Cambridge Health Alliance, an academic public health system, provides healthcare services in Massachusetts. It provides primary care, family medicine, pediatrics, senior health, emergency medicine, dental services, obstetrics and gynecology, and occupational health services; and operates eye care, breast, Cambridge cosmetic, and women's health centers. The company also specializes in various medical specialties, including adult internal medicine, cardiology, dermatology, endocrinology, gastroenterology, geriatrics, hematology/oncology, infectious diseases, nephrology, neurology, occu/environs medicine, and pulmonology. In addition, Cambridge Health Alliance provides testing services through its cardiovascular lab, digital mammography, radiology, pathology/ laboratory, learning disabilities, and memory centers. Further, the company offers other services, such as HIV/ AIDS services, nutrition services, pharmacy, respiratory therapy, TB program, surgery – main, orthopedics, rehab services, and community programs. It serves patients in Cambridge, Somerville, and Boston's metro-north communities. Cambridge Health Alliance was founded in 1891 and is headquartered in Cambridge, Massachusetts.