UnitedHealth taps insider to replace slain executive as CEO of insurance unit

Noel will take charge at UnitedHealthcare, the largest U.S. health insurer that provides benefits to more than 50 million Americans, at a critical moment. The health insurance industry, on the other hand, is grappling with rising costs, driven by increased demand for healthcare under government-backed Medicare plans for older adults or those with disabilities. UnitedHealth has reported higher-than-expected medical loss ratio - the percentage of premiums spent on medical care - a metric that trac