| 01 |
General practice |
| 02 |
General surgery |
| 03 |
Allergy / immunology |
| 04 |
Otolaryngology |
| 05 |
Anesthesiology |
| 06 |
Cardiovascular Disease (Cardiology) |
| 07 |
Dermatology |
| 08 |
Family practice / Family Medicine |
| 09 |
Interventional pain management |
| 10 |
Gastroenterology |
| 11 |
Internal medicine |
| 12 |
Osteopathic manipulative medicine |
| 13 |
Neurology |
| 14 |
Neurosurgery |
| 15 |
Speech language pathologist in private practice |
| 16 |
Obstetrics / gynecology |
| 17 |
Hospice and palliative care |
| 18 |
Ophthalmology |
| 19 |
Oral surgery (dentists only) |
| 20 |
Orthopedic surgery |
| 21 |
Cardiac electrophysiology |
| 22 |
Pathology |
| 23 |
Sports medicine |
| 24 |
Plastic and reconstructive surgery |
| 25 |
Physical medicine and rehabilitation |
| 26 |
Psychiatry |
| 27 |
Geriatric psychiatry |
| 28 |
Colorectal surgery (formerly proctology) |
| 29 |
Pulmonary disease |
| 30 |
Diagnostic radiology |
| 31 |
Intensive cardiac rehabilitation |
| 32 |
Anesthesiologist assistant |
| 33 |
Thoracic surgery |
| 34 |
Urology |
| 35 |
Chiropractic |
| 36 |
Nuclear medicine |
| 37 |
Pediatric medicine |
| 38 |
Geriatric medicine |
| 39 |
Nephrology |
| 40 |
Hand surgery |
| 41 |
Optometry |
| 42 |
Certified nurse midwife |
| 43 |
Certified registered nurse anesthetist (CRNA) |
| 44 |
Infectious disease |
| 45 |
Mammography screening center |
| 46 |
Endocrinology |
| 47 |
Independent diagnostic testing facility |
| 48 |
Podiatry |
| 49 |
Ambulatory surgical center |
| 50 |
Nurse practitioner |
| 59 |
Ambulance service (private) |
| 60 |
Public health or welfare agencies (federal, state, and local) |
| 61 |
Voluntary health or charitable agencies (e.g., National Cancer Society, National Heart Association, Catholic Charities) |
| 62 |
Psychologist (billing independently) |
| 63 |
Portable X-ray supplier (billing independently) |
| 64 |
Audiologist (billing independently) |
| 65 |
Physical therapist in private practice |
| 66 |
Rheumatology |
| 67 |
Occupational therapist in private practice |
| 68 |
Clinical psychologist |
| 69 |
Clinical laboratory (billing independently) |
| 70 |
Single or multi-specialty clinic or group practice (PA Group) |
| 71 |
Registered dietician / nutrition professional |
| 72 |
Pain management |
| 73 |
Mass immunization roster biller |
| 74 |
Radiation therapy center |
| 76 |
Peripheral vascular disease |
| 77 |
Vascular surgery |
| 78 |
Cardiac surgery |
| 79 |
Addiction medicine |
| 80 |
Clinical social worker |
| 81 |
Critical care (intensivists) |
| 82 |
Hematology |
| 83 |
Hematology / oncology |
| 84 |
Preventive medicine |
| 85 |
Maxillofacial surgery |
| 86 |
Neuropsychiatry |
| 87 |
All other suppliers, e.g., drug stores |
| 88 |
Unknown provider |
| 89 |
Certified clinical nurse specialist |
| 90 |
Medical oncology |
| 91 |
Surgical oncology |
| 92 |
Radiation oncology |
| 93 |
Emergency medicine |
| 94 |
Interventional radiology |
| 95 |
Unknown supplier |
| 97 |
Physician assistant |
| 98 |
Gynecological / oncology |
| 99 |
Unknown physician specialty |
| A0 |
Hospital |
| A5 |
Pharmacy |
| C0 |
Sleep medicine |
| C1 |
Centralized flu biller |
| C2 |
Indirect payment procedure |
| C3 |
Interventional cardiology |
| C4 |
Restricted use |
| C5 |
Dentist |
| C6 |
Hospitalist |
| C7 |
Advanced heart failure and transplant cardiology |
| C8 |
Medical toxicology |
| C9 |
Hematopoietic cell transplantation and cellular therapy |
| D1 |
Medicare Diabetes Prevention Program |
| D2 |
MDPP supplier -- in-person with distance learning |
| D3 |
Medical genetics and genomics |
| D4 |
Undersea and Hyperbaric Medicine |
| D5 |
Opioid Treatment Program |
| D6 |
Home Infusion Therapy Services |
| D7 |
Micrographic Dermatologic Surgery (MDS) |
| D8 |
Adult Congenital Heart Disease (ACHD) |
| E1 |
Marriage and Family Therapist (MFT) |
| E2 |
Mental Health Counselor (MHC) |
| E3 |
Dental Anesthesiology |
| E4 |
Dental Public Health |
| E5 |
Endodontics |
| E6 |
Oral and Maxillofacial Pathology |
| E7 |
Oral and Maxillofacial Radiology |
| E9 |
Oral Medicine |
| F1 |
Orofacial Pain |
| F2 |
Orthodontics and Dentofacial Orthopedics |
| F3 |
Pediatric Dentistry |
| F4 |
Periodontics |
| F5 |
Prosthodontics |
