Brain Tumor Program: Visit Us Our UCI Health brain and spine tumor specialists see patients in Orange, Costa Mesa and Yorba Linda. Our locations are: UCI Health Chao Family Comprehensive Cancer Center 101 The City Drive South, Building 23 Orange, CA 92868 Phone: 714-456-8000 Maps & Directions Medical Facility Map › UCI Health — Costa Mesa Pacific Medical Plaza 1640 Newport Blvd., Suite 450 Costa Mesa, CA 92627 Phone: 949-999-2400 Fax: 949-999-2405 Maps & Directions UCI Health — Yorba Linda 18637 Yorba Linda Blvd. Yorba Linda, CA 92886 Phone: 714-790-8600 Maps & Directions To request an appointment, you may also fill out an online request form or send us an email. If you are a new patient, one of our brain tumor physicians will return your call within 24 hours, and we will schedule you for an appointment within 48 hours after insurance approval.