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 Gregory Duffy located in the city of Tustin, state California. The legal address of the Doctor 17821 17th St. Directions to the Doctor Dr. John Gregory Duffy can be found on our interactive map. Ask your questions by calling 7146693158 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 Gregory Duffy - Tustin ← View details 17821 17th St, California, Tustin, 92780, Tustin, California 92780 7146693158