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. Jarred Marshak located in the city of Wantagh, state New York. The legal address of the Doctor 1488 Wantagh Avenue. Directions to the Doctor Dr. Jarred Marshak can be found on our interactive map. Ask your questions by calling (516) 785-6800 on workdays.NPI number: 1538417027Provider's gender: MalePractice names: Long Island Gastroenterology SpecialistsBoard certifications: American Board of Internal Medicine Gastroenterology (Internal Medicine) Your comments (not for publishing) * — Required information Dr. Jarred Marshak - Wantagh ← View details 1488 Wantagh Avenue, New York, Wantagh, 11793, Wantagh, New York 11793 (516) 785-6800