Faculty Profile

Atsushi Sakuraba
Section of Gastroenterology
Associate Professor of Medicine
Referring Physician Access Line: 1-877-DOM-2730

Academic Interests

Dr. Sakuraba's research involves advancing the effectiveness of combination therapy with an immunomodulator in anti-TNF treated inflammatory bowel disease patients, elucidating the efficacy and safety of natalizumab in anti-TNF refractory Crohn's disease, and analyzing the long term outcome of patients with microscopic colitis.

Clinical Interests

Inflammatory bowel disease (Crohn’s disease, ulcerative colitis), microscopic (collagenous and lymphocytic) colitis, diagnostic and therapeutic endoscopy.


For a complete list of publications click here:


  • MD, 1997, Keio University, School of Medicine,
  • Residency, 1999, Keio University, School of Medicine, Internal Medicine
  • Fellowship, 2000, Sano Kousei Hospital, Tochigi, Japan, Internal Medicine
  • Fellowship, 2001, Tachikawa Kyousai Hospital, Tokyo, Japan, Internal Medicine
  • Fellowship, 2004, Keio University Hospital, Tokyo, Japan, Gastroenterology
  • PhD, 2012, Keio University Hospital, Tokyo, Japan,