| Nurse practitioner | 154 |
| Physical therapist (private practice) | 46 |
| Family practice | 45 |
| Licensed clinical social worker | 35 |
| Physician assistant | 34 |
| Chiropractic | 31 |
| Internal medicine | 21 |
| Anesthesiology | 19 |
| Mass Immunization Roster Billers | 19 |
| Mental Health Counselors | 18 |
| Certified Registered Nurse Anesthetist (CRNA) | 14 |
| Optometrist | 13 |
| Diagnostic Radiology | 12 |
| Emergency medicine | 11 |
| Occupational therapist (private practice) | 8 |
| Obstetrics/gynecology | 8 |
| Gastroenterology | 7 |
| Pathology | 7 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 7 |
| Certified nurse midwife | 7 |
| Orthopedic surgery | 7 |
| Speech / language pathology | 6 |
| Podiatry | 6 |
| Neurology | 6 |
| General surgery | 6 |
| Psychiatry | 5 |
| Urology | 5 |
| Hematology/oncology | 5 |
| Otolaryngology | 4 |
| Physical medicine and rehabilitation | 4 |
| Cardiology | 4 |
| Hospitalist | 4 |
| Endocrinology | 4 |
| Ophthalmology | 4 |
| Pulmonary disease | 3 |
| Centralized Flu | 3 |
| Neurosurgery | 3 |
| Radiation oncology | 3 |
| Audiologist (billing independently) | 3 |
| Pediatric medicine | 2 |
| Pharmacy | 2 |
| Registered Dietician/Nutrition Professional | 2 |
| Vascular surgery | 2 |
| Cardiac Electrophysiology | 2 |
| Clinical psychologist | 2 |
| Pain Management | 2 |
| Sleep Medicine | 1 |
| Surgical oncology | 1 |
| Infectious disease | 1 |
| Nuclear medicine | 1 |
| Interventional Pain Management (IPM) | 1 |
| Thoracic surgery | 1 |
| Marriage and Family Therapist | 1 |
| Interventional radiology | 1 |
| Allergy/immunology | 1 |
| Rheumatology | 1 |
| Nephrology | 1 |
| Clinical Laboratory (Billing Independently) | 1 |
| Ambulatory Surgical Center | 1 |
| Plastic and reconstructive surgery | 1 |
| Sports Medicine | 1 |