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| Saint John Medical Center Catholic hospital located in Tulsa, Oklahoma. Sponsored by Marian Health System. |   | |
| Jackson County Memorial Hospital Located in Altus. |   | ||
| Stillwater Medical Center Located in Stillwater, Oklahoma |   | ||
| Integris Health Inc. Nonprofit health care delivery system. |   | ||
| Saint Francis Hospital Located in Tulsa. |   | ||
| Hillcrest HealthCare Serving eastern Oklahoma. |   | ||
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