Los Angeles-Area Colorectal Cancer Care Team
At City of Hope®, we take a team-based approach to personalize each patient's treatment plan according to their unique situation. Our nationally renowned colorectal physicians work closely with patients and their families to ensure they receive compassionate and dignified care. Our team of experts includes colorectal surgeons, surgical oncologists, medical oncologists, gastroenterologists, radiologists, and pathologists, along with nurses, genetic counselors, nutritionists, and specially trained support staff.
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Our Colorectal Cancer Leadership
Marwan G. Fakih, M.D., is the Deputy Director, Comprehensive Cancer Center, and a medical oncologist specializing in gastrointestinal cancers.
Andreas M. Kaiser, M.D., professor and chief, Division of Colorectal Surgery, Department of Surgery, specializes in colorectal diseases.
Our Colorectal Surgeons
Amir Esparza, M.D., F.A.C.S., is a colorectal surgeon double-board certified in general surgery and colorectal surgery and commitment to compassionate, high-quality care.
Mark Hanna, M.D., is an assistant clinical professor in the Division of Colorectal Surgery, Department of Surgery.
Andreas M. Kaiser, M.D., professor and chief, Division of Colorectal Surgery, Department of Surgery, specializes in colorectal diseases.
Lily Lai, M.D., is a surgical oncologist and professor in the Division of Colorectal Surgery, Department of Surgery.
Kurt A. Melstrom, M.D., is an associate clinical professor in the Division of Colorectal Surgery, Department of Surgery.
Yasmin Zerhouni, M.D., is an assistant clinical professor in the Division of Colorectal Surgery, Department of Surgery.
Our Surgical Oncologists
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.
Aaron Lewis, M.D., is a surgeon at City of Hope's South Pasadena and Arcadia locations, specializing in general oncologic surgery.
Moshe Faynsod, M.D., is surgical oncologist at City of Hope South Bay in Torrance, California.
Aziz Ahmad, M.D., is a surgical oncologist in City of Hope's Glendora location.
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.
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.
Aaron Scott, M.D., is an assistant clinical professor in the Division of Surgical Oncology in the Department of Surgery at City of Hope.
Our Medical Oncologists
Marwan G. Fakih, M.D., is the Deputy Director, Comprehensive Cancer Center, and a medical oncologist specializing in gastrointestinal cancers.
Gagandeep Brar, M.D. is an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research.
Dani Castillo, M.D. is an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research.
Aditya Shreenivas, M.D., M.S. is an assistant clinical professor in the Department of Medical Oncology & Therapeutics Research.
Our Gastroenterologists
James Lin, M.D., is highly experienced in the field of endoscopic ultrasound, ERCP and other advanced endoscopy services.
Gregory Idos, M.D., M.S., is a gastroenterologist at City of Hope.
Trilokesh Kidambi, M.D., is a gastroenterologist with a specialty in colorectal cancer screening at City of Hope Duarte.
Dupinder Singh, M.D., is a gastroenterologist-hepatologist who diagnoses and treats liver diseases and liver cancer at City of Hope in the Los Angeles area.
Evan Mosier, M.D., is a gastroenterologist who diagnoses and treats a wide range of GI conditions at City of Hope in the Los Angeles area.
Our Radiation Oncologists
Radiation oncologist Yufei Liu, M.D., Ph.D., was called to be a physician out of his desire to alleviate patients’ suffering during their most vulnerable times and to translate the latest scientific discoveries into better cancer treatments.
Heather McGee, M.D., Ph.D., is an assistant professor in the Department of Radiation Oncology and Department of Immuno-Oncology at City of Hope.
Our Interventional Radiologists
Edward Boas, M.D., Ph.D., is an interventional radiologist.
Dr. Cherng Chao is an interventional radiologist in the Los Angeles area who uses image-guided therapies to diagnose and treat both benign and malignant conditions.
Jonathan Kessler, M.D., is an interventional radiologist specializing in colon, liver, kidney cancers.
Taedo (Jake) Choi, M.D., is an interventional radiologist at City of Hope Cancer Center Duarte, where he uses image-guided, minimally invasive procedures to help diagnose and treat a wide variety of cancer types.