| Advanced Billing Services, Inc. |
2 |
| AMAC |
1 |
| Argus Medical Management, LLC |
18 |
| ENT Billing |
1 |
| GroupOne Health Source |
18 |
| HealthPro Medical Billing |
3 |
| Innovative Practice Strategies IPS |
1 |
| J&S Stark Billing & Consulting, Inc. |
2 |
| MBMS - Medical Billing and Management Services |
10 |
