Sentara Healthcare is a not-for-profit integrated healthcare system headquartered in Norfolk, Virginia. It operates more than 300 sites of care, including 12 hospitals, outpatient care centers, imaging centers, and a health plan, Optima Health. Sentara generates revenue through patient services, insurance premiums, and various healthcare-related services. Founded in 1888, the company has a long history of innovation, including the establishment of the first air ambulance service in Virginia. Sentara is known for its commitment to quality care, community health initiatives, and technological advancements in medical services.