| Nurse practitioner | 24 |
| Physician assistant | 21 |
| Family practice | 17 |
| Diagnostic Radiology | 14 |
| Certified Registered Nurse Anesthetist (CRNA) | 9 |
| Mass Immunization Roster Billers | 5 |
| Optometrist | 5 |
| Emergency medicine | 5 |
| Podiatry | 4 |
| Clinical Laboratory (Billing Independently) | 4 |
| General surgery | 4 |
| Obstetrics/gynecology | 4 |
| Orthopedic surgery | 4 |
| Chiropractic | 4 |
| Internal medicine | 3 |
| Hospitalist | 3 |
| Licensed clinical social worker | 3 |
| Urology | 3 |
| Cardiology | 3 |
| Audiologist (billing independently) | 2 |
| Mental Health Counselors | 2 |
| Anesthesiology | 2 |
| Physical therapist (private practice) | 2 |
| Pharmacy | 2 |
| Neurology | 1 |
| Clinical psychologist | 1 |
| Critical care (intensivists) | 1 |
| Pediatric medicine | 1 |
| Interventional Cardiology | 1 |
| Centralized Flu | 1 |
| Hematology/oncology | 1 |
| Marriage and Family Therapist | 1 |
| Ophthalmology | 1 |
| Nephrology | 1 |
| Independent Diagnostic Testing Facility (IDTF) | 1 |
| Ambulatory Surgical Center | 1 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 1 |
| Pulmonary disease | 1 |
| Pathology | 1 |
| Certified clinical nurse specialist | 1 |
| Radiation oncology | 1 |
| Pain Management | 1 |