By revenue, UnitedHealth Group is the nation's largest publicly traded managed care company. It operates through two business segments, UnitedHealthcare and Optum. UnitedHealthcare provides healthcare benefits through four membership groups: Employers & Individual, Medicare & Retirement, Community & State, and International. Optum is a health services business that serves payers, care providers, employers, governments, life science companies and consumers. OptumInsight uses advan
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David H. Toung
Senior Analyst: Medical Devices & Healthcare Services