Kristina Wittig, M.D. | Urologic Oncology Surgeon

Kai Dallas, M.D., is an assistant clinical professor in the Department of Surgery at City of Hope.

Donald Hannoun, M.D., is a surgeon practicing urology and urologic oncology at City of Hope | Antelope Valley and Santa Clarita.

Amartej Merla, M.D., is a medical oncologist and hematologist with expertise in hematological cancers as well as gastrointestinal, stomach, esophageal and colorectal cancers. He practices at City of Hope's Antelope Valley location.