| Business | Phone |
| Anesthesiologist Associated 18757 Burbank Blvd # 305, Tarzana 91356 | (818) 344-6988 |
| Pacer Medical Billing 18653 Ventura Blvd # 332, Tarzana 91356 | (818) 357-5374 |
| Advance Medical Billing 18401 Burbank Blvd # 218, Tarzana 91356 | (818) 345-0504 |
| Advanced Billing Management 18401 Burbank Blvd, Tarzana 91356 | (818) 757-1037 |
| Choice Medical Billing Po Box 5092, Tarzana 91356 | (818) 705-4474 |
| Everest Medical Billing 18445 Collins St # 108, Tarzana 91356 | (818) 342-6221 |
| Vital Signs Receivables Mgmt Tarzana 91356 | (818) 705-4220 |
| Medical Billing Remedies 18345 Ventura Blvd, Tarzana 91356 | (818) 996-9079 |
| Medical Electronic Data Systs Tarzana 91356 | (818) 609-0008 |