Specialty:
"Dr. Blair S. Lewis obtained his M.D. from Albert Einstein College of Medicine. He performed his residency in internal medicine at Montefiore Medical Center and a fellowship in internal medicine at Mount Sinai Hospital. He holds a faculty appointment at Mount Sinai Hospital and is a clinical professor of medicine at the Icahn School of Medicine at Mount Sinai. Dr. Blair S. Lewis is an American board-certified gastroenterologist and Clinical Professor of Medicine at the Mount Sinai School of Medicine. He also chaired the annual International Conference of Capsule Endoscopy and is a past president of the New York Society for Gastrointestinal Endoscopy and the New York Academy of Gastroenterology. Dr. Lewis offers one-on-one gastroenterology consultations to provide care information. He welcomes new patients, and his practice accepts most major forms of medical insurance.
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2026 Update: Dr. Blair Lewis is a gastroenterologist based in New York City who treats a wide range of gastrointestinal diseases and conditions at his private practice on Manhattan’s Upper East Side. He has written more than 72 scientific papers, 25 book chapters, and three books. He is affiliated with Mount Sinai Queens and The Mount Sinai Hospital. He speaks English and Spanish."






