| Nurse practitioner | 205 |
| Family practice | 143 |
| Physician assistant | 93 |
| Emergency medicine | 49 |
| Physical therapist (private practice) | 44 |
| Internal medicine | 40 |
| Certified Registered Nurse Anesthetist (CRNA) | 37 |
| Anesthesiology | 33 |
| Obstetrics/gynecology | 31 |
| Chiropractic | 24 |
| Mental Health Counselors | 23 |
| Mass Immunization Roster Billers | 23 |
| Clinical psychologist | 19 |
| Licensed clinical social worker | 18 |
| Ophthalmology | 17 |
| Diagnostic Radiology | 17 |
| General surgery | 17 |
| Orthopedic surgery | 17 |
| Optometrist | 16 |
| Anesthesiologist Assistant | 15 |
| Cardiology | 15 |
| Podiatry | 11 |
| Psychiatry | 11 |
| Pulmonary disease | 10 |
| Pathology | 9 |
| Physical medicine and rehabilitation | 9 |
| Urology | 8 |
| Dermatology | 8 |
| Pharmacy | 8 |
| Gastroenterology | 8 |
| Interventional Cardiology | 8 |
| Occupational therapist (private practice) | 7 |
| Allergy/immunology | 5 |
| Nephrology | 5 |
| Neurology | 5 |
| Hematology/oncology | 5 |
| Audiologist (billing independently) | 4 |
| Endocrinology | 4 |
| Medical oncology | 4 |
| Pain Management | 4 |
| Neurosurgery | 4 |
| Thoracic surgery | 4 |
| Ambulatory Surgical Center | 4 |
| Infectious disease | 4 |
| Speech / language pathology | 3 |
| Centralized Flu | 3 |
| Marriage and Family Therapist | 3 |
| Pediatric medicine | 3 |
| Radiation oncology | 3 |
| Ambulance Service Supplier, e.g., private ambulance companies, funeral homes | 3 |
| Otolaryngology | 3 |
| Vascular surgery | 3 |
| Plastic and reconstructive surgery | 2 |
| Hospitalist | 2 |
| Cardiac Electrophysiology | 2 |
| Sports Medicine | 2 |
| Colorectal surgery (formerly proctology) | 2 |
| Independent Diagnostic Testing Facility (IDTF) | 2 |
| Opioid Treatment Program | 1 |
| General practice | 1 |
| Unknown Provider | 1 |
| Certified nurse midwife | 1 |
| Registered Dietician/Nutrition Professional | 1 |
| Sleep Medicine | 1 |
| Clinical Laboratory (Billing Independently) | 1 |
| Hospice and Palliative Care | 1 |
| Oral surgery (dentists only) | 1 |
| Gynecologist/oncologist | 1 |
| Interventional radiology | 1 |
| Rheumatology | 1 |