Gastrointestinal Care of Long Island is a premier gastroenterology group comprised of Dr. Herbert Pasternak, DO, FACOI, Avigail Itzkowitz, APRN, FNP-C and highly trained staff that work together to offer our patients the highest care possible.
We combine state-of-the-art medicine with cutting-edge diagnostic technology to provide the highest-level care for gastrointestinal disease, liver disease and colorectal cancer prevention, detection and screening in the Nassau County area. We are committed to providing professional, personal and compassionate care while obtaining complete patient satisfaction and comfort during the patient’s visit with Gastrointestinal Care of Long Island.
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Dr. Herbert Pasternak provides compassionate and reliable care to all of his patients. He prioritizes delivering quality care and cutting-edge treatments. He is on staff at both St. Joseph Hospital in Bethpage, NY, and Northwell Hospital at Plainview in Plainview NY. Avigail Itzkowitz is a board certified Family Nurse Practitioner. She completed her BS in Nursing at Adelphi University, and completed her Master of science in Nursing at Georgetown University. Avigail is passionate about gastroenterology, and is excited to join the Gastrointestinal Care of Long Island team.
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