Guan, Jay J, M.D.
Gastroenterology
Unio Specialty Care
4005 Mission Oak Blvd.
Camarillo CA 93012
Phone: 805-484-7921
Inflammatory Bowel Disease, Barret¡¯s Esophagus, NASH, GI motility disorders, Hepatitis B/C, and Eosinophilic Esophagitis.