Ascension St. John Medical Center

In Tulsa, OK, care teams at Ascension St. John Medical Center and ER deliver testing and care for your everyday needs.

Ascension stories you'll love

Woman sitting on the couch wrapped in a blanket, drinking hot tea and holding tissue.
Health Education

5 ways to protect yourself from the flu

Start with a yearly flu vaccine, then add these everyday habits to lower your risk and help protect others
September 3, 2026
portrait of Sister Loretta Hall
Community

How the Sisters built a legacy in Tulsa

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.
August 26, 2026
Man lying in bed with his eyes closed and hand resting on his face, illustrating symptoms that may be associated with seasonal allergies, a cold or the flu.
Health Education

Is it allergies, a cold or the flu? How to spot the difference

Allergies, colds and the flu symptoms can be similar. Learning how to spot key differences can help you feel better faster.
August 17, 2026
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What sets us apart

Comprehensive stroke care

As the only Joint Commission-certified comprehensive stroke center in eastern Oklahoma, we stand ready 24/7 to deliver advanced stroke care.

Ready for any emergency

This achievement recognizes the trauma program’s dedication to providing optimal care for injured patients. Ours is the only American College of Surgeons-verified trauma program in northeastern Oklahoma.

Excellence in cardiac care

Ascension St. John Medical has been named Oklahoma’s first certified Transcatheter Valve Center by the American College of Cardiology.

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When Seconds Matter

At Ascension St. John Level One Trauma Center, cutting-edge technology, swift action, and compassionate care unite to treat patients when every second matters.