| Nurse practitioner | 100 |
| Family practice | 30 |
| Internal medicine | 25 |
| Physician assistant | 21 |
| Certified Registered Nurse Anesthetist (CRNA) | 15 |
| General surgery | 14 |
| Emergency medicine | 12 |
| Diagnostic Radiology | 12 |
| Physical therapist (private practice) | 11 |
| Mass Immunization Roster Billers | 11 |
| Anesthesiology | 11 |
| Obstetrics/gynecology | 10 |
| Anesthesiologist Assistant | 9 |
| Orthopedic surgery | 8 |
| Mental Health Counselors | 7 |
| Neurology | 6 |
| Ambulatory Surgical Center | 6 |
| Pulmonary disease | 6 |
| Optometrist | 5 |
| Hematology/oncology | 5 |
| Nephrology | 5 |
| Otolaryngology | 4 |
| Chiropractic | 4 |
| Critical care (intensivists) | 4 |
| Pathology | 4 |
| Centralized Flu | 4 |
| Hospitalist | 4 |
| Licensed clinical social worker | 4 |
| Psychiatry | 4 |
| Physical medicine and rehabilitation | 4 |
| Ophthalmology | 3 |
| Endocrinology | 3 |
| Occupational therapist (private practice) | 3 |
| Podiatry | 3 |
| Vascular surgery | 3 |
| Cardiology | 3 |
| Marriage and Family Therapist | 2 |
| Radiation oncology | 2 |
| Urology | 2 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 2 |
| Surgical oncology | 2 |
| Gastroenterology | 2 |
| Allergy/immunology | 2 |
| Medical oncology | 1 |
| General Psychiatry | 1 |
| Clinical psychologist | 1 |
| Neurosurgery | 1 |
| Rheumatology | 1 |
| Clinical Laboratory (Billing Independently) | 1 |
| Dermatology | 1 |
| Cardiac surgery | 1 |
| Independent Diagnostic Testing Facility (IDTF) | 1 |
| Sports Medicine | 1 |
| Cardiac Electrophysiology | 1 |
| Pediatric medicine | 1 |
| Interventional radiology | 1 |
| Infectious disease | 1 |
| Interventional Pain Management (IPM) | 1 |
| Opioid Treatment Program | 1 |