Division of Gynecological Oncology
Gynecologic Oncology Surgery Team
Christopher Chung, M.D., is a urogynecologist and an associate clinical professor in the Division of Gynecologic Oncology. He sees patients in Duarte and Arcadia, California.

Joshua G. Cohen, M.D., F.A.C.O.G., F.A.C.S., is a board-certified gynecologic oncologist dedicated to offering his patients in Orange County empathy and excellence in clinical care.

Maria de Leon, M.D., is an assistant clinical professor in City of Hope's Division of Gynecologic Oncology, specializing in diagnosis and treatment of cervical, endometrial/uterine and ovarian cancers.
Thanh H. Dellinger, M.D., is a gynecologic oncologist focusing on ovarian cancer, cervical cancer, uterine cancer, robotic surgery and fertility sparing cancer treatments.

Amy Hakim, M.D., is a surgical oncologist dedicated to treating gynecological cancers. In addition to providing gynecological surgery options to treat cancer, Dr. Hakim is also studying the connection these cancers’ connection to then human papillomavirus (HPV) and the HPV vaccine.
Ernest Han, M.D., Ph.D., is a gynecologic oncologist with specialized training in minimally invasive and robotic-assisted surgery.
Mehdi M. Kebria, M.D., is a gynecologic oncologist and assistant clinical professor in the Division of Gynecologic Oncology within the Department of Surgery.

Stephen Lee, M.D., is a gynecologic oncologist focusing on ovarian cancer, uterine (endometrial) cancer, cervical cancer, and robotic surgery.
Wei-Chien Michael Lin, M.D., is a gynecologic oncologist at City of Hope's Mission Hills and Santa Clarita, California, locations.

Jeff F. Lin, M.D., is a gynecologic oncologist in the Department of Surgery at City of Hope.