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.
Learn More About Us
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.
That tight, swollen, uncomfortable feeling that shows up after eating is one of the most common digestive complaints, and it can turn an enjoyable meal into hours of discomfort. The
For people living with irritable bowel syndrome (IBS), food can feel like a minefield, with meals sometimes triggering abdominal pain, bloating, and unpredictable bowel habits. A structured elimination diet is
Your stool can reveal a surprising amount about your digestive health, and paying attention to it is one of the simplest ways to catch a problem early. While most changes
Protein is essential for energy, muscle, and overall health, but for people with irritable bowel syndrome (IBS), how you get that protein can make the difference between a comfortable day
