2985 North Sycamore Drive
Simi Valley, California 93065

Phone: (805) 584-6611
Fax: (805) 584-0530

Dr. Eugene Ahn leads the qualified and compassionate team of cancer treatment professionals at Simi Valley Radiation Oncology Center. Along with his team of Radiation Therapists, Physicists and Dosimetrists, Dr. Ahn provides expert care to a wide range of patients in Simi Valley. The Simi Valley team delivers state-of-the-art technology in a compassionate environment, including 3D Radiation Treatment Planning, Intensity-Modulated Radiation Therapy (IMRT)and Image Guided Radiation Therapy (IGRT).

The Simi Valley team enhanced their cancer treatment technology with both IMRT and IGRT, increasing the availability and convenience of state-of-the-art cancer therapy for patients in Simi Valley and surrounding areas. The Simi Valley team is excited about the opportunity to provide cancer patients with advanced technology in a compassionate environment close to home.

“We pride ourselves on the compassionate care that the full team delivers throughout the entire treatment process. Our technology allows us to better serve patients and treat a wide variety of cancer types,” said Dr. Ahn.



Dr. Abelson graduated with honors from Pomona College with a B.A. in Mathematical Economics. He obtained his M.D. from UCLA medical school, where he received the Aesculapian award for service and leadership. He completed his residency training in Radiation Oncology at Stanford University, ...




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. 

World-Class Cancer Treatment has a Local Address

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Coastal Radiation Oncology Medical Center