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 S Irwin located in the city of Gaithersburg, state Maryland. The legal address of the Doctor 16220 Frederick Rd. Directions to the Doctor Dr. David S Irwin can be found on our interactive map. Ask your questions by calling Data not provided 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 Psychiatry and Neurology Certification in Psychiatry (Psychiatry and Neurology) Your comments (not for publishing) * — Required information Dr. David S Irwin - Gaithersburg ← View details 16220 Frederick Rd, Maryland, Gaithersburg, 20877, Gaithersburg, Maryland 20877 Data not provided