St. John Owasso
12451 E 100th St N · Owasso, Oklahoma 74055Ascension St. John Owasso is a 102-bed acute care hospital located in Owasso, Oklahoma, and is part of the Ascension St. John health system. It offers a wide range of medical services, including 24/7 emergency care, maternity services, advanced imaging, surgical procedures, and various specialty services, serving the healthcare needs of the Owasso community and surrounding areas with a commitment to personalized, faith-based care.
Specialties & Programs
Hospital information
- 24/7 Emergency Care
- Available
- Adult Trauma Center
- Level I
More emergency department details
- Pediatric Emergency Care
- Available
Provides emergency care for children, but does not have a dedicated pediatric emergency room.
- Stroke Center
- Available
Stabilizes and transfers stroke patients to a designated stroke center within the Ascension St. John system (e.g., Ascension St. John Tulsa).
- Cardiac Emergency Capabilities
- Available
Offers heart and vascular services; complex cardiac cases may be referred to Ascension St. John Tulsa.
- Burn Center
- Available
Information not available at this time. Please call (918) 274-5000 to inquire.
- Air Ambulance / Helipad
- Available
24/7 emergency care services available.
About Emergency Department Waits
Emergency departments treat patients according to medical urgency rather than arrival order. Wait times can change rapidly based on patient volume, ambulance arrivals, trauma cases and available treatment space. Patients with life-threatening conditions are prioritized immediately. This note is general information and does not describe St. John Owasso's current wait.

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