John Yim, M.D., is a breast cancer, thyroid cancer and endocrine disorders surgeon.

Janet Yoon, M.D., is a Clinical Professor, Medical Director of Pediatric Musculoskeletal Tumor Program, Department of Pediatrics at City of Hope, Duarte, CA.

Jeffrey S. Yoshida, M.D., is the medical director of urologic surgery at City of Hope Orange County. He is currently located at the Newport Beach Fashion Island location.

Jonathan Young, M.D., is an associate clinical professor in the Department of Diagnostic Radiology at City of Hope

Shan Yuan, M.D., is a pathologist specializing in transfusion medicine.

Bertram Yuh, M.D., is a urologic surgeon at City of Hope's Duarte and Pasadena locations.

Finly Zachariah, M.D., specializes in the palliative medicine at City of Hope cancer research hospital, helping patients with their supportive care needs, from pain control to the many issues involved in hospice and end-of-life care.

Jasmine Zain M.D., is a professor in hematology and HCT. Additionally, she is the Tim Nesvig Lymphoma Research Fellow, as well as director of the T cell Lymphoma Program at City of Hope.