| Business | Phone |
| Lake Source Medical Svc 1413 Catalina, Leander 78641 | (512) 259-7682 |
| Cen-Tex Medical Claims 17113 E Darleen Dr, Leander 78641 | (512) 267-2614 |
| Professional Billing Svc 1024 Downridge Dr, Leander 78641 | (512) 528-9253 |
| C B Practice Management Sltns 7601 Bar K Ranch Rd, Leander 78645 | (512) 267-6744 |