Visit Us The UCI Health Digestive Health Institute (DHI) brings world-class care closer to you. Our digestive disease specialists see patients at the following locations: UCI Health H.H. Chao Comprehensive Digestive Disease Center 101 The City Drive South, Building 22C Orange, CA 92868 Main Phone: 888-717-GIMD (888-717-4463) Alternate Phone: 714-456-7890 Maps & Directions › Medical Facilities Map › UCI Health Gottschalk Medical Plaza 1 Medical Plaza Drive, Ground Floor Plaza Multispecialty Suite Irvine, CA 92697 Phone: 888-717-4463 Maps & Directions › UCI Health Digestive Disease Center — Newport Pacific Medical Plaza 1640 Newport Blvd., Suite 350 Costa Mesa, CA 92627 Phone: 888-717-4463 Maps & Directions › UCI Health — Newport Beach 2161 San Joaquin Hills Road Newport Beach, CA 92660 Main Phone: 949-386-5700 Maps & directions › UCI Health Digestive Disease Center — Tustin 1451 Irvine Blvd. Tustin, CA 92780 Phone: 714-838-8878 Maps & directions › UCI Health Digestive Disease Center — High Desert 12595 Hesperia Road, Suite 101 Victorville, CA 92305 Main Phone: 760-269-3099 Fax: 760-269-3038 Maps & directions › UCI Health — Yorba Linda 18637 Yorba Linda Blvd. Yorba Linda, CA 92886 Main Phone: 714-790-8600 Fax: 714-779-8003 Maps & directions ›