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 Tan located in the city of Smithtown, state New York. The legal address of the Doctor 222 E Main St. Directions to the Doctor Dr. Mark Tan can be found on our interactive map. Ask your questions by calling 6317248900 on workdays.NPI number: Data not providedProvider's gender: Data not providedPractice names: Data not providedBoard certifications: American Board of Internal Medicine Certification in Internal Medicine American Board of Internal Medicine Sub-certificate in Rheumatology (Internal Medicine) Your comments (not for publishing) * — Required information Dr. Mark Tan - Smithtown ← View details 222 E Main St, New York, Smithtown, 11787, Smithtown, New York 11787 6317248900