| Professional/1500 Claims | No Enrollment Required |
| Institutional/UB Claims | No Enrollment Required |
| Eligibility | No Enrollment Required |
| Electronic Remittance (ERA) | Enrollment Required - 37 days |
| Secondary Claims | No Enrollment Required |
| Government Employees Hospital Association |
| Government Employees Hospital Association GEHA |
| Government Employees Health Association GEHA |
| 1579 |
| 6467 |