
When it comes to finding an advanced radiation treatment center in Ventura County, California, Radiation Oncology Centers has 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 O’Connor and Dr. Henry Montes. Both are regionally recognized radiation oncologists in Ventura County 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. For those searching for a trusted cancer treatment center close to home, 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
Radiation therapy in Ventura County, CA is available at Radiation Oncology Centers of Ventura County, with locations in Oxnard and Camarillo. Care begins with a consultation, followed by imaging and treatment planning. The team guides each step to ensure treatment is precise, appropriate, and tailored to the patient’s condition.
At Radiation Oncology Centers of Ventura County, radiation therapy is delivered by board-certified radiation oncologists supported by a skilled cancer care team. Patients receive care from specialists trained in advanced radiation treatments, with a focus on accuracy, safety, and consistent monitoring throughout treatment.
Radiation Oncology Centers of Ventura County offers a range of advanced radiation therapy options designed for different cancer types, including:
Each treatment is selected based on individual needs and clinical recommendations.
At Radiation Oncology Centers of Ventura County, radiation therapy begins with detailed planning to map the tumor and surrounding structures. Treatment is delivered in scheduled outpatient sessions over several weeks, with ongoing monitoring to maintain accuracy and support patient comfort throughout the process.
Radiation Oncology Centers of Ventura County is a trusted option for those looking for the best cancer treatment center in Ventura County, offering non-invasive, radiation-based care focused on precision and individualized treatment. Patients are supported by an experienced team and advanced technology, ensuring each treatment plan is carefully developed based on the patient’s diagnosis and medical needs.

Oxnard Center
1700 North Rose Ave, Suite 120, Oxnard, CA 93030
Phone: 805-988-2657 | Fax: 805-981-4456

Camarillo Center
5301 Mission Oaks Blvd, Suite A, Camarillo, CA 93012
Phone: 805-484-1919 | Fax: 805-987-3977