Cambridge Health Alliance (CHA) is a healthcare provider based in Cambridge, Massachusetts. It operates three hospitals and more than 20 primary care and specialty care clinics in the Boston metropolitan area. CHA provides a wide range of medical services, including primary care, behavioral health, surgery, and emergency care. The organization is committed to providing high-quality, affordable healthcare to all members of the community, regardless of their ability to pay. CHA is a teaching affiliate of Harvard Medical School and Tufts University School of Medicine.