Individual provider · Type 1 NPI

Norman Shizuaki Nishioka, MD

Gastroenterology Physician · Boston, MA

NPI number 1174513600 Active

Practice location

55 Fruit St, Gastroenterology Associates Blk 4
Boston, MA 02114-2621

Call (617) 726-4422 Map

Fax (617) 724-6832

Mailing address

PO Box 9142, Mass General Physician Organization
Charlestown, MA 02129-9142

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X51195 (MA)
Gastroenterology Physician Primary 207RG0100X51195 (MA)

Gastroenterology Physician: An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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About NPI 1174513600

Norman Shizuaki Nishioka, MD's National Provider Identifier is 1174513600, issued on Oct 26, 2005. The primary taxonomy on file is Gastroenterology Physician (207RG0100X), and the practice location is in Boston, MA. The record was last updated on Jul 13, 2026.