| Business | Phone |
| Accurate Medical Billing Svc 10505 Judicial Dr 206, Fairfax 22030 | (703) 383-9543 |
| Ad Med Svc Inc 4804 Bentonbrook Dr, Fairfax 22030 | (703) 279-7900 |
| Evergreen Medical Billing Svc 3998 Fair Ridge Dr 320, Fairfax 22033 | (703) 295-9360 |
| Perinatal Billing Svc 3020 Hamaker Ct 501, Fairfax 22031 | (703) 273-1361 |
| Practice Plus Fairfax 22031 | (703) 425-4416 |