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. Gregory Tsai located in the city of New York, state New York. The legal address of the Doctor 425 West 59th Street. Directions to the Doctor Dr. Gregory Tsai can be found on our interactive map. Ask your questions by calling (212) 262-4444 on workdays.NPI number: 1760484661Provider's gender: MalePractice names: Mount Sinai DoctorsBoard certifications: American Board of Otolaryngology Sleep Medicine (Otolaryngology) Your comments (not for publishing) * — Required information Dr. Gregory Tsai - New York ← View details 425 West 59th Street, New York, New York, 10019, New York, New York 10019 (212) 262-4444