Hamed Nayeb-Hashemi, MD
Accepting new patients

Hamed Nayeb-Hashemi, MD

  • Gastroenterology
Average rating: 5.0
| 233 ratings
Thousand Oaks Digestive Diseases | 248 Hampshire Road, Suite 200, Thousand Oaks, CA 91361


Dr. Nayeb-Hashemi graduated from Northeastern University before attending the University of Pittsburgh School of Medicine, from which he received his MD in 2007. He completed both his internship and residency in internal medicine at Ronald Reagan UCLA Medical Center. He then completed his fellowship training in gastroenterology at Brigham and Women’s Hospital/Harvard Medical School. During that time, he was active in researching liver diseases and liver cancer. In the final year of his fellowship, he was named the Brigham and Women’s Hospital Teaching Fellow in Gastroenterology, in addition to being recognized for excellence in tutoring by Harvard Medical School.

Dr. Hamed Nayeb-Hashemi’s interests include liver diseases, medical education, reflux disease, peptic ulcer disease, fecal incontinence and perianal complaints, irritable bowel syndrome, inflammatory bowel disease, colorectal cancer screening and celiac disease. He is a member of American Gastroenterological Association Academy of Educators and is board certified in internal medicine and gastroenterology.




Medical Board Certification

Gastroenterology, American Board of Internal Medicine, 2014


Gastroenterology, Brigham and Women's Hospital, 2014


Internal Medicine, UCLA School of Medicine, 2010


Internal Medicine, UCLA School of Medicine, 2008


MD, University of Pittsburgh School of Medicine, 2007


  • Super Doctors® Southern California Rising Stars - 2022, 2020, 2019, 2018


Hospital Affiliations

Ronald Reagan UCLA Medical Center


Inflammatory Bowel Diseases: Management of Crohn’s Disease | UCLA Digestive Diseases
Inflammatory Bowel Diseases: Ulcerative Colitis | UCLA Digestive Diseases


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

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  • Super Doctors® Southern California Rising Stars - 2022, 2020, 2019, 2018