| Nurse practitioner | 154 |
| Physician assistant | 76 |
| Family practice | 43 |
| Certified Registered Nurse Anesthetist (CRNA) | 43 |
| Internal medicine | 35 |
| Emergency medicine | 24 |
| Chiropractic | 16 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 14 |
| Obstetrics/gynecology | 13 |
| Diagnostic Radiology | 13 |
| Optometrist | 13 |
| Licensed clinical social worker | 12 |
| Anesthesiology | 12 |
| Physical therapist (private practice) | 12 |
| Mass Immunization Roster Billers | 10 |
| General surgery | 10 |
| Cardiology | 10 |
| Pathology | 9 |
| Psychiatry | 7 |
| Pulmonary disease | 7 |
| Nephrology | 7 |
| Hematology/oncology | 6 |
| Orthopedic surgery | 6 |
| Otolaryngology | 6 |
| Clinical psychologist | 5 |
| Gastroenterology | 5 |
| Ophthalmology | 5 |
| Podiatry | 5 |
| Physical medicine and rehabilitation | 5 |
| Mental Health Counselors | 5 |
| Audiologist (billing independently) | 4 |
| Urology | 4 |
| Neurology | 4 |
| Occupational therapist (private practice) | 4 |
| Certified nurse midwife | 4 |
| Ambulatory Surgical Center | 4 |
| Clinical Laboratory (Billing Independently) | 3 |
| Infectious disease | 3 |
| Pain Management | 3 |
| Radiation oncology | 2 |
| Rheumatology | 2 |
| Plastic and reconstructive surgery | 2 |
| Centralized Flu | 2 |
| Speech / language pathology | 2 |
| Certified clinical nurse specialist | 2 |
| Registered Dietician/Nutrition Professional | 2 |
| Cardiac surgery | 2 |
| Medical oncology | 2 |
| Dermatology | 2 |
| Sleep Medicine | 1 |
| Colorectal surgery (formerly proctology) | 1 |
| Neurosurgery | 1 |
| Endocrinology | 1 |
| Unknown Provider | 1 |
| Thoracic surgery | 1 |
| General practice | 1 |
| Neuropsychiatry | 1 |
| Interventional Cardiology | 1 |
| Pediatric medicine | 1 |
| Osteopathic manipulative therapy | 1 |
| Vascular surgery | 1 |
| Hospitalist | 1 |
| Opioid Treatment Program | 1 |
| Oral surgery (dentists only) | 1 |