
When it comes to cancer treatment options in Southern California, Radiation Oncology Centers of Ventura County have been the premier choice for the latest in comprehensive cancer treatments since 1979. The centers are led by an award-winning team of UCLA-trained radiation oncologists that includes Dr. Timothy A. O’Connor and Dr. Henry Z. Montes. Both are regionally recognized leaders in the field of radiation oncology, and experts in Stereotactic Radiosurgery (SRS) and Image Guided Radiation Therapy (IGRT). More…


Our radiation oncologists Dr. O’Connor and Dr. Montes schedule dedicated time to educate and answer questions from each patient, and to put forth a customized and comprehensive plan of action. Our highly experienced cancer team works closely with medical oncologists and surgeons to keep patients and their families well-informed every step of the way. What sets us apart is the dedicated, personal attention that every patient receives. Each patient has his or her own treatment team that includes the following professionals:



“The best word to describe my experience is flawless. Everyone was fabulous, including the front office staff and the technicians. They were very professional, respectful, and friendly.”
– Esophagus Cancer Patient
“I liked how Dr. Montes was kind and gracious, and explained everything in detail, as I had many questions. Everybody was wonderful, and I’m thankful everything worked out so well.”
– Breast Cancer Patient

Oxnard Center
1700 North Rose Ave, Suite 120, Oxnard, CA 93030
Phone: 805-988-2657 | Fax: 805-981-4456
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Camarillo Center
5301 Mission Oaks Blvd, Suite A, Camarillo, CA 93012
Phone: 805-484-1919 | Fax: 805-987-3977
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