| Nurse practitioner | 168 |
| Physician assistant | 41 |
| Internal medicine | 40 |
| Certified Registered Nurse Anesthetist (CRNA) | 31 |
| Emergency medicine | 30 |
| Licensed clinical social worker | 25 |
| Family practice | 23 |
| Mental Health Counselors | 21 |
| Chiropractic | 19 |
| Optometrist | 17 |
| General surgery | 16 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 15 |
| Obstetrics/gynecology | 13 |
| Mass Immunization Roster Billers | 13 |
| Physical therapist (private practice) | 12 |
| Anesthesiology | 12 |
| Cardiology | 11 |
| Podiatry | 10 |
| Hospitalist | 10 |
| Pulmonary disease | 7 |
| Otolaryngology | 7 |
| Pathology | 6 |
| Anesthesiologist Assistant | 6 |
| Diagnostic Radiology | 6 |
| Urology | 6 |
| Nephrology | 6 |
| Clinical psychologist | 5 |
| Neurology | 5 |
| Psychiatry | 5 |
| Neurosurgery | 5 |
| Endocrinology | 4 |
| Occupational therapist (private practice) | 4 |
| Interventional Cardiology | 4 |
| Ophthalmology | 4 |
| Orthopedic surgery | 4 |
| Vascular surgery | 4 |
| Hematology/oncology | 4 |
| Audiologist (billing independently) | 3 |
| Thoracic surgery | 3 |
| Hematology | 3 |
| Physical medicine and rehabilitation | 3 |
| Nuclear medicine | 3 |
| Plastic and reconstructive surgery | 3 |
| Certified nurse midwife | 3 |
| Radiation oncology | 3 |
| Ambulatory Surgical Center | 2 |
| Rheumatology | 2 |
| Gastroenterology | 2 |
| Interventional Pain Management (IPM) | 2 |
| Dermatology | 2 |
| Sports Medicine | 2 |
| Registered Dietician/Nutrition Professional | 2 |
| General practice | 1 |
| Critical care (intensivists) | 1 |
| Infectious disease | 1 |
| Cardiac Electrophysiology | 1 |
| Allergy/immunology | 1 |
| Opioid Treatment Program | 1 |
| Medical oncology | 1 |
| Hospice and Palliative Care | 1 |
| Hematopoietic Cell Transplantation and Cellular Therapy | 1 |
| Hand surgery | 1 |
| Speech / language pathology | 1 |
| Centralized Flu | 1 |