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 Howard Duncan located in the city of Oak Park, state Illinois. The legal address of the Doctor 14 Lake St. Directions to the Doctor Dr. Mark Howard Duncan can be found on our interactive map. Ask your questions by calling 2065987792 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 American Board of Psychiatry and Neurology Certification in Psychiatry (Psychiatry and Neurology) Your comments (not for publishing) * — Required information Dr. Mark Howard Duncan - Oak Park ← View details 14 Lake St, Illinois, Oak Park, 60302, Oak Park, Illinois 60302 2065987792