Dr. Haig Najarian, M.D. is a practicing Gastroenterologist in Orange and Irvine, CA. He treats patients with gastrointestinal and liver disease and performs a wide spectrum of endoscopic procedures. He obtained his medical degree at the USC School of Medicine and served his clinical internship, residency, and gastroenterology fellowship at the UC San Diego School of Medicine.
Dr. Haig Najarian, M.D. is a practicing Gastroenterologist in Orange and Irvine, CA. He treats patients with gastrointestinal and liver disease and performs a wide spectrum of endoscopic procedures. He obtained his medical degree at the USC School of Medicine and served his clinical internship, residency, and gastroenterology fellowship at the UC San Diego School of Medicine.
The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.
Great doctor. Highly recommend.
(3 days ago)
Feb-2026
Kind.Great listening.Great! Knowledgeable! very happy that I met Dr. Nigerian and should I need someone for my tummy it would be him. Thank you very much Susan K.
(3 days ago)
Feb-2026
First visit, very nice guy
(1 week ago)
Feb-2026
Perfectionism
(1 week ago)
Feb-2026
Always friendly
(2 weeks ago)
Feb-2026
On time thorough
(2 weeks ago)
Feb-2026
Very kind and personable. Made me feel at ease and well cared for. I have already recommended him to my friends and family.
(3 weeks ago)
Feb-2026
Very friendly and knowledgeable, very easy to talk to.
(3 weeks ago)
Feb-2026
Great doctor, very knowledgeable. Would highly recommend.
(3 weeks ago)
Feb-2026
Excellent
(3 weeks ago)
Feb-2026
Read More
GI-Orange
1010 W. La Veta Ave Suite 570 Orange, CA 92868
Dr. Haig Najarian, M.D. is a practicing Gastroenterologist in Orange and Irvine, CA. He treats patients with gastrointestinal and liver disease and performs a wide spectrum of endoscopic procedures.
He was raised in Southern California and graduated from the University of California, Irvine, with a Bachelor of Science in Biological Sciences. Shortly after, he obtained his medical degree at the USC School of Medicine in 1992, where he developed his interest in gastroenterology and liver disease. Dr. Najarian then served his clinical internship, residency, and gastroenterology fellowship at the UC San Diego School of Medicine.
In 1997, Dr. Najarian joined the clinical staff at St. Joseph’s Hospital in Orange, as well as several other Orange County hospitals. Additionally, he has been an active member of the St. Joseph’s staff, serving on the Quality Enhancement Committee, as well as the Internal Medicine Core Committee, where he is the current Vice Chair of the Department of Internal Medicine. He also served as the GI Section Committee Chair and is an active member of the Medicine Executive Committee. Finally, he has been a sub-investigator in numerous clinical trials.
On a personal level, he enjoys spending time with his wife and three children, who are currently all in college. He enjoys traveling, many types of music, sports, and hiking.
Great doctor. Highly recommend.
Kind.Great listening.Great! Knowledgeable! very happy that I met Dr. Nigerian and should I need someone for my tummy it would be him. Thank you very much Susan K.
First visit, very nice guy
Perfectionism
Always friendly
On time thorough
Very kind and personable. Made me feel at ease and well cared for. I have already recommended him to my friends and family.
Very friendly and knowledgeable, very easy to talk to.
Great doctor, very knowledgeable. Would highly recommend.
Excellent