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 T Duffy located in the city of Green Bay, state Wisconsin. The legal address of the Doctor 2140 Velp Ave. Directions to the Doctor Dr. Mark T Duffy can be found on our interactive map. Ask your questions by calling 8774629465 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 Ophthalmology Certification in Ophthalmology Your comments (not for publishing) * — Required information Dr. Mark T Duffy - Green Bay ← View details 2140 Velp Ave, Wisconsin, Green Bay, 54303, Green Bay, Wisconsin 54303 8774629465