| Physical therapist (private practice) | 50 |
| Internal medicine | 34 |
| Physician assistant | 33 |
| Family practice | 21 |
| Nurse practitioner | 15 |
| Licensed clinical social worker | 13 |
| Clinical psychologist | 12 |
| Psychiatry | 10 |
| Obstetrics/gynecology | 9 |
| Optometrist | 6 |
| Chiropractic | 6 |
| Anesthesiology | 5 |
| Emergency medicine | 5 |
| Occupational therapist (private practice) | 5 |
| Mass Immunization Roster Billers | 5 |
| Mental Health Counselors | 5 |
| Otolaryngology | 2 |
| General surgery | 2 |
| Speech / language pathology | 2 |
| Ophthalmology | 2 |
| Gastroenterology | 2 |
| Orthopedic surgery | 2 |
| Certified nurse midwife | 2 |
| Dermatology | 2 |
| Marriage and Family Therapist | 2 |
| Hospitalist | 2 |
| Clinical Laboratory (Billing Independently) | 2 |
| Endocrinology | 2 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 1 |
| Audiologist (billing independently) | 1 |
| Plastic and reconstructive surgery | 1 |
| Podiatry | 1 |
| Infectious disease | 1 |
| Sports Medicine | 1 |
| Medical oncology | 1 |
| Gynecologist/oncologist | 1 |
| Urology | 1 |
| Unknown Provider | 1 |
| Neurosurgery | 1 |
| Certified Registered Nurse Anesthetist (CRNA) | 1 |
| Home Infusion Therapy Services | 1 |