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.
He is the best doctor I have ever had! listens and gives advice which is spot on.
(3 days ago)
Aug-2026
Very professional, spent time with patient.
(3 days ago)
Aug-2026
Dr.Najarian is always on time and he explains your diagnosis or tests completely. He is very pleasant, one of my best doctors.
(4 days ago)
Aug-2026
Excellent doctor!
(1 week ago)
Jul-2026
Very professional and was on time. Very easy to schedule a procedure and it wasn’t scheduled too far out.
(1 week ago)
Jul-2026
Dr Nigerian seems to be a very good doctor and listen to what I had to say. Although he didn’t have answers of why I’m so nauseous he ordered a test that would hopefully find the problem.
(1 week ago)
Jul-2026
Wonderful. No complaints.
(3 weeks ago)
Jul-2026
Took time to discuss and prepare for upcoming procedure.
(3 weeks ago)
Jul-2026
Excellent care.
(3 weeks ago)
Jul-2026
Dr Najarian is always so pleasant and patient. He has the gift of being very informative without giving confusing explanations. His calm and personable demeanor always make visits a positive experience.
(3 weeks ago)
Jul-2026
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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.
He is the best doctor I have ever had! listens and gives advice which is spot on.
Very professional, spent time with patient.
Dr.Najarian is always on time and he explains your diagnosis or tests completely. He is very pleasant, one of my best doctors.
Excellent doctor!
Very professional and was on time. Very easy to schedule a procedure and it wasn’t scheduled too far out.
Dr Nigerian seems to be a very good doctor and listen to what I had to say. Although he didn’t have answers of why I’m so nauseous he ordered a test that would hopefully find the problem.
Wonderful. No complaints.
Took time to discuss and prepare for upcoming procedure.
Excellent care.
Dr Najarian is always so pleasant and patient. He has the gift of being very informative without giving confusing explanations. His calm and personable demeanor always make visits a positive experience.