Unitedhealth Group, 14610 Thera Way, Centreville, VA 20120, US

Founded in 1998, Active Health Management is a clinically-based, technology-driven health management services company. It offers data analytics and disease and maternity management solutions to prevent medical errors, reduce hospitalizations and lower medical costs. Headquartered in New York City, Active Health Management is an independent subsidiary of Aetna. The company operates several offices in Virginia, Colorado, Illinois and Ohio, and has more than 500 employees. Its wholly owned subsidiary, Health Data Management Solutions, allows the aggregation of multiple data sets from various third-party vendors. The company s patented technology, CareEngine System, empowers other health management solutions and services. Active Health Management maintains a presence in Chantilly, Va.