| Nurse practitioner | 115 |
| Family practice | 57 |
| Internal medicine | 42 |
| Emergency medicine | 23 |
| Certified Registered Nurse Anesthetist (CRNA) | 23 |
| Physical therapist (private practice) | 20 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 19 |
| Mass Immunization Roster Billers | 18 |
| Obstetrics/gynecology | 15 |
| Physician assistant | 15 |
| Diagnostic Radiology | 15 |
| Optometrist | 14 |
| General surgery | 13 |
| Nephrology | 12 |
| Anesthesiology | 10 |
| Mental Health Counselors | 8 |
| Orthopedic surgery | 7 |
| Podiatry | 6 |
| Ophthalmology | 5 |
| Interventional radiology | 5 |
| Psychiatry | 5 |
| Pathology | 5 |
| Pulmonary disease | 4 |
| Occupational therapist (private practice) | 4 |
| Cardiology | 4 |
| Hematology/oncology | 4 |
| Hospitalist | 4 |
| Urology | 3 |
| Centralized Flu | 3 |
| Neurosurgery | 3 |
| General practice | 3 |
| Chiropractic | 3 |
| Ambulatory Surgical Center | 3 |
| Radiation oncology | 3 |
| Licensed clinical social worker | 2 |
| Critical care (intensivists) | 2 |
| Portable X-Ray Supplier (Billing Independently) | 2 |
| Speech / language pathology | 2 |
| Vascular surgery | 2 |
| Interventional Cardiology | 2 |
| Plastic and reconstructive surgery | 2 |
| Gastroenterology | 2 |
| Neurology | 2 |
| Independent Diagnostic Testing Facility (IDTF) | 2 |
| Thoracic surgery | 2 |
| Otolaryngology | 2 |
| Dermatology | 2 |
| Sleep Medicine | 1 |
| Clinical psychologist | 1 |
| Audiologist (billing independently) | 1 |
| Sports Medicine | 1 |
| Clinical Laboratory (Billing Independently) | 1 |
| Opioid Treatment Program | 1 |
| Interventional Pain Management (IPM) | 1 |
| Endocrinology | 1 |
| Infectious disease | 1 |
| Pharmacy | 1 |
| Colorectal surgery (formerly proctology) | 1 |
| Maxillofacial surgery | 1 |
| Rheumatology | 1 |
| Allergy/immunology | 1 |