| Business | Phone |
| Western Physicians Data Svc 1506 E Broadway # 304a, Columbia 65201 | (573) 442-6344 |
| Medcharge Columbia 65201 | (573) 815-9700 |
| Medical Billing Advantage Columbia 65202 | (573) 814-3971 |
| Medical Billing Ltd Ii 1502 E Broadway # 207, Columbia 65201 | (573) 449-6280 |