| Nurse practitioner | 85 |
| Physical therapist (private practice) | 75 |
| Physician assistant | 72 |
| Family practice | 51 |
| Internal medicine | 48 |
| Chiropractic | 37 |
| Emergency medicine | 31 |
| Optometrist | 29 |
| Licensed clinical social worker | 22 |
| Mass Immunization Roster Billers | 22 |
| Psychiatry | 21 |
| Marriage and Family Therapist | 21 |
| Clinical psychologist | 21 |
| Anesthesiology | 19 |
| Ophthalmology | 15 |
| Orthopedic surgery | 14 |
| Obstetrics/gynecology | 14 |
| Diagnostic Radiology | 13 |
| General surgery | 11 |
| Dermatology | 11 |
| Podiatry | 10 |
| Hospitalist | 9 |
| Gastroenterology | 8 |
| Ambulatory Surgical Center | 7 |
| Speech / language pathology | 7 |
| Registered Dietician/Nutrition Professional | 6 |
| Cardiology | 6 |
| Otolaryngology | 6 |
| Hematology/oncology | 5 |
| Neurosurgery | 5 |
| Physical medicine and rehabilitation | 5 |
| Rheumatology | 5 |
| Certified Registered Nurse Anesthetist (CRNA) | 5 |
| Neurology | 4 |
| Independent Diagnostic Testing Facility (IDTF) | 4 |
| Pathology | 4 |
| Occupational therapist (private practice) | 4 |
| General practice | 4 |
| Allergy/immunology | 4 |
| Mental Health Counselors | 3 |
| Audiologist (billing independently) | 3 |
| Radiation oncology | 3 |
| Infectious disease | 3 |
| Interventional Cardiology | 3 |
| Clinical Laboratory (Billing Independently) | 3 |
| Pulmonary disease | 3 |
| Urology | 2 |
| Preventive medicine | 2 |
| Critical care (intensivists) | 2 |
| Certified nurse midwife | 2 |
| Osteopathic manipulative therapy | 2 |
| Endocrinology | 2 |
| Psychologist (billing independently) | 2 |
| Plastic and reconstructive surgery | 2 |
| Pharmacy | 2 |
| Interventional radiology | 2 |
| Centralized Flu | 1 |
| Gynecologist/oncologist | 1 |
| Pain Management | 1 |
| Interventional Pain Management (IPM) | 1 |
| Nephrology | 1 |
| Hand surgery | 1 |
| Vascular surgery | 1 |
| Medical oncology | 1 |
| Pediatric medicine | 1 |
| Opioid Treatment Program | 1 |