UnitedHealth Group Incorporated (NYSE: UNH) is a diversified health care company that provides health insurance coverage, health care services, pharmacy services and health technology. Its businesses serve individuals, employers, government programs, health care providers and other organizations, primarily in the United States.
The company operates through two principal businesses. UnitedHealthcare offers health benefit plans and related services for employers, individuals, families and government-sponsored programs, including Medicare and Medicaid. Optum provides a broad range of health services, including pharmacy benefit management through Optum Rx, care delivery and management through Optum Health, and data, technology and advisory solutions for health care organizations through Optum Insight.
UnitedHealth Group traces its history to 1977, when Charter Med was established in Minnesota; the company later adopted the UnitedHealth name and expanded through its insurance and health services businesses. It has grown into one of the largest health care organizations in the United States, with operations and customers spanning commercial, government and provider markets. Stephen Hemsley serves as chief executive officer, having returned to the role in 2025 after previously leading the company.
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