| Licensed clinical social worker | 143 |
| Nurse practitioner | 83 |
| Physician assistant | 50 |
| Family practice | 40 |
| Clinical psychologist | 37 |
| Mental Health Counselors | 26 |
| Internal medicine | 22 |
| Physical therapist (private practice) | 22 |
| Chiropractic | 15 |
| Psychiatry | 13 |
| Obstetrics/gynecology | 12 |
| Mass Immunization Roster Billers | 12 |
| Optometrist | 12 |
| Emergency medicine | 12 |
| Anesthesiology | 11 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 11 |
| Audiologist (billing independently) | 10 |
| Registered Dietician/Nutrition Professional | 8 |
| Ophthalmology | 8 |
| Pulmonary disease | 8 |
| Pediatric medicine | 6 |
| Orthopedic surgery | 5 |
| Centralized Flu | 5 |
| Cardiology | 5 |
| Speech / language pathology | 4 |
| Gastroenterology | 4 |
| General surgery | 4 |
| Certified nurse midwife | 4 |
| Certified clinical nurse specialist | 4 |
| Dermatology | 3 |
| Diagnostic Radiology | 3 |
| Occupational therapist (private practice) | 3 |
| Podiatry | 3 |
| Plastic and reconstructive surgery | 2 |
| Nephrology | 2 |
| Infectious disease | 2 |
| Allergy/immunology | 2 |
| Physical medicine and rehabilitation | 2 |
| Radiation oncology | 2 |
| Endocrinology | 1 |
| Maxillofacial surgery | 1 |
| Vascular surgery | 1 |
| Hematology/oncology | 1 |
| Certified Registered Nurse Anesthetist (CRNA) | 1 |
| General practice | 1 |
| Clinical Laboratory (Billing Independently) | 1 |
| Home Infusion Therapy Services | 1 |
| Sports Medicine | 1 |
| Independent Diagnostic Testing Facility (IDTF) | 1 |
| Rheumatology | 1 |
| Marriage and Family Therapist | 1 |
| Hospice and Palliative Care | 1 |
| Neurology | 1 |
| Hospitalist | 1 |
| Hematology | 1 |
| Urology | 1 |
| Ambulatory Surgical Center | 1 |
| Medical oncology | 1 |