Cancer Care Associates We are a physician-owned oncology network offering services at 14 clinics including four cancer centers, and three satellite offices throughout Oklahoma. Our mission is to be the premier provider of Oncologic services in the Oklahoma area, known for outstanding value, compassionate patient and family care, superior access to and application of new concepts, techniques, and therapies. Our physicians and staff strive to provide the latest in state-of-the art treatment in the most supportive and caring environment possible.