| Nurse practitioner | 61 |
| Physician assistant | 40 |
| Internal medicine | 34 |
| Family practice | 28 |
| Licensed clinical social worker | 21 |
| Certified Registered Nurse Anesthetist (CRNA) | 19 |
| Emergency medicine | 15 |
| Physical therapist (private practice) | 14 |
| Mental Health Counselors | 13 |
| Chiropractic | 12 |
| Optometrist | 9 |
| Occupational therapist (private practice) | 9 |
| Obstetrics/gynecology | 6 |
| Certified nurse midwife | 6 |
| General surgery | 5 |
| Clinical psychologist | 5 |
| Hospitalist | 4 |
| Psychiatry | 4 |
| Anesthesiology | 4 |
| Neurology | 3 |
| Centralized Flu | 3 |
| Orthopedic surgery | 3 |
| Mass Immunization Roster Billers | 3 |
| Interventional Cardiology | 3 |
| Hematology/oncology | 3 |
| Cardiology | 3 |
| Critical care (intensivists) | 3 |
| Otolaryngology | 3 |
| Ophthalmology | 3 |
| Radiation oncology | 3 |
| Nephrology | 2 |
| Gastroenterology | 2 |
| Neurosurgery | 2 |
| Urology | 2 |
| Colorectal surgery (formerly proctology) | 2 |
| Vascular surgery | 2 |
| Allergy/immunology | 2 |
| Podiatry | 2 |
| Pulmonary disease | 2 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 2 |
| Sleep Medicine | 1 |
| Sports Medicine | 1 |
| Ambulatory Surgical Center | 1 |
| Dermatology | 1 |
| Marriage and Family Therapist | 1 |
| Cardiac surgery | 1 |
| Oral surgery (dentists only) | 1 |
| Rheumatology | 1 |
| Pharmacy | 1 |
| Physical medicine and rehabilitation | 1 |
| Hospice and Palliative Care | 1 |
| Registered Dietician/Nutrition Professional | 1 |
| Plastic and reconstructive surgery | 1 |
| Thoracic surgery | 1 |