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Jeffery Novak, MD, FACG, is a gastroenterologist and partner at Gastrointestinal Specialists of Long Island (GISLI) located in Wantagh and Malverne, New York. He is also a founding member of the Endoscopy Center of Long Island in Garden City, New York. He has been serving patients in the area since 1998. 

Dr. Novak earned his Bachelor of Science in biology from Trinity College, where he was a member of Phi Beta Kappa and received several academic honors. 

Dr. Novak attended medical school at the Albert Einstein College of Medicine, where he earned honors in gastroenterology, infectious disease, and other specialties.

After graduation, Dr. Novak completed his internship and residency in internal medicine at Mount Sinai Hospital in New York City. He then completed his fellowship in gastroenterology at Jackson Memorial Hospital Center in Miami, Florida.

Dr. Novak brings over 25 years of experience to his patients at Gastrointestinal Specialists of Long Island. He diagnoses and treats all gastrointestinal conditions, with his ultimate goal being to ensure that each patient feels comfortable and valued under his care. 

Dr. Novak is a Diplomate of the American Board of Gastroenterology and the American Board of Internal Medicine. He is a member of the American College of Gastroenterology, the American Society of Gastrointestinal Endoscopy, the New York Society for Gastroenterology and Endoscopy, and the Nassau County Medical Society.

Faisal Sheikh, DO is a Gastroenterology specialist in Syosset, New York. Dr. Sheikh is affiliated with Northwell Health and multiple hospitals in the area. He received his medical degree from New York College of Osteopathic Medicine.

After graduating, Dr. Sheikh completed his residency at North Shore University Hospital in Manhasset, New York. He then went on to become double board-certified in Internal Medicine and Gastroenterology.

Dr. Sheikh joined Long Island Gastro in 2014 and has been serving the Syosset community ever since. He is fluent in both English and Urdu.

In his free time away from the practice, Dr. Sheikh enjoys spending time with his family.

Michael Ashamalla, MD, is a board-certified gastroenterologist who proudly serves the patients of Syosset, Long Island, New York, at Long Island Gastro. Specializing in gastroenterology, hepatology, and nutrition, Dr. Ashamalla offers expert care for a wide range of digestive health concerns—from acid reflux and abdominal pain to liver disease and irritable bowel syndrome (IBS).

Dr. Ashamalla began his medical career through the prestigious combined BA/MD program at Siena College and Albany Medical College, graduating magna cum laude. He completed his residency in Internal Medicine at North Shore/LIJ (now Northwell Health), where he served as Chief Medical Resident. He went on to complete his fellowship in Gastroenterology at NYU Langone Health, one of the nation's top-ranked programs for GI care.

With a reputation for thorough and compassionate care, Dr. Ashamalla is dedicated to listening closely to his patients and developing personalized treatment plans. His approach combines clinical excellence with a deep commitment to patient well-being, ensuring each individual receives the attentive care they deserve.

If you're seeking a trusted gastroenterologist in Syosset, schedule an appointment with Dr. Ashamalla today to take the first step toward better digestive health.