UnitedHealth Group Incorporated provides a range of health insurance products and services, including individual and family plans, Medicare, and Medicaid options. The company operates through its UnitedHealthcare division, which offers coverage for medical expenses, preventive care, and wellness programs. It serves various customer segments, including individuals, families, and employers, across multiple geographic regions in the United States. UnitedHealth Group generates revenue primarily through premiums paid by members for access to its health plans and related services.