B. Sean Nguyen, MD
Accepting New Patients

B. Sean Nguyen, MD

  • Gastroenterology
Average rating: 5.0
 
Torrance Digestive Diseases |

About

Dr. Nguyen earned his undergraduate degree in integrated 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 was elected chief fellow.

Dr. Nguyen specializes in general gastroenterology and has clinical expertise in colorectal cancer screening and polypectomy, gastroesophageal reflux disease, motility disorders, functional bowel disorders/disorders of gut-brain interaction (functional dyspepsia, irritable bowel syndrome, chronic constipation), inflammatory bowel disease (Crohn’s disease and ulcerative colitis), celiac disease, general hepatology and unsedated endoscopy. His clinical and research interests are in colorectal cancer prevention and global gastroenterology health.

He is a member of the American College of Gastroenterology, American Gastroenterological Association and American Society for Gastrointestinal Endoscopy.

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
127 total ratings | 92 reviews
5.0
September 29, 2025
Very detailed and thoughtful.
5.0
September 25, 2025
He answered all my questions, gave good information and discussed strategies for moving forward.
5.0
September 25, 2025
He is not only a great doctor but also an awesome human being. I’m glad that he is my doctor. I think that I’m blessed to have him in y corner.
5.0
September 24, 2025
Regarding my colonoscopy schedule, I was able to have a meaningful consultation based on my past test results.
5.0
September 24, 2025
Dr. Nuygen is very thorough and knowledgeable. I expressed a specific issue I am having and he quickly was on top of it re next steps for me. I am thankful to have him for my doctor.