Coastal Radiation Oncology Medical Group
world-class cancer care has a local address.

Simi Valley Cancer Treatment

Simi Valley Radiation Oncology Medical Center

Simi Valley Radiation Oncology Medical Center

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.”

Simi Valley Radiation Oncology Medical Center Location

We are located near Simi Valley Hospital in Simi Valley, CA.
Our address is: 2985 North Sycamore Drive
Our phone is: (805) 584-6611
Please call if you need help finding us.

Our Doctors

Eugene Ahn, MD
Eugene Ahn, MDA 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).

Dr. Ahn also practices at North Oaks Radiation Oncology Center in Thousand Oaks,

Jonathan Abelson, M.D.

Jonathan Abelson, M.D.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, serving as chief resident in his final year.

At Stanford, Dr. Abelson gained comprehensive training in general radiation oncology and expertise in intensity-modulated and image-guided radiation therapy (IMRT and IGRT) and in stereotactic intracranial and body radiosurgery (SRS and SBRT). Dr. Abelson has authored numerous manuscripts on various aspects of IMRT, IGRT and SBRT, and he has presented at conferences in the United States and internationally. While at Stanford he conducted a clinical trial investigating pulmonary lymphography in SBRT, and on the Central Coast he implemented SBRT and SRS programs.

Dr. Abelson is Board Certified in Radiation Oncology by the American Board of Radiology. He is a member of the American Society for Therapeutic Radiology and Oncology (ASTRO), the American Society of Clinical Oncology (ASCO), and the American College of Radiation Oncology (ACRO).

Dr. Abelson also practices at North Oaks Radiation Oncology Center in Thousand Oaks, and Westlake Village Radiation Oncology Center.

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