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Norman Shizuaki Nishioka, MD

Director of Endoscopy

  • Phone: 617-726-4422
Department of Medicine


  • Cancer Center
  • Esophageal Cancer
  • Digestive Healthcare Center
  • Swallowing and Heartburn Center
  • Colorectal Center
  • Barrett's Esophagus Treatment Center
Clinical Interests
Barrett's esophagus
Esophageal cancer
Gastroesophageal reflux disease (GERD)
Diagnostic and therapeutic endoscopy
Boston: Massachusetts General Hospital
Medical Education
MD, University of California School of Medicine
Residency, Massachusetts General Hospital
Fellowship, Massachusetts General Hospital
Board Certifications
Internal Medicine, American Board of Internal Medicine
Gastroenterology, American Board of Internal Medicine
Patient Gateway
Yes, learn more
Patient Age Group
Accepting New Patients
Accepting New Patients


View my most recent publications at PubMed

Greenwald BD, Dumot JA, Abrams JA, Lightdale CJ, David DS, Nishioka NS, Yachimski P, Johnston MJ, Shaheen NJ, Zfass AM, Smith JO, Gill KRS, Burdick JS, Mallat D, Wolfsen HC. Endoscopic spray cryotherapy for esophageal cancer: safety and efficacy. Gastrointest Endosc 2010;71:686-93.

Suter MJ, Jillella PA, Vakoc BJ, Halpern EF, Mino-Kenudson M, Lauwers GY, Bouma BE, Nishioka NS, Tearney GJ. Image-guided biopsy in the esophagus through comprehensive optical frequency domain imaging and laser marking: a study in living swine. Gastrointest Endosc 2010;71:346-53.

Kang D, Suter MJ, Boudoux C, Yoo H, Yachimski PS, Puricelli WP, Nishioka NS, Mino-Kenudson M, Lauwers GY, Bouma BE, Tearney GJ. Comprehensive imaging of gastroesophageal biopsy samples by spectrally encoded confocal microscopy. Gastrointest Endosc. 2010;71(1):35-43.

Gastroenterology Associates
55 Fruit Street
Boston, MA 02114-2696

Phone: 617-726-4422
Fax: 617-724-6832