City of Hope South Pasadena

Wai Park, D.O., is an assistant professor in the Department of Medical Oncology & Therapeutics Research at City of Hope.

Helen Chen, M.D., is a radiation oncologist at City of Hope, South Pasadena in Los Angeles, Southern California.

James Y. Shen, M.D. is a medical oncologist and hematologist for City of Hope Arcadia and an assistant professor in the Department of Medical Oncology & Therapeutics Research. Dr. Shen is board-certified and trained in all aspects of medical oncology and hematology with clinical expertise in melanoma, gastrointestinal, head and neck, thoracic, genitourinary and blood cancers. "I have always felt a great sense of pride and privilege just to be present and provide guidance for someone in their times of need." Dr. Shen is fluent in Mandarin, Spanish and English.