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      Gastrointestinal Specialists of Long Island

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      Physicians & Surgeons, Gastroenterology (Stomach & Intestines), Physicians & Surgeons

      306 Hempstead Ave, Malverne, NY 11565

      516-785-8075

      CLOSED NOW: 
      Today: 9:00 am - 5:00 pm
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      DETAILS
      General Info
      Gastrointestinal Specialists of Long Island (GISLI) is a state-of-the-art gastroenterology practice providing comprehensive digestive and liver care to all adults throughout Long Island. With two convenient offices in Wantagh and Malverne, New York, Drs. Novak and Marwil provide patients with unparalleled preventive care, advanced diagnostics, and effective treatments. The gastroenterologists at GISLI offer patients more than 30 years of experience. They’ve created a premier endoscopy center that ensures patients receive comfortable, personalized care. The practice offers upper endoscopy, colonoscopy, and office-based capsule endoscopy to view the entire small bowel. Breath testing is also available to evaluate for small intestinal bacterial overgrowth, lactose intolerance, fructose intolerance, and sucrose intolerance. GISLI strives to offer a safe haven to patients who might otherwise feel uncomfortable or discouraged from seeking treatment for rectal bleeding, constipation, inflammatory bowel disease, and other digestive disorders. They take pride in providing patients with empathetic care. Each physician ensures their patients receive the one-on-one treatment they deserve. Call Gastrointestinal Specialists of Long Island today or go online to schedule an appointment with a gastroenterologist.
      Extra Phones

      Fax: 516-785-8139

      Hours
      Regular Hours
      Mon - Tue:
      Wed - Thu:
      Fri:
      Sat - SunClosed
      Categories
      Physicians & Surgeons, Gastroenterology (Stomach & Intestines), Physicians & Surgeons
      Services/Products
      Abdominal Pain Acid Reflux Anemia Barrett’s Esophagus Capsule Endoscopy Colon Cancer Screening Colonoscopy Constipation Crohn’s Disease Diarrhea Diverticulitis EGD GERD Irritable Bowel Syndrome Rectal Bleeding Ulcerative Colitis
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