Coastal Radiation Oncology is home to some of California’s leading radiation oncologists, and our technology makes it possible for us to perform minimally invasive, lifesaving cancer treatment—without requiring our patients to leave their neighborhood.
A graduate of the University of Washington, Dr. Ahn attended medical school at the New York University School of Medicine and completed a residency at UCLA Medical Center. He is board-certified in therapeutic radiology with a particular interest in stereotactic radiosurgery for brain tumors and head and neck cancers. Additionally, Dr. Ahn has significant experience in MammoSite brachytherapy for early stage breast cancer. Dr. Ahn initiated the first MammoSite treatment in Ventura County in 2004. The breast brachytherapy program in Thousand Oaks is now the largest in Ventura, Santa Barbara, and San Luis Obispo counties.
Dr. Ahn has published on stereotactic radiosurgery and was the recipient of the Young Oncologist Research Award 2003 from the American Radium Society. He is Vice President of Coastal Radiation Oncology Medical Group, the medical director of Coastal’s Simi Valley Radiation Oncology Center, and is co-medical director of the Los Robles Gamma Knife Center in Thousand Oaks. Dr. Ahn is a member of the American Society for Therapeutic Radiology and Oncology (ASTRO).