Cancer Institute at Dignity Health - St. Joseph's Medical Center is a cancer center that offers many services, including medical oncology, chemotherapy, and infusion. Visit St. Joseph's Cancer Institute located at 1800 N California St, Stockton, CA. This Stockton cancer center is one of the best in California. As part of the Dignity Health network, St. Joseph's Cancer Institute is dedicated to delivering high quality, compassionate care and access to Stockton and nearby communities.