Radiation Oncologists
     
Francine Halberg   Francine Halberg, M.D., Radiation Oncologist
Dr. Halberg has practiced radiation oncology at MCI since 1991. More than 60% of her patients are women with breast cancer. In addition to her practice, she is Associate Clinical Professor at the University of California (San Francisco). Known for her patient care and clinical skill, she has been named as one of the "Bay Area's Best Doctors" and "Top Doctors in the U.S.". Widely published in peer-review journals, she serves on many state and national studies and committees, including the California State Breast Cancer Research Council and Marin County's Women's Health Study. She received her medical degree from Cornell University (New York) and completed her residencies at Stanford University Medical Center. Prior to starting her practice In Marin County, she was a fulltime faculty member at Stanford and later at UCSF.
     
Lloyd Miyawaki   Lloyd Miyawaki, M.D., MCI Medical Director, Radiation Oncologist
Hawaii native Lloyd Miyawaki joined the Marin Cancer Institute in 1997, and is Medical Director of MCI as well as the MCI Radiation Oncology Department. Dr. Miyawaki received his undergraduate degree from Stanford University, before receiving his medical degree from UCSF and a Masters of Public Health from the University of California (Berkeley). He did his specialty training at UCSF. He is board certified in radiation oncology and is affiliated with the Seattle Prostate Institute and the PRO+QURA prostate brachytherapy quality assurance program. Dr. Miyawaki is also Assistant Clinical Professor at the University of California (San Francisco).
     
Joseph Poen  

Joseph C. Poen, M.D., Radiation Oncologist
Dr. Poen is a board-certified radiation oncologist with special training and interest in gastrointestinal cancer, including colorectal cancer. He received his medical degree at the University of California (Los Angeles), where he also completed his radiation oncology residency and received numerous academic honors. Prior to joining MCI in 2000, he was associated with Stanford University School of Medicine, where he was Director of the Gastrointestinal Comprehensive Cancer Clinic and Tumor Board, Associate Professor of Radiation Oncology, and principal investigator in radiation therapy research trials. He has lectured across the country and is widely published in peer-review journals on radiation oncology, including the treatment of pancreas cancer and a variety of other cancers.

“During the twenty years that I’ve been privileged to be involved in patient care my guiding principle has been to treat each patient as I would treat a member of my family. This requires making the time to see patients on short notice, seeking to understand all of the relevant medical and personal issues, providing information and answering questions until the patient is satisfied with their level of understanding, and ultimately delivering treatment with a level of quality that is second to none. The principle is simple to follow because it is the right thing to do."

     
Ernest (Wayne) Torigoe   Ernest (Wayne) Torigoe, M.D., PhD, Radiation Oncologist
Dr. Torigoe is a board-certified radiation oncologist and an approved investigator for a number of National Cancer Institute clinical trials. He received his PhD in physics from Stanford University, his medical degree from the University of California (Los Angeles), and completed his residency at the University of California (San Francisco). He has been on the MCI staff since 1982.


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