Yi-Jen Chen, M.D., Ph.D.
Radiation Oncology
800-826-HOPE (4673)

Vincent Chung, M.D.
Medical Oncology
800-826-HOPE (4673)

Donald David, M.D., F.A.C.G.
Gastroenterology
800-826-HOPE (4673)

Joseph Kim, M.D.
Surgery
800-826-HOPE (4673)

Lily Lai, M.D.
Surgery
800-826-HOPE (4673)
llai@coh.org

Dean W. Lim, M.D.
Medical Oncology
800-826-HOPE (4673)

Howard Marx, M.D.
Radiology
800-826-HOPE (4673)

Jeffrey Y.C. Wong, M.D.
Radiation Oncology/Radiosurgery
800-826-HOPE (4673)

Yun Yen, M.D., Ph.D.
Research
626-256-4673, ext. 65707
yyen@coh.org