| Business | Phone |
| Axis-Mso 211 Gateway Rd W # 208, Napa 94558 | (707) 259-2011 |
| Symed Corp 1700 Soscol Ave # 8, Napa 94559 | (707) 255-3300 |
| Accucom Data Inc 1100 Trancas St # 100, Napa 94558 | (707) 252-0866 |
| Md Medical Svc 1145 Trancas St, Napa 94558 | (707) 255-7676 |
| Physician Choice Medical Napa 94558 | (707) 226-6632 |
| Physician's Billing Svc 2180 Jefferson St # 104, Napa 94559 | (707) 254-0739 |