Inflammatory Bowel Disease Program: Visit Us Our UCI Health inflammatory bowel disease specialists see patients in Costa Mesa, Irvine, Orange and Tustin. Our locations are: Chao Family Comprehensive Digestive Disease Center 101 The City Drive South Pavilion 3, Building 22C Orange, CA 92868 Phone: 888-717-GIMD (888-717-4463) Maps & Directions Medical Facility Map › UCI Health — Costa Mesa 1640 Newport Blvd., Suite 100 Costa Mesa, CA 92627 Phone: 888-717-GIMD (888-717-4463) Maps & Directions UCI Health Gottschalk Medical Plaza 1 Medical Plaza Drive Irvine, CA 92697 Phone: 888-717-GIMD (888-717-4463) Maps & Directions UCI Health Digestive Disease Center — Tustin 1451 Irvine Blvd. Tustin, CA 92780 Phone: 714-838-8878 Maps & Directions