• Medical Oncology Services
• Gastrointestinal Cancer Services
• Cancer Services
• Digestive Disease Services

• American Board of Internal Medicine, Medical Oncology

• English
• Farsi
• German

• Professor — Division of Hematology/Oncology, Department of Medicine, UC Irvine School of Medicine
• Medical Director — Stern Center for Cancer Clinical Trials & Research, UCI Health Chao Family Comprehensive Cancer Center
• Associate Director, Translational Science — Chao Family Comprehensive Cancer Center
• Vice Chair — UC Irvine Institutional Review Board
• Member — American Society of Clinical Oncology (ASCO)
• Member — Medical Oncology Association of Southern California (MOASC)

• Physicians of Excellence, Orange County Medical Association — 2022-2025
• Outstanding Teacher, Hematology/Oncology Fellowship Program — UC Irvine School of Medicine, 2020
• Achievement in Basic Science Fellowship Award — MD Anderson Cancer Center, 2011
• Prostate Cancer Foundation Young Investigator Award — 2011
• ASCO Cancer Foundation Merit Award — 2011, Genitourinary Cancers Symposium
• Trainee Excellence Award — MD Anderson Cancer Center, 2010
• Clifton D. Howe Award for Clinical Excellence — MD Anderson Cancer Center, 2009
• American Society of Hematology Annual Meeting Travel Award, 2009

Dr. Farshid Dayyani is a board-certified UCI Health medical oncologist who specializes in the treatment of gastrointestinal and hepatobiliary malignancies. His clinical interests include colorectal, esophageal, stomach, liver, bile duct, pancreatic and neuroendocrine cancers, as well as anal carcinoma.

He earned a combined medical degree and PhD in immunology at Ludwig Maximilian University of Munich in Germany. He completed a research fellowship in cancer biology and an internal medicine residency at Harvard Medical School in Boston, Mass. Next, he completed a combined clinical and research fellowship in medical oncology at the University of Texas MD Anderson Cancer Center in Houston. He later served as global clinical lead for oncology at Roche Diagnostics.

Dayyani serves as medical director of the Stern Center for Clinical Trials & Research and associate director for translational science for the UCI Health Chao Family Comprehensive Cancer Center. His research focus is on innovative clinical and translational studies of gastrointestinal and hepatobiliary carcinomas, with the goal of bringing leading-edge treatments to patients.

He manages a wide portfolio of investigator-initiated, National Cancer Institute-funded and industry-sponsored clinical trials aimed at developing novel cancer treatment options and establishing new biomarkers. He is also the author or co-author of more than 100 research studies published in leading medical journals.

Dayyani — who also speaks Farsi and German — sees patients in Orange and Costa Mesa.