Internal Medicine, Gastroenterology in CHICAGO, IL
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David N Butler is a physician specializing in internal medicine and gastroenterology based in Chicago, IL.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
Dr. DAVID N BUTLER specializes in Internal Medicine, Gastroenterology.
Dr. DAVID N BUTLER practices in CHICAGO, IL.
Dr. DAVID N BUTLER's NPI number is 1083821037.