| Nurse practitioner | 59 |
| Family practice | 23 |
| Mass Immunization Roster Billers | 10 |
| Certified Registered Nurse Anesthetist (CRNA) | 8 |
| Optometrist | 7 |
| Physician assistant | 7 |
| Mental Health Counselors | 7 |
| Chiropractic | 7 |
| Licensed clinical social worker | 5 |
| Physical therapist (private practice) | 5 |
| Internal medicine | 4 |
| Emergency medicine | 3 |
| Obstetrics/gynecology | 3 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 3 |
| Otolaryngology | 2 |
| Clinical psychologist | 2 |
| Psychiatry | 2 |
| Infectious disease | 2 |
| Speech / language pathology | 2 |
| Orthopedic surgery | 2 |
| Diagnostic Radiology | 2 |
| Pediatric medicine | 2 |
| Anesthesiology | 2 |
| General practice | 2 |
| Pulmonary disease | 1 |
| Audiologist (billing independently) | 1 |
| Physical medicine and rehabilitation | 1 |
| Plastic and reconstructive surgery | 1 |
| Radiation oncology | 1 |
| Sports Medicine | 1 |
| Single or Multispecialty Clinic or Group Practice | 1 |
| Hospitalist | 1 |
| Vascular surgery | 1 |
| Gastroenterology | 1 |
| Cardiac Electrophysiology | 1 |
| Rheumatology | 1 |
| Cardiology | 1 |
| Podiatry | 1 |
| General surgery | 1 |
| Nephrology | 1 |