Dr. Guan is a licensed Gastroenterology in CA. Medical degree obtained from Chicago Medical School - Rosalind Franklin University. Completed residency training at USC Medical Center and fellowship training at n/aLoma Linda University. Currently practices at Unio Specialty Care (Unio Specialty Care), located at 4005 Mission Oak Blvd., Camarillo, CA 93012. Dr. Guan specializes in Inflammatory Bowel Disease, Barret¡¯s Esophagus, NASH, GI motility disorders, Hepatitis B/C, and Eosinophilic Esophagitis.. In addition to English, Dr. Guan speaks Mandarin and accepts new patients.