Oklahoma Cancer Specialists and Research Institute offers the region’s most comprehensive cancer care. We are a physician-owned group practice with more than 20 blood and cancer specialty physicians and 200 nurses and associates.

OCSRI was formed in 2016 as a partnership between St. John Health System and Tulsa Cancer Institute. With over 90 years of experience, our combined health systems provide first-rate knowledge and expertise on cancer research and treatment.

We remain active in clinical research trials, strive to implement the latest technologies, and provide a continuum of care and support with our patients’ best interests in mind. Above everything, Oklahoma Cancer Specialists and Research Institute is committed to supporting our patients throughout their fight with cancer. We are dedicated to personalized, custom care for each patient.

At OCSRI, you will find an ally in your fight against cancer and an unrelenting dedication to our patients, their families, and all who support them.