Office hours are generally 8 a.m. to 4:30 p.m. Monday through Friday.
MOSA has six locations conveniently located in the Southeast Michigan area to serve you.
To make an appointment, call us at 1-800-851-6672 and one of our office staff members will be happy to assist you.
For billing questions, please give us a call at 1-800-851-6672. Billing questions can usually be resolved between 9am – 4pm, Monday through Friday.
Click below to pay your bill online through our secure online bill pay system. Or, give us a call at 1-800-851-6672 during normal office hours.
Brighton
2305 Genoa Business Park Dr., Suite 160
Brighton, Michigan, 48114
Canton
1600 S. Canton Center Rd., Suite 340
Canton, Michigan, 48188
Chelsea
14650 E. Old US 12, Suite 304
Chelsea, Michigan, 48118
Livonia
37595 Seven Mile Road,
Ste 420, Livonia, MI 48152
Saline
1020 E. Michigan Ave., Suite I
Saline, Michigan, 48176
Ypsilanti
5333 McAuley Dr., Suite 2017
Ypsilanti, Michigan, 48197