Dr. James J. Lee, M.D. received his medical training at St. Louis University School of Medicine and completed his residency and fellowship training at the University of California, Irvine. Dr. Lee has been involved in numerous endoscopic treatments of heartburn. Additionally, he has performed more than 75 radio-frequency ablation procedures for Barrett Esophagus with dysplasia, as well as EMRs.
Dr. James J. Lee, M.D. received his medical training at St. Louis University School of Medicine and completed his residency and fellowship training at the University of California, Irvine. Dr. Lee has been involved in numerous endoscopic treatments of heartburn. Additionally, he has performed more than 75 radio-frequency ablation procedures for Barrett Esophagus with dysplasia, as well as EMRs.
The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.
Very personable and informative
(5 days ago)
Jan-2026
Straight to the matter and full explanation of procedure
(5 days ago)
Jan-2026
He is a talented and knowledgeable physician and is responsive to our current needs and concerns. I do recommend home to friends when appropriate need is there .
(6 days ago)
Jan-2026
Genuine, honest, listens carefully.
(6 days ago)
Jan-2026
Dr. Lee is knowledgeable and professional. I would appreciate a bit more patience when discussing my concerns.
(6 days ago)
Jan-2026
Always on time. Dr Lee is a good listener and communicates well about the patient needs.
(1 week ago)
Jan-2026
Excellent ... my Trusty Doctor for many years. I highly recommend Dr Lee.
(3 weeks ago)
Dec-2025
Very attentive to patient’s needs and provides appropriate cares.
(3 weeks ago)
Dec-2025
Good bedside manner. Talks smoothly for me to understand my medical issues. Looking forward to my procedure with him on January 9, 2026.
(1 month ago)
Dec-2025
My first visit was just what I needed. Dr. Lee listened to me, asked questiond, acted and even showed me a video of the procedure I would have. I'm confident that I will find out the root cause of my gut issue.
(1 month ago)
Dec-2025
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GI-Orange
1010 W. La Veta Ave Suite 570 Orange, CA 92868
Dr. James J. Lee, M.D. has a private practice located in Orange, California and is a clinical assistant professor at the University of California, Irvine. In the last two decades, Dr. Lee has been involved in numerous endoscopic treatments of heartburn. Additionally, he has performed more than 75 radio-frequency ablation procedures for Barrett Esophagus with dysplasia, as well as EMRs. Dr. Lee contributes regularly to Becker ASC review and his most recent article was quoted in Men Health Journal in 2015. After receiving his medical training at St. Louis University School of Medicine, Dr. Lee completed his residency and fellowship training at the University of California, Irvine. He is married and has one child in college. On his days off, he enjoys tennis, hiking, and traveling. One of Dr. Lee future goals is to establish a heartburn center at St. Joseph Hospital and raise awareness for esophageal cancer.
Very personable and informative
Straight to the matter and full explanation of procedure
He is a talented and knowledgeable physician and is responsive to our current needs and concerns. I do recommend home to friends when appropriate need is there .
Genuine, honest, listens carefully.
Dr. Lee is knowledgeable and professional. I would appreciate a bit more patience when discussing my concerns.
Always on time. Dr Lee is a good listener and communicates well about the patient needs.
Excellent ... my Trusty Doctor for many years. I highly recommend Dr Lee.
Very attentive to patient’s needs and provides appropriate cares.
Good bedside manner. Talks smoothly for me to understand my medical issues. Looking forward to my procedure with him on January 9, 2026.
My first visit was just what I needed. Dr. Lee listened to me, asked questiond, acted and even showed me a video of the procedure I would have. I'm confident that I will find out the root cause of my gut issue.