| Nurse practitioner | 99 |
| Licensed clinical social worker | 69 |
| Physician assistant | 63 |
| Internal medicine | 41 |
| Certified Registered Nurse Anesthetist (CRNA) | 37 |
| Family practice | 31 |
| Chiropractic | 22 |
| Anesthesiology | 21 |
| Mental Health Counselors | 18 |
| Emergency medicine | 17 |
| Physical therapist (private practice) | 15 |
| Psychiatry | 12 |
| Orthopedic surgery | 8 |
| General surgery | 8 |
| Ophthalmology | 7 |
| Cardiology | 7 |
| Mass Immunization Roster Billers | 7 |
| Clinical psychologist | 6 |
| Diagnostic Radiology | 6 |
| Obstetrics/gynecology | 6 |
| Optometrist | 5 |
| Audiologist (billing independently) | 5 |
| Podiatry | 5 |
| Certified nurse midwife | 4 |
| Physical medicine and rehabilitation | 4 |
| Interventional Cardiology | 4 |
| Neurosurgery | 4 |
| Vascular surgery | 3 |
| Pulmonary disease | 3 |
| Hospitalist | 3 |
| Pathology | 3 |
| Pharmacy | 3 |
| Urology | 2 |
| Cardiac Electrophysiology | 2 |
| Neurology | 2 |
| Critical care (intensivists) | 2 |
| Endocrinology | 2 |
| Gastroenterology | 2 |
| Otolaryngology | 2 |
| Hematology/oncology | 2 |
| Infectious disease | 2 |
| Occupational therapist (private practice) | 2 |
| Pediatric medicine | 1 |
| Hand surgery | 1 |
| Oral surgery (dentists only) | 1 |
| Plastic and reconstructive surgery | 1 |
| Thoracic surgery | 1 |
| Radiation oncology | 1 |
| Certified clinical nurse specialist | 1 |
| Allergy/immunology | 1 |
| Dermatology | 1 |
| Micrographic Dermatologic Surgery | 1 |
| Centralized Flu | 1 |
| Sports Medicine | 1 |
| Geriatric medicine | 1 |
| Ambulatory Surgical Center | 1 |
| Interventional radiology | 1 |
| Speech / language pathology | 1 |
| Opioid Treatment Program | 1 |