Contact Cancer Center Palo Alto (CCPA) Please enter the Cancer Center (CCPA) from the front entrance, then proceed to the basement. Once in the basement waiting room, please contact Riya Prashad (530) 760-7163 for assistance to enter the cancer clinic. Cancer Center Palo Alto (CCPA) 875 Blake Wilbur Dr Stanford, CA 94307 Get Directions Contact Information Xuejun Gu, PhD Associate Professor CCPA CC-G205xuejungu@stanford.edu Riya PrashadAssistant Clinical Research Coordinator Cancer Center, at 875 Blake Wilbur (530) 760-7163rprashad@stanford.edu Mailing Address 875 Blake Wilbur Dr CC-G217 Stanford, CA 94305-5132