Guy A. Weiss, MD

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Director, Celiac Program Dr. Weiss practices general gastroenterology, with particular focus on gluten-associated disorders—mainly celiac disease and non-celiac gluten sensitivity (NCGS)—food allergies and sensitivities; eosinophilic gastrointestinal disorders (EGIDs) including eosinophilic esophagitis (EoE) and eosinophilic gastritis/gastroenteritis/colitis (EG/EGE/EC); lymphocytic gastritis; microscopic colitis including lymphocytic and collagenous colitis; autoimmune enteropathy; mast cell…