| Nurse practitioner | 109 |
| Emergency medicine | 27 |
| Certified Registered Nurse Anesthetist (CRNA) | 25 |
| Family practice | 23 |
| Internal medicine | 19 |
| Physician assistant | 15 |
| Physical therapist (private practice) | 14 |
| Obstetrics/gynecology | 11 |
| General surgery | 9 |
| Licensed clinical social worker | 9 |
| Optometrist | 8 |
| Orthopedic surgery | 7 |
| Pharmacy | 6 |
| Physical medicine and rehabilitation | 6 |
| Mass Immunization Roster Billers | 6 |
| Occupational therapist (private practice) | 5 |
| Anesthesiology | 5 |
| Nephrology | 5 |
| Otolaryngology | 5 |
| Mental Health Counselors | 4 |
| Audiologist (billing independently) | 4 |
| Urology | 4 |
| Chiropractic | 4 |
| Pathology | 4 |
| Interventional radiology | 4 |
| Diagnostic Radiology | 4 |
| Neurosurgery | 4 |
| Cardiology | 4 |
| Psychiatry | 3 |
| Centralized Flu | 3 |
| Dermatology | 3 |
| Neurology | 3 |
| Clinical Laboratory (Billing Independently) | 3 |
| Gastroenterology | 3 |
| Interventional Pain Management (IPM) | 3 |
| Ophthalmology | 2 |
| Podiatry | 2 |
| Pediatric medicine | 2 |
| Geriatric medicine | 2 |
| Infectious disease | 2 |
| Hospitalist | 2 |
| Gynecologist/oncologist | 1 |
| Independent Diagnostic Testing Facility (IDTF) | 1 |
| Endocrinology | 1 |
| Sports Medicine | 1 |
| Critical care (intensivists) | 1 |
| Allergy/immunology | 1 |
| Clinical psychologist | 1 |
| Pulmonary disease | 1 |
| Registered Dietician/Nutrition Professional | 1 |
| Plastic and reconstructive surgery | 1 |
| Hematology/oncology | 1 |
| Rheumatology | 1 |
| Radiation oncology | 1 |