| Professional/1500 Claims | No Enrollment Required |
| Institutional/UB Claims | No Enrollment Required |
| Electronic Remittance (ERA) | Enrollment Required - Instant |
| Nationwide Affinity Ins Co Of America (NAICOA) |
| Nationwide Ins Co Of America (NICOA) |
| Nationwide Insurance Companies |
| Nationwide Mutual Fire Co |
| Nationwide Affinity Ins Co Of America (NAICOA) |
| Nationwide Ins Co Of America (NICOA) |
| Nationwide Mutual Insurance Company |
| Nationwide Property And Casualty Ins Co |
| Nationwide Affinity Ins Co Of America (NAICOA) |
| Nationwide Ins Co Of America (NICOA) |