| Nurse practitioner | 57 |
| Family practice | 24 |
| Physician assistant | 20 |
| Internal medicine | 15 |
| Licensed clinical social worker | 10 |
| General practice | 7 |
| Physical therapist (private practice) | 7 |
| Mass Immunization Roster Billers | 6 |
| Chiropractic | 6 |
| Clinical psychologist | 5 |
| Optometrist | 5 |
| Registered Dietician/Nutrition Professional | 5 |
| Dermatology | 4 |
| Obstetrics/gynecology | 4 |
| Centralized Flu | 4 |
| Emergency medicine | 4 |
| Occupational therapist (private practice) | 3 |
| Speech / language pathology | 3 |
| Mental Health Counselors | 3 |
| Gastroenterology | 2 |
| Cardiology | 2 |
| Clinical Laboratory (Billing Independently) | 2 |
| Orthopedic surgery | 2 |
| Pathology | 1 |
| Radiation oncology | 1 |
| General surgery | 1 |
| Neurology | 1 |
| Physical medicine and rehabilitation | 1 |
| Ophthalmology | 1 |
| Podiatry | 1 |
| Neurosurgery | 1 |
| Audiologist (billing independently) | 1 |
| Certified Registered Nurse Anesthetist (CRNA) | 1 |
| Marriage and Family Therapist | 1 |
| Independent Diagnostic Testing Facility (IDTF) | 1 |
| Plastic and reconstructive surgery | 1 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 1 |