B. Sean Nguyen, MD
Accepting New Patients

B. Sean Nguyen, MD

  • Gastroenterology
Average rating: 5.0
 
Torrance Digestive Diseases |
2780 Skypark Drive, Suite 125 Torrance, CA 90505

About

Dr. Nguyen earned his undergraduate degree in integrative biology and physiology with a minor in global studies at UCLA. He earned his medical degree at USC, where he was elected a member of the Alpha Omega Alpha and Gold Humanism Honor Societies. He completed his internal medicine residency at UCLA and his gastroenterology and hepatology fellowship at UC Davis, where he served as chief fellow.

Dr. Nguyen specializes in general gastroenterology. He has clinical expertise in colorectal cancer screening and polypectomy, gastroesophageal reflux disease, Helicobacter pylori infection, motility disorders, disorders of gut-brain interaction (functional heartburn/dyspepsia/ bloating, irritable bowel syndrome), chronic constipation and pelvic floor disorders, inflammatory bowel disease (Crohn’s disease and ulcerative colitis), celiac disease, general hepatology, and unsedated endoscopy. 

Dr. Nguyen is a member of the American College of Gastroenterology, American Gastroenterological Association, and American Society for Gastrointestinal Endoscopy.  His clinical and research interests are in colorectal cancer prevention and global digestive health. He serves on the board of directors for the non-profit GI Rising, which is an international collaboration working to improve gastroenterology care and promote sustainable development in Rwanda.

Languages

English

Education

Medical Board Certifications

Gastroenterology, American Board of Internal Medicine, 2024
Internal Medicine, American Board of Internal Medicine, 2021

Fellowship

Gastroenterology, UC Davis Medical Center, 2024

Residency

Internal Medicine, UCLA Medical Center, 2021

Degree

MD, Keck School of Medicine of the USC, 2018

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 health care 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: 5.0
140 total ratings | 105 reviews
5.0
November 19, 2025
Professionalism !
5.0
November 18, 2025
Dr Nguyen is an amazing caring doctor!
5.0
November 17, 2025
Very knowlegable, very cari ng, I consider him a friend.
5.0
November 13, 2025
The very best, top notch, so professional, and so outstanding with Support
5.0
November 13, 2025
Dr Nguyen is very attentive to my medical needs and concerns. He took time to address them. He is very professional and courteous.