| Nurse practitioner | 132 |
| Certified Registered Nurse Anesthetist (CRNA) | 42 |
| Family practice | 32 |
| Physician assistant | 27 |
| Internal medicine | 25 |
| Emergency medicine | 24 |
| Hospitalist | 20 |
| Licensed clinical social worker | 17 |
| Optometrist | 13 |
| Physical therapist (private practice) | 13 |
| Chiropractic | 13 |
| Anesthesiology | 13 |
| Orthopedic surgery | 12 |
| Mental Health Counselors | 12 |
| Mass Immunization Roster Billers | 12 |
| Neurology | 11 |
| Psychiatry | 10 |
| General surgery | 9 |
| Gastroenterology | 8 |
| Obstetrics/gynecology | 8 |
| Hematology/oncology | 8 |
| Diagnostic Radiology | 7 |
| Nephrology | 6 |
| Ophthalmology | 6 |
| Pathology | 6 |
| Clinical psychologist | 6 |
| Pulmonary disease | 5 |
| Podiatry | 5 |
| Audiologist (billing independently) | 5 |
| Centralized Flu | 5 |
| Occupational therapist (private practice) | 4 |
| Physical medicine and rehabilitation | 4 |
| Cardiology | 4 |
| Anesthesiologist Assistant | 4 |
| Otolaryngology | 4 |
| Certified nurse midwife | 4 |
| Speech / language pathology | 3 |
| Critical care (intensivists) | 3 |
| Cardiac Electrophysiology | 3 |
| Neurosurgery | 3 |
| Ambulatory Surgical Center | 3 |
| Thoracic surgery | 3 |
| Dermatology | 3 |
| General practice | 2 |
| Marriage and Family Therapist | 2 |
| Interventional radiology | 2 |
| Pediatric medicine | 2 |
| Urology | 2 |
| Undersea and Hyperbaric Medicine | 2 |
| Interventional Cardiology | 2 |
| Radiation oncology | 1 |
| Rheumatology | 1 |
| Sleep Medicine | 1 |
| Interventional Pain Management (IPM) | 1 |
| Vascular surgery | 1 |
| Opioid Treatment Program | 1 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 1 |
| Hospice and Palliative Care | 1 |
| Endocrinology | 1 |
| Pain Management | 1 |
| Plastic and reconstructive surgery | 1 |
| Preventive medicine | 1 |
| Maxillofacial surgery | 1 |
| Home Infusion Therapy Services | 1 |
| Pharmacy | 1 |