Dr. Jay Guan, M.D. earned his medical degree at Chicago Medical School—Rosalind Franklin University and completed his residency at University of Southern California. He finished his fellowship in Loma Linda University Medical Center. Dr. Guan has extensive training in a broad range of GI disorders and procedures. His clinical focus includes Inflammatory Bowel Disease, Barret’s Esophagus, NASH, GI motility disorders, Hepatitis B/C, and Eosinophilic Esophagitis.
Dr. Jay Guan, M.D. earned his medical degree at Chicago Medical School—Rosalind Franklin University and completed his residency at University of Southern California. He finished his fellowship in Loma Linda University Medical Center. Dr. Guan has extensive training in a broad range of GI disorders and procedures. His clinical focus includes Inflammatory Bowel Disease, Barret’s Esophagus, NASH, GI motility disorders, Hepatitis B/C, and Eosinophilic Esophagitis.
The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.
Despite a very fast paced clinic Dr Guan shows genuine interest and compassion for his patients and takes the time to make sure needs are addressed . Thank you Dr Guan , we appreciate you very much!
Jun-2025
Dr Guan, is an incredibly smart ant thoughtful Dr. he’s amazing at diagnosis
Dr Guan was attentive and provided clear and helpful guidance for managing my UC. Very positive experience!
May-2025
He was very informative and knowledgeable about my condition and what will occur during the colonoscopy procedure. He also covered other procedures that my be required in the near future. I was impressed.
May-2025
Very kind, very professional, explained information to where I could understand it.
May-2025
Such a great communicator!! Appreciated his honesty and attention to my stomach and bowel issues.
May-2025
Very helpful 5 Stats
May-2025
Highly recommend. Searched a long time for a great gastroenterologist.
May-2025
Read More
GI-Camarillo
4005 Mission Oaks Blvd. Unit A Camarillo, CA 93012
GI-Oxnard
2241 Wankel Way Suite A Oxnard, CA
Dr. Jay Guan, M.D. earned his medical degree at Chicago Medical School—Rosalind Franklin University and completed his residency at University of Southern California. He finished his fellowship in Loma Linda University Medical Center. Dr. Guan has extensive training in a broad range of GI disorders and procedures. His clinical focus includes Inflammatory Bowel Disease, Barret’s Esophagus, NASH, GI motility disorders, Hepatitis B/C, and Eosinophilic Esophagitis.
Despite a very fast paced clinic Dr Guan shows genuine interest and compassion for his patients and takes the time to make sure needs are addressed . Thank you Dr Guan , we appreciate you very much!
Dr Guan, is an incredibly smart ant thoughtful Dr. he’s amazing at diagnosis
Professional and informative.
Knowledgeable, thoughtful, friendly, listened well.
Dr Guan was attentive and provided clear and helpful guidance for managing my UC. Very positive experience!
He was very informative and knowledgeable about my condition and what will occur during the colonoscopy procedure. He also covered other procedures that my be required in the near future. I was impressed.
Very kind, very professional, explained information to where I could understand it.
Such a great communicator!! Appreciated his honesty and attention to my stomach and bowel issues.
Very helpful 5 Stats
Highly recommend. Searched a long time for a great gastroenterologist.