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. Katherine Siamas located in the city of Smithtown, state New York. The legal address of the Doctor 260 Middle Country Rd. Directions to the Doctor Dr. Katherine Siamas can be found on our interactive map. Ask your questions by calling (631) 863-3223 on workdays.</br></br></br>NPI number: 1013209212</br>Provider's gender: Female</br>Practice names: Schweiger Dermatology Group</br>Board certifications: Data not provided Your comments (not for publishing) * — Required information Dr. Katherine Siamas - Smithtown ← View details 260 Middle Country Rd, New York, Smithtown, 11787, Smithtown, New York 11787 (631) 863-3223