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. David M Duffy located in the city of Philadelphia, state Pennsylvania. The legal address of the Doctor 1103 Chestnut St. Directions to the Doctor Dr. David M Duffy can be found on our interactive map. Ask your questions by calling 4848898985 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. David M Duffy - Philadelphia ← View details 1103 Chestnut St, Pennsylvania, Philadelphia, 19107, Philadelphia, Pennsylvania 19107 4848898985