Robert J. Tamai, MD
Accepting new patients

Robert J. Tamai, MD

  • Gastroenterology
Average rating: 4.9
Star ratings are displayed only for those physicians who participate in UCLA Health’s patient experience survey program and have received a minimum of 30 survey responses.
West Valley Digestive Diseases |
7301 Medical Center Drive, Suite 500 West Hills, CA 91307

About

Dr. Tamai earned his undergraduate degree from Harvard College and his medical degree from Johns Hopkins School of Medicine. He completed his internal medicine residency at the University of Southern California, where he also served an additional year as chief resident. He then pursued his gastroenterology fellowship at UCLA, where he was honored as the Anna and Harry Borun Chief Fellow.

Dr. Tamai specializes in general gastroenterology, with clinical expertise in colon cancer screening, inflammatory bowel disease (including Crohn’s disease and ulcerative colitis), gastrointestinal bleeding, gastroesophageal reflux disease, motility and functional bowel disorders, colorectal conditions, as well as colonoscopy and endoscopy procedures. He is an active member of the American College of Gastroenterology, American Society of Gastrointestinal Endoscopy, American Gastroenterological Association, and the American Neurogastroenterology and Motility Society.

Languages

English

Education

Medical Board Certifications

Gastroenterology, American Board of Internal Medicine, 2025
Internal Medicine, American Board of Internal Medicine, 2021

Fellowship

Gastroenterology, UCLA Vatche & Tamar Manoukian, 2025

Residencies

Chief Resident Internal Medicine, LAC USC Medical Center, 2022
Internal Medicine, LAC + USC Medical Center, 2021

Degree

MD, Johns Hopkins University School of Medicine, 2018

Locations

UCLA Health West Valley Specialty Care
San Fernando Valley

West Valley Digestive Diseases

Gastroenterology

Hospital Affiliations

Ronald Reagan UCLA Medical Center

Medical Services

Insurance

  • Aetna
  • Anthem Blue Cross
  • Blue Shield of California
  • Centivo
  • Cigna
  • First Health
  • Health Net of California
  • Interplan (part of HealthSmart)
  • Medicare Advantage
  • MultiPlan
  • UFCM Health System
  • Prime Health Services
  • Private Healthcare Systems (PHCS)
  • TRICARE
  • UnitedHealthcare

The list of healthcare plans above may not be comprehensive and could change. 
Please contact your benefits coordinator or health insurance company directly to verify coverage.

Visit our health insurance information page for more details.

Reviews

Overall rating: 4.9
Star ratings are displayed only for those physicians who participate in UCLA Health’s patient experience survey program and have received a minimum of 30 survey responses.
91 total ratings | 33 reviews
5.0
Pleasant office staff Lovely Doctor Really listened to me and gave me a good solution
5.0
Dr Tamai was very knowledgeable and helpful with finding ways to improve my condition. Ten out of ten would recommend to others.
5.0
Dr. Tamai is knowledgeable, approachable, happy to answer questions, and kind. I can’t say enough good things about him!
5.0
Dr. Tamai is thorough and patient
4.0
Great analysis of priorities with my healthcare. Don’t need to see unless things change in my body, ie new symptoms