The following is a list of frequently requested telephone numbers. If you can't find what you are looking for, please call Midwest Regional Medical Center's main switchboard at (405) 610-4411. For patient names and room numbers, please contact the main switchboard for further assistance.
| Department | Phone Number |
| Admitting | (405) 610-8807 |
| Billing Office | (405) 610-8147 |
| Care Van | (405) 610-8063 |
| Emergency Department | (405) 610-8838 |
| Human Resources | (405) 610-8762 |
| Main Number | (405) 610-4411 |
| Marketing & Public Relations | (405) 610-1196 |
| Medical Records | (405) 610-8084 |
| Outpatient Oncology Clinic | (405) 610-1542 |
| Patient Information | (405) 610-8575 |
| Physician Referral | (405) 610-3627 |
| Security | (405) 610-8140 |
| Sleep Lab | (405) 610-8039 |
| Surgery Waiting Area | (405) 610-8578 |
| Volunteer Department | (405) 610-8580 |
| Wound Care | (405) 610-8056 |
