Internal Medicine, Gastroenterology in MALVERN, PA
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Dr. Norman M. Callahan is a physician specializing in internal medicine and gastroenterology, based in Malvern, PA.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
Dr. NORMAN M. CALLAHAN specializes in Internal Medicine, Gastroenterology.
Dr. NORMAN M. CALLAHAN practices in MALVERN, PA.
Dr. NORMAN M. CALLAHAN's NPI number is 1851367783.