Cambridge Health Alliance

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Cambridge Health Alliance
LocationCambridge, Massachusetts, United States
Care systemPublic
Hospital typeAcademic Teaching, Community
Affiliated universityHarvard Medical School, Tufts School of Medicine
Emergency department24-hour emergency care at three locations
FoundedCambridge City Hospital -> Cambridge Hospital, Somerville Hospital; Merged 1996; Whidden Memorial Hospital; Merged 2001
ListsHospitals in Massachusetts

Cambridge Health Alliance (CHA) is a healthcare provider in Cambridge, Somerville and Boston’s metro-north communities in Massachusetts. CHA advertises services including primary care, specialty care and mental health/substance use services. It includes three hospital campuses, primary care and specialty practice facilities, and the Cambridge Public Health Dept. CHA maintains an affiliation with Beth Israel Deaconess Medical Center in Boston. CHA is a Harvard Medical School teaching affiliate and is also affiliated with Harvard School of Public Health, Harvard School of Dental Medicine and Tufts University School of Medicine.


CHA includes three main hospital campuses, primary care and specialty practices, and the Cambridge Public Health Department. The three CHA hospital campuses are Cambridge Hospital, Somerville Hospital, and Everett Hospital.

In addition to the three hospital campuses, CHA has locations in Cambridge, Somerville, Malden, Revere, and Everett.


Cambridge Health Alliance (CHA) was created in 1996 when the city-owned Cambridge Hospital merged with private, nonprofit Somerville Hospital. In 2001, Hallmark Health sold the Whidden Hospital to Cambridge Health Alliance. In 2016, the name of Whidden Hospital was changed to CHA Everett Hospital. All three hospitals were founded around the turn of the 20th century, with Somerville Hospital being the oldest.[citation needed]

In 2013 Cambridge Health Alliance became affiliated with Beth Israel Deaconess Medical Center. In 2014 its physicians joined BIDCO the Beth Israel Deaconess Care Organization.

Community Programs[edit]

The CEO of Cambridge Health Alliance serves as commissioner of public health for the city of Cambridge. Since the system was created in 1996, it has operated the Cambridge Public Health Department through a contract with the city.

CHA is an affiliate of the Massachusetts General Hospital for Children.


As an Employer[edit]

CHA employs approximately 3,500 staff members in Cambridge, Everett, Malden, Medford, Revere, and Somerville, Massachusetts. 65% of CHA's staff are unionized. As of 2013, more than 40% of CHA staff (1,600+) live within the area of Cambridge, Chelsea, Everett, Malden, Medford, Revere, Somerville, and Winthrop.

Further Information[edit]


"Rekindling the Flame A Casebook" (PDF). Retrieved 2007-08-22.
"Cambridge Health Alliance". Archived from the original on 2012-04-08. Retrieved 2007-08-22.

Coordinates: 42°22′29″N 71°06′17″W / 42.3748°N 71.1048°W / 42.3748; -71.1048