Otsego County EMS/Rescue is a Michigan Licensed Advanced Life Support Ambulance Agency. We serve the residences of Otsego County, a population of about 24,164. We respond to emergencies 24 hours a day, 365 days a year. We typically staff 4 ALS ambulances during the day and 3 ALS ambulances during the night. We also staff 1 heavy rescue crew 24/7.