Benjamin F. Nulsen, MD
Accepting New Patients

Benjamin F. Nulsen, MD

  • Gastroenterology
Average rating: 4.9
 
Santa Monica Digestive Diseases |

About

Dr. Nulsen earned his bachelor's degree from Georgetown University in Washington, DC. He earned his medical degree from the Icahn School of Medicine at Mount Sinai in New York City, and continued there for his residency in internal medicine, serving as chief resident. He completed his gastroenterology fellowship training at UCLA, where he was chief fellow.

During training, Dr. Nulsen researched novel approaches to gastrointestinal bleeding and patterns of medication use in irritable bowel syndrome. He also worked with the American Gastroenterological Association to develop the Gastro Cards educational app.

Dr. Nulsen practices general gastroenterology and has clinical expertise in colon cancer screening, gastroesophageal reflux disease, motility disorders, functional bowel disorders, colorectal disorders, colonoscopy and endoscopy. He is a member of the American College of Gastroenterology and American Gastroenterological Association. He is board certified in internal medicine and gastroenterology.

Languages

English

Education

Medical Board Certifications

Gastroenterology, American Board of Internal Medicine, 2020
Internal Medicine, American Board of Internal Medicine, 2016

Fellowship

Gastroenterology, UCLA School of Medicine, 2020

Residency

Internal Medicine, Icahn School of Medicine at Mount Sinai, 2017

Degree

MD, Icahn School of Medicine at Mount Sinai, 2013

Hospital Affiliations

Ronald Reagan UCLA Medical Center

UCLA Santa Monica 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 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:
4.9
121 total ratings | 65 reviews
5.0
July 30, 2025
Was very kind and thorough and made me comfortable
5.0
July 23, 2025
Dr. Nulsen is very knowledgeable and always wonderful to speak with. It had been too long since a visit!
5.0
July 22, 2025
The doctor gave me a clear assessment of what I needed to do next. I felt confident in his recommendations.
5.0
July 22, 2025
The doctor was knowledgeable and presented me with options of medication’s. When I was objecting to one medication, he made suggestions to another medication. I feel like he listened to me and was thoughtful.
5.0
July 21, 2025
Very attentive, he addressed all my concerns