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. William Portnoy located in the city of New York, state New York. The legal address of the Doctor 160 West 18th Street. Directions to the Doctor Dr. William Portnoy can be found on our interactive map. Ask your questions by calling (212) 366-0848 on workdays.NPI number: 1104913185Provider's gender: MalePractice names: Chelsea Otolaryngology, PLLCBoard certifications: American Board of Facial Plastic and Reconstructive Surgery American Board of Otolaryngology Your comments (not for publishing) * — Required information Dr. William Portnoy - New York ← View details 160 West 18th Street, New York, New York, 10011, New York, New York 10011 (212) 366-0848