Kurt A. Melstrom, M.D., is an associate clinical professor in the Division of Colorectal Surgery, Department of Surgery.

Emmanuel John Mitsinikos, M.D., is a urologic surgeon at City of Hope Glendora and an assistant clinical professor in the Division of Urology and Urologic Oncology in the Department of Surgery. He specializes in general urology, kidney stones, BPH, erectile dysfunction and surgery to treat kidney, testicular, bladder and prostate cancer. Dr. Mitsinikos is passionate about finding and employing the latest technologies to give his patients the best possible care. He makes a point of educating patients about all their options, "so they are more readily equipped to make the right decision for themselves."

Humberto Villarreal, M.D., is a urologic surgeon in the Division of Urology and Urologic Oncology and Department of Surgery at City of Hope.

Aziz Ahmad, M.D., is a surgical oncologist in City of Hope's Glendora location.

Diana Londoño, M.D., is a urologic oncology surgeon in the Department of Surgery.