| Nurse practitioner | 42 |
| Physician assistant | 21 |
| Family practice | 18 |
| Physical therapist (private practice) | 12 |
| Chiropractic | 8 |
| Mental Health Counselors | 8 |
| Hospitalist | 8 |
| Certified Registered Nurse Anesthetist (CRNA) | 8 |
| Emergency medicine | 7 |
| Urology | 7 |
| Mass Immunization Roster Billers | 7 |
| Anesthesiology | 6 |
| Certified nurse midwife | 6 |
| Obstetrics/gynecology | 6 |
| Orthopedic surgery | 5 |
| Cardiology | 5 |
| Internal medicine | 5 |
| Licensed clinical social worker | 4 |
| Pulmonary disease | 4 |
| Diagnostic Radiology | 4 |
| Psychiatry | 4 |
| General surgery | 3 |
| Gastroenterology | 3 |
| Podiatry | 3 |
| Clinical psychologist | 3 |
| Hematology/oncology | 3 |
| Optometrist | 2 |
| Interventional Cardiology | 2 |
| Pathology | 2 |
| Registered Dietician/Nutrition Professional | 2 |
| Endocrinology | 2 |
| Sports Medicine | 2 |
| Interventional Pain Management (IPM) | 1 |
| Medical oncology | 1 |
| Audiologist (billing independently) | 1 |
| Vascular surgery | 1 |
| Colorectal surgery (formerly proctology) | 1 |
| Occupational therapist (private practice) | 1 |
| Radiation oncology | 1 |
| Neurology | 1 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 1 |
| Otolaryngology | 1 |
| Thoracic surgery | 1 |