| Nurse practitioner | 160 |
| Family practice | 43 |
| Internal medicine | 36 |
| Certified Registered Nurse Anesthetist (CRNA) | 34 |
| Physician assistant | 28 |
| Mental Health Counselors | 23 |
| Emergency medicine | 22 |
| Optometrist | 20 |
| Pediatric medicine | 18 |
| Obstetrics/gynecology | 18 |
| Physical therapist (private practice) | 16 |
| Psychiatry | 13 |
| Orthopedic surgery | 13 |
| Diagnostic Radiology | 12 |
| Mass Immunization Roster Billers | 12 |
| Cardiology | 11 |
| Chiropractic | 11 |
| Licensed clinical social worker | 11 |
| Anesthesiology | 10 |
| General surgery | 9 |
| Neurology | 9 |
| Clinical psychologist | 9 |
| Otolaryngology | 8 |
| Pathology | 7 |
| Ophthalmology | 7 |
| Critical care (intensivists) | 7 |
| Ambulatory Surgical Center | 6 |
| Gastroenterology | 6 |
| Pharmacy | 5 |
| Podiatry | 5 |
| Audiologist (billing independently) | 5 |
| Neurosurgery | 5 |
| Hematology/oncology | 5 |
| Nephrology | 4 |
| Urology | 4 |
| Endocrinology | 4 |
| Rheumatology | 4 |
| Hospitalist | 4 |
| Pain Management | 4 |
| Clinical Laboratory (Billing Independently) | 3 |
| Plastic and reconstructive surgery | 3 |
| Dermatology | 3 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 3 |
| Centralized Flu | 3 |
| Infectious disease | 3 |
| Thoracic surgery | 2 |
| Occupational therapist (private practice) | 2 |
| Medical oncology | 2 |
| Sports Medicine | 1 |
| Pulmonary disease | 1 |
| Interventional Pain Management (IPM) | 1 |
| General practice | 1 |
| Sleep Medicine | 1 |
| Radiation oncology | 1 |
| Allergy/immunology | 1 |
| Registered Dietician/Nutrition Professional | 1 |
| Cardiac Electrophysiology | 1 |
| Micrographic Dermatologic Surgery | 1 |
| Marriage and Family Therapist | 1 |
| Certified clinical nurse specialist | 1 |