About Cataldo

Providing exceptional care through clinical excellence since 1977

Our History

In 1977, Bob and Diana Cataldo opened the doors to Somerville Ambulance Service, now known as Cataldo Ambulance Service, Inc.  The company; which started with 2 ambulances, has grown to well of 200 vehicles, 650 employees, a full-service Mobile Integrated Health program and a service area spanning across 27 communities.

Cataldo Ambulance Service continues to be a family-owned and operated business headquartered in Somerville, MA.  The Cataldo family lives within the service area and maintains close relationships with the communities in which it serves through various Community Service Programs and Initiatives.


Cataldo Ambulance Service is a local business equipped for the global community. We run a nationally recognized stand-alone training facility, EMSTEC, which trains our staff utilizing leading edge technology such as the Mobile SimLab Training (SimMAN and SimBABY).

Cataldo Ambulance Service has been a family owned and operated company since 1977 and have provided Advanced Life Support since 1982. The Cataldo’s live within the service areas they support and give back to these very communities through various Community Service Programs.

Cataldo Ambulance Service deploys Over 200 late model custom designed ambulances packed with the latest healthcare technology. We also staff an Incident Support and Fire Rehab Unit capable of remote communications, and a fully equipped Mass Casualty Incident Support Unit!

Cataldo Ambulance Service, Inc. boasts Twenty-five base locations and provides 911 services for eighteen municipalities. We cover greater Boston and the North Shore through partnership with our sister service, Atlantic Ambulance Service.

Our Technology

Cataldo Ambulance Service deploys over 200 custom designed ambulances, a state of the art Communications Center and the latest healthcare technologies to bring the more comprehensive and quality care to our patients and partner communities.  Our commitment to providing exceptional care through technology sets us apart from our competitors in the EMS industry.

Our Community

Cataldo Ambulance Service, Inc. has 25 base locations throughout the greater Boston and North Shore area.  As the largest provider of municipal 911 services, Cataldo provides dedicated and backup 911 service to more than 18 communities throughout the Commonwealth of Massachusetts.  In conjunction with out sister company Atlantic Ambulance Service and out Mobile Integrated Health company SMART Care, Cataldo’s footprint throughout Massachusetts allows us to take advantage of our excess capacity of resources to provide our patients, facilities and community partners with exceptional care and efficient service delivery.

A Community Partner

Cataldo is committed to advancing health and wellness initiatives, collaborating with both public and private organizations and identifying opportunities to enhance health and wellness for residents of Massachusetts and beyond.