Pro EMS has served the City of Cambridge, Massachusetts since 1969, providing 911 emergency medical services in cooperation with the Cambridge Fire, Police and Emergency Communications Departments. In addition to serving the City of Cambridge, we provide emergency medical services to Harvard University and the Massachusetts Institute of Technology.  

Pro EMS partners with Emerson Hospital to provide advanced life support services to the communities of Boxborough, Carlisle, Concord, Lincoln, Maynard, Stow and Weston, collectively known as the Central Middlesex Emergency Response Association (CMERA), operating under the Emerson Paramedics brand.  

Primary EMS backup services are provided to the towns of Watertown and Belmont.