Dartmouth–Hitchcock Medical Center (DHMC), the flagship campus of the Dartmouth Health system, is the U.S. state of New Hampshire's only academic medical center. DHMC is a 422-inpatient bed hospital and serves as a major tertiary-care referral site for patients throughout northern New England. As an academic medical center, DHMC offers primary, specialty and subspecialty care as well as education and research in partnership with the Geisel School of Medicine at Dartmouth, one of America’s oldest medical schools, as well as the Thayer School of Engineering at Dartmouth and The Dartmouth Institute for Health Policy & Clinical Practice. It is headquartered in Lebanon, New Hampshire on a 225-acre (91 ha) campus in the heart of the Upper Connecticut River Valley and employs more than 8,000 employees. DHMC is New Hampshire's only Level I Trauma Center, one of only three in northern New England, and it includes New Hampshire's only air ambulance service. DHMC is one of 20 members of the New England Alliance for Health, a regional network of hospitals and other health care organizations in New Hampshire, Vermont and Massachusetts. From Wikipedia