Here is a hard truth for those of us who are care providers: Americans are unsatisfied with the country's healthcare system.

CEO Andrew Witty told investors on Thursday during the company's earnings call that Optum currently passes through 98% of rebates to the insurers, states and unions that contract with it.

GlaxoSmithKline’s (GSK) former chief executive Andrew Witty was yesterday announced as the new CEO of Optum – a US payer organisation which includes pharmacy benefits manager OptumRx.

Andrew Witty, CEO of the Eden Prairie-based health care ... asserting that his company’s pharmacy benefit manager — Optum Rx — is helping control drug costs, contrary to the assertion ...