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. John B Ryan located in the city of Warren, state Michigan. The legal address of the Doctor 29900 Lorraine Ave. Directions to the Doctor Dr. John B Ryan can be found on our interactive map. Ask your questions by calling 5865820760 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: Data not provided Your comments (not for publishing) * — Required information Dr. John B Ryan - Warren ← View details 29900 Lorraine Ave, Michigan, Warren, 48093, Warren, Michigan 48093 5865820760