St. Mary’s of Michigan and Covenant Healthcare established Mobile Medical Response, Inc. in 1994 in an effort to provide a hi ... gh performance Emergency Medical Service system in Saginaw County. Since then, MMR has expanded its services to include fifteen counties in mid- and northern Michigan. What began as a single county service has grown into a fleet of over 100 emergency response vehicles and a staff of over 600 with access to the latest in technology, equipment and medical protocols. MMR proudly boasts national and international accreditation for ambulance service and medical dispatch – demonstrating the “gold standard” in quality care and operational excellence in the ambulance industry. MMR is a private, non-profit 501©3 organization. MMR provides pre-hospital care and medical transportation using basic, advanced and critical care ambulances, wheelchair vans and medical dispatching services. read more