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Physicians:
Bogdan Eftimie, MD
Dr. Eftimie earned his medical degree at Loma Linda University, his internship and residency at Loma Linda University, and his fellowship at the University of California, San Diego. His clinical interests include gastrointestinal, lung, melanoma, and benign hematology. Dr. Eftimie has a strong interest in research and serves as the principal investigator.
Emi Yoshida, MD
Dr. Yoshida earned her medical degree from the University of California, Davis, and completed her residency at Cedars-Sinai in Los Angeles, CA. She is an assistant professor in the Department of Radiation Oncology at UCSF and is on the faculty at UCSF Health, while also treating patients at the Washington Radiation Oncology Center.
Victor Chen, MD, MPH, Medical Director
Dr. Victor Chen is a radiation oncologist who joined the UCSF-Washington Cancer Center in 2024 and cares for patients with a variety of cancers and benign tumors, with a particular interest in breast cancer and prostate cancer. He attended the California Institute of Technology (Caltech) for college, and then earned his medical degree from UC San Diego School of Medicine. Dr. Chen completed his residency in radiation oncology as well as earned a Master of Public Health degree from Thomas Jefferson University in Philadelphia, PA. Outside of work, Dr. Chen enjoys spending time with family and hiking – especially in U.S. National Parks (as of 2025, he has visited 29).
Our Cancer Center is proud to have a dedicated team of highly trained Clinical Research Coordinators (CRCs) who play a vital role in advancing cancer care through clinical trials. Our CRCs are experienced professionals committed to supporting patients throughout every stage of their research journey—from enrollment and education to ongoing care and follow-up. Working closely with physicians, nurses, and the broader care team, they ensure that each study is conducted with the highest standards of quality, safety, and compassion. Their expertise and dedication help bring innovative treatments and hope to our patients while contributing to the future of cancer research.
Hours: Monday - Friday, 8 a.m. - 5 p.m.
For more information call:
510.818.7363 or
510.248.1600