Colorectal Surgery Team

Leadership
Andreas M. Kaiser, M.D., colorectal surgeon, Duarte, City of Hope
Andreas M. Kaiser, M.D.
Colorectal Surgeon
Duarte - Main Campus

Andreas M. Kaiser, M.D., professor and chief, Division of Colorectal Surgery, Department of Surgery, specializes in colorectal diseases.

Colorectal Surgeons
Mark Hanna, M.D.
Colorectal Surgeon
Corona; Upland

Mark Hanna, M.D., is an assistant clinical professor in the Division of Colorectal Surgery, Department of Surgery.

Lily Lau Lai, Surgical Oncologist
Lily Lau Lai, M.D.
Colorectal Surgeon
Duarte - Main Campus

Lily Lai, M.D., is a surgical oncologist and professor in the Division of Colorectal Surgery, Department of Surgery.

Kurt A. Melstrom, M.D.
Colorectal Surgeon
Duarte - Main Campus; Glendora

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

Meet Colorectal Surgeon Stephen M. Sentovich, M.D., MBA
Duarte - Main Campus; South Pasadena

Stephen M. Sentovich, M.D., M.B.A., is a colorectal surgeon and a clinical professor in the Division of Colorectal Surgery, Department of Surgery.

Yasmin Zerhouni
Yasmin Zerhouni, M.D.
Colorectal Surgeon
Duarte - Main Campus; South Pasadena; Arcadia

Yasmin Zerhouni, M.D., is an assistant clinical professor in the Division of Colorectal Surgery, Department of Surgery.

Surgical Oncologists
Aziz Ahmad, M.D.
Aziz Ahmad, M.D.
Surgical Oncologist
Glendora

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

Moshe Faynsod, F.A.C.S., M.D.
Moshe Faynsod, M.D.
Surgical Oncologist
South Bay

Moshe Faynsod, M.D., is surgical oncologist at City of Hope ǀ South Bay in Torrance, California.

Meet Our Doctors: Aaron Lewis, M.D.
Aaron Lewis, M.D.
Surgeon; Surgical Oncologist
South Pasadena; Arcadia

Aaron Lewis, M.D., is a surgeon at City of Hope's South Pasadena and Arcadia locations, specializing in general oncologic surgery.

Andrew Nguyen, M.D.
Andrew Nguyen, M.D.
Surgical Oncologist
South Bay; Long Beach Worsham

Specializing in bioengineering and tumor micro-environment in cancer development and progression, Andrew Nguyen, M.D., is an assistant clinical professor in the Division of Surgical Oncology in the Department of Surgery at City of Hope.

Yih Dar Nien
Yih-Dar Nien, M.D.
Surgical Oncologist
Santa Clarita; Antelope Valley

Yih-Dar Nien, M.D., is a cancer surgeon at City of Hope's Antelope Valley and Santa Clarita locations.

Meet Surgical Oncologist I. Benjamin Paz, M.D.
I. Benjamin Paz, M.D.
Surgical Oncologist
Duarte - Main Campus; South Pasadena

I. Benjamin Paz, M.D., is a nationally renowned surgical oncology surgeon, with expertise in breast cancer, gastrointestinal and rectal cancers, and tumors involving the bone and soft tissues.

Heather Player, M.D.
Heather Player, M.D.
Surgical Oncologist
Antelope Valley; Santa Clarita; Palmdale

Heather Player, M.D., is breast and colon cancer surgeon and an assistant clinical professor in the Division of Surgical Oncology at City of Hope. She practices at City of Hope | Antelope Valley and Mission Hills.

General Surgeons