Cancer is personal — so is the way we care for you at Ascension St. John
A cancer diagnosis can be overwhelming, but you are not alone. Ascension St. John partners with Oklahoma Cancer Specialists and Research Institute for your oncology care. After your diagnosis, you’ll meet with a multidisciplinary cancer care team that works together to create a personalized treatment plan with a goal of helping you return to your daily life.
At Ascension St. John and Oklahoma Cancer Specialists and Research Institute, your care team is part of a network of experienced cancer specialists. We provide evidence-based treatment approaches and the latest advancements in cancer care to deliver world-class cancer care, close to home.
Ascension St. John Oncology is recognized by U.S. News & World Report as a High Performing Hospital for 2025–2026 in leukemia, lymphoma and myeloma care.
Get the confidence and peace of mind that your doctor and care plan are right for you. It's easy to get a second opinion at Ascension St. John and Oklahoma Cancer Specialists and Research Institute. We can review your medical records and healthcare history to answer your questions and discuss options.
When you’re facing a new cancer diagnosis or deciding on a surgical or therapeutic treatment plan, there’s a lot to think about. Our cancer specialists can provide a second opinion, based on our experience and as part of a national team.
Before your appointment, check with your insurance company to find out if a second opinion is covered. We can request your medical records on your behalf, so they can be shared with your care team before your arrival.
If you are experiencing a life-threatening emergency, go directly to the ER or call 911.
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September 30, 2026
As Ascension St. John moves into its next century of care, we look back on the legacy of people that made it what it is today. For some, a career begins with a job offer. For Jane Hahn, it began with a calling.
August 26, 2026
As Ascension St. John marks 100 years in Tulsa, Sister Loretta Hall reflects on the Sisters of the Sorrowful Mother legacy of compassionate care and service.
February 4, 2026
Ascension St. John workforce development manager felt called to come back to the place where she started her career to help the Tulsa community explore careers in healthcare.
Ascension St. John is adding a Level 1 trauma center to the area, bringing convenient advanced emergency care close to home.
If incidents occur this Fourth of July, knowing where and when to get immediate and emergency care is important.
June 23, 2025
Ascension urgent care and orthopedic teams are here to help you manage your summer injury.
October 17, 2024
Ascension St. John is the robotics leader in northeastern Oklahoma.
August 20, 2024
Orthopedic surgeon, Dr. William Clark at Ascension St. John Scoliosis and Spine in Tulsa, Oklahoma, uses a personalized care team approach to patient surgery