Ayanna E. Lewis, MD
GI Physician
Attending Physician
Department of Medicine
Division of Gastroenterology
Mount Sinai South Nassau
Oceanside, NY
Dr. Lewis is board certified in Internal Medicine and specializes in Gastroenterology & Hepatology. She earned her medical degree from The Geisel School of Medicine at Dartmouth in Hanover, NH. She completed an Internal Medicine residency and a fellowship in Gastroenterology at Stony Brook University in Stony Brook, NY.
Dr. Lewis also completed a visiting fellowship in Gastroenterology at Weill Cornell Medical Center in New York, a clinical research fellowship at Saint Antoine Hospital in Paris, France and an Advanced Inflammatory Bowel Disease fellowship at the University of Miami: Miller School of Medicine in Florida.
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