Ayanna E. Lewis, MD

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.