Cancer Doctors : Oklahoma Cancer Specialists and Research Institute

Pre-Check Has Arrived

With OCSRI's new mobile pre-check system, we can spend more time with you - not your paperwork.

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FEATURED: COLORECTAL CANCER

1 in 23 men and 1 in 25 women are diagnosed with colorectal cancer. Don't delay - early detection is critical.

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World-Class Cancer Care

We are driven by compassionate relationships and a commitment to excellence.

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More ways than ever to Relay

For over 35 years, communities across the world have come together to honor and remember loved ones and take action for lifesaving change. Funds raised through Relay For Life directly support breakthrough research, 24/7 support for cancer patients, access to lifesaving screenings, and much more.

Join a Relay for Life Community

Every two seconds someone in the U.S. needs blood

Blood donations are essential for cancer treatment, surgeries, chronic illnesses, and traumatic injuries. Whether a patient receives whole blood, red cells, platelets or plasma – this lifesaving care starts with one person making a generous donation.

Donate Blood Today

We are everything cancer is not

Oklahoma Cancer Specialists and Research Institute launched in 2016, uniting St. John Health System and Tulsa Cancer Institute. We exist to provide the highest level of comprehensive cancer care. We are driven by our compassion for patients and their families, investing in their health and well-being throughout treatment and beyond. Cancer will give up before we will.

We are dedicated to the mission of eliminating cancer and upholding the highest standards of quality care.

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