St. John's Regional Cancer Center - Oxnard, CA is a cancer center that offers many services, including medical oncology, genetic counseling, and clinical trials. Visit St. John's Regional Cancer Center - Oxnard, CA located at 1700 North Rose Ave, Oxnard, CA. This Oxnard cancer center is one of the best in California. As part of the Dignity Health network, St. John's Regional Cancer Center - Oxnard, CA is dedicated to delivering high quality, compassionate care and access to Oxnard and nearby communities.