Gastroenterology Research Clinical Expertise Gastroenterology Fellowship Meet Our Fellows Faculty Contact Us Contact Us Division of Gastroenterology, Department of Medicine Home Research Clinical Departments Medicine Divisions Gastroenterology Contact Us CONTACT INFORMATION Division of Gastroenterology 3800 Chapman Ave, Suite 6400 Orange, CA 92868 Phone: 714-456-6745 (Academic Office - Non-patient related) Fax: 714-456-7753 Research Collaboration/Information Phone: 714-456-2215 Fax: 714-456-5820 Patient Care For information on patient care, please visit our healthcare website. There, you will find comprehensive information on patient care services, including details about our center and clinic locations. UCI HEALTH DEPARTMENT ADMINISTRATION Chief, Division of Gastroenterology & Hepatology Jason Samarasena, MD jsamaras@uci.edu Associate Chief, Division of Gastroenterology & Hepatology William Karnes, MD karnesw@uci.edu Division Administrator Amal Khalil 714-456-2249 akhalil@uci.edu Administrative Assistant Stevan Sanchez 714-456-6745 stevans@hs.uci.edu Finance Analyst Sandra Rodriguez 714-456-6754 sandrar4@uci.edu Fellowship Program Coordinator Lanette Guerrero 714-456-3823 mlguerr1@hs.uci.edu Division of Gastroenterology, Medicine UCI School of Medicine 3800 Chapman Ave #6400 Orange, CA 92868