About our Practice

Why Choose GI Care of Long Island?

Gastrointestinal Care of Long Island is dedicated to providing care to all patients. Dr. Pasternak is board certified in gastroenterology and specializes in many gastrointestinal areas including colon cancer screening, which is now recommended at the age of 45 for both men and women who are at average risk for colon cancer. We specialize in the screening, prevention, diagnosis, and treatment of all gastrointestinal, liver, and nutritional disorders in a professional, private, and caring environment.

Dr. Pasternak is board certified in gastroenterology, and specializes in the screening, prevention, diagnosis and treatment of all gastrointestinal liver, and nutritional disorders. Conditions Dr. Pasternak treats include Abdominal Pain, Barretts esophagus, Celiac, Diverticulitis, Hemorrhoids, Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome ( IBS), Inflammatory Bowel Disease (IBD) including Ulcerative Colitis and Crohn’s
Disease, and Liver Disease.

Dr. Pasternak specializes in performing many GI procedures using state of the art diagnostic technology, including Colonoscopy, Upper Endoscopy, Capsule Endoscopy, Fibroscan, and Infrared treatment of hemorrhoids.

Avigail Itzkowitz is a board-certified Family Nurse Practitioner. Avigail is dedicated to providing compassionate care for patients dealing with a variety of gastrointestinal concerns, including abdominal pain, heartburn, reflux, difficulty swallowing, constipation, diarrhea, bloating, and gas. Additionally, she evaluates patients during office visits prior to screening and surveillance colonoscopies.

People often ignore symptoms like heartburn and stomach aches because they seem harmless, but it is vital to diagnose what is causing them. At gastrointestinal Care of Long Island we diagnose and follow up with cutting-edge treatment options.

Our capable staff strives to meet every patient’s medical needs successfully, and includes a female nurse practitioner so patients can choose a provider who makes them feel most comfortable.

Mission, Vision & Core Values

Our Mission:

To deliver compassionate, high quality, and comprehensive care through an unparalleled patient experience.

Our Vision:

To become nationally recognized by setting the standard of care in Gastroenterology through innovative healthcare delivery models in the communities we serve.

Our Core Values:

  • Integrity – We communicate with our patients, our employees, and our stakeholders with honesty and transparency
  • Quality – We consistently make improvements that positively impact patient care
  • Compassion – We express genuine empathy and respect to all patients and employees
  • Inclusion – We embrace diverse backgrounds, experiences, perspectives, and insights
  • Accountability – We accept responsibility for our actions and deliver on our promises so patients can choose a provider who makes them feel comfortable.

Hospital Affiliations

St. Joseph Hospital
Northwell Hospital at Plainview

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Surgical Centers

Teaneck Gastroenterology and Endoscopy Center

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