| Business | Phone |
| Abs Medical Billing 319 Erin Dr, Knoxville 37919 | (865) 588-0084 |
| Absolute Billing Solutions 4404 Fringe Tree Dr, Knoxville 37938 | (865) 922-1268 |
| Welch's Physician Billing Svc 116 E Inskip Dr, Knoxville 37912 | (865) 219-0330 |
| Apple Financial Management Svc 9051 Executive Park Dr # 102, Knoxville 37923 | (865) 531-0140 |
| University Physicians' Assn 9000 Executive Park Dr # C200, Knoxville 37923 | (865) 670-6102 |
| Tennessee Cancer Spec Billing 900 E Hill Ave, Knoxville 37915 | (865) 862-0998 |
| Senior Services Billing 280 Fort Sanders West Blvd, Knoxville 37922 | (865) 690-2395 |
| Strategic Practice Partners 1320 Old Weisgarber Rd, Knoxville 37909 | (865) 694-6919 |
| Creative Business Systems 3208 Tazewell Pike, Knoxville 37918 | (865) 688-8187 |
| Data Trans Billing Knoxville 37923 | (865) 691-2491 |
| Medical Billing Specialist 5808 Russell Run Rd, Knoxville 37918 | (865) 922-0147 |
| Health One Inc 5500 Lonas Dr, Knoxville 37909 | (865) 531-6070 |
| Healthcare Billing Resources 200 W 5th Ave # 301, Knoxville 37917 | (865) 546-7731 |
| Integrated Practice Svc 4709 Papermill Dr, Knoxville 37909 | (865) 766-0112 |