| Nurse practitioner | 7 |
| Physical therapist (private practice) | 6 |
| Chiropractic | 4 |
| Mass Immunization Roster Billers | 3 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 3 |
| Physician assistant | 2 |
| Licensed clinical social worker | 1 |
| Mental Health Counselors | 1 |
| General surgery | 1 |
| Clinical Laboratory (Billing Independently) | 1 |
| Optometrist | 1 |
| Family practice | 1 |