Professional Ambulance & Oxygen Service, Inc.

Professional Ambulance & Oxygen Service, known as Pro EMS, is the 911 emergency medical service for the City of Cambridge, working alongside the city’s fire, police and emergency communications departments. It also provides emergency medical services to Harvard University and MIT, and serves as primary backup for Watertown and Belmont. Beyond emergency calls, Pro EMS handles non-emergency medical transport for Cambridge Health Alliance, Mount Auburn and Emerson hospitals, Harvard University Health Services and MIT Medical.

Through a partnership with Emerson Hospital, the company provides advanced life support under the Emerson Paramedics brand to seven towns: Boxborough, Carlisle, Concord, Lincoln, Maynard, Stow and Weston. Its related ventures include the Pro EMS Center for Medics, an accredited paramedic and EMS training academy in Cambridge, the in-house online learning platform Prodigy, and Pro EMS Solutions, which provides billing and administrative services to more than 70 agencies. A quality team reviews every patient care record.

What to Know

• Pro EMS has served Cambridge since 1969.
• It was the first ambulance service in Massachusetts accredited by the Commission on Accreditation of Ambulance Services.
• The Center for Medics is an American Heart Association Authorized Training Center.
• The company belongs to AIMHI, a national group of high-performance EMS systems.