UnitedHealth Group (UNH) is one of the largest U.S. health insurers, operating through UnitedHealthcare for insurance coverage and Optum for health services, technology, pharmacy benefits, and data analytics. The company serves around 150 million people worldwide, offering employer-sponsored insuarance, Medicare, Medicaid, and individual plans alongside Optum's clinics, surgical centers, and digital tools to improve care delivery, affordability, and outcomes. Founded in 1977, the company is headquartered ...