| Nurse practitioner | 99 |
| Family practice | 36 |
| Internal medicine | 26 |
| Certified Registered Nurse Anesthetist (CRNA) | 21 |
| Optometrist | 21 |
| Emergency medicine | 18 |
| Physician assistant | 12 |
| Anesthesiology | 11 |
| Mental Health Counselors | 9 |
| Obstetrics/gynecology | 9 |
| Orthopedic surgery | 9 |
| General surgery | 9 |
| Chiropractic | 9 |
| Cardiology | 8 |
| Mass Immunization Roster Billers | 7 |
| Licensed clinical social worker | 6 |
| Urology | 5 |
| Podiatry | 5 |
| Ophthalmology | 5 |
| Pain Management | 5 |
| Nephrology | 5 |
| Radiation oncology | 4 |
| Gastroenterology | 4 |
| Diagnostic Radiology | 4 |
| Ambulatory Surgical Center | 4 |
| Centralized Flu | 4 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 3 |
| Neurology | 3 |
| Physical therapist (private practice) | 3 |
| Dermatology | 3 |
| Clinical psychologist | 3 |
| Otolaryngology | 3 |
| Independent Diagnostic Testing Facility (IDTF) | 2 |
| Pathology | 2 |
| Physical medicine and rehabilitation | 2 |
| Interventional Pain Management (IPM) | 2 |
| Medical oncology | 2 |
| Hematology/oncology | 2 |
| Audiologist (billing independently) | 2 |
| Pulmonary disease | 2 |
| Clinical Laboratory (Billing Independently) | 1 |
| Psychiatry | 1 |
| Infectious disease | 1 |
| Portable X-Ray Supplier (Billing Independently) | 1 |
| Pharmacy | 1 |
| Allergy/immunology | 1 |
| Geriatric medicine | 1 |
| Rheumatology | 1 |
| Plastic and reconstructive surgery | 1 |
| Nuclear medicine | 1 |
| Marriage and Family Therapist | 1 |