| Business | Phone |
| A & A Medclaims Oakland 94621 | (510) 635-8552 |
| Electronic Medical Mgmt Inc 3300 Webster St, Oakland 94609 | (510) 836-0492 |
| Executive Billing Co 2939 Summit St, Oakland 94609 | (510) 834-4270 |
| Healthcare Receivable Solution 8393 Capwell Dr # 200, Oakland 94621 | (510) 729-7040 |
| Medical Claims Networks Po Box 5864, Oakland 94605 | (510) 632-5948 |
| Octagon Resources Inc 3871 Piedmont Ave # 353, Oakland 94611 | (510) 655-4786 |
| Woods Billing Svc 333 Hegenberger Rd # 315, Oakland 94621 | (510) 553-1700 |
| Oakland Medical Billing 1714 Franklin St. #100-278, Oakland 94612 | (510) 984-1353 |