Suggest an Edit Name* Categories* Doctor Hospital Pharmacy Add category State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:00 pm Tuesday: 09:00 am — 05:00 pm Wednesday: 09:00 am — 05:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 05:00 pm Saturday: 09:00 am — 03:00 pm Company description Dr. Mark To O'Brien located in the city of East China, state Michigan. The legal address of the Doctor 4150 River Rd. Directions to the Doctor Dr. Mark To O'Brien can be found on our interactive map. Ask your questions by calling 8103294660 on workdays.</br></br></br>NPI number: Data not provided</br>Provider's gender: Data not provided</br>Practice names: Data not provided</br>Board certifications: American Board of Family Medicine Certification in Family Medicine Your comments (not for publishing) * — Required information Dr. Mark To OBrien - East China ← View details 4150 River Rd, Michigan, East China, 48054, EAST CHINA, Michigan 48054 8103294660