcare health insurance business. The announcement Thursday came a little more than seven weeks after the Dec.