Browse all healthcare provider specialties registered in the NPPES database. Specialties are based on NUCC taxonomy codes assigned by each provider at the time of NPI registration.
| Rank | Specialty | Providers | Taxonomy Code |
|---|---|---|---|
| 51 | Acupuncturist | 42,936 | 171100000X |
| 52 | Occupational Therapy Assistant | 40,822 | 224Z00000X |
| 53 | Medical Physician Assistant | 39,828 | 363AM0700X |
| 54 | Orthopaedic Surgery | 36,349 | 207X00000X |
| 55 | Cardiovascular Disease | 36,035 | 207RC0000X |
| 56 | Skilled Nursing Facility | 34,216 | 314000000X |
| 57 | Ophthalmology | 32,784 | 207W00000X |
| 58 | Adult Health Nurse Practitioner | 32,742 | 363LA2200X |
| 59 | Bus | 32,720 | 343900000X |
| 60 | Pharmacy | 30,215 | 333600000X |
| 61 | Peer Specialist | 30,142 | 175T00000X |
| 62 | Hospitalist | 30,111 | 208M00000X |
| 63 | Mental Health Clinic | 29,577 | 261QM0801X |
| 64 | General Practice | 29,394 | 208D00000X |
| 65 | Clinic/Center | 27,400 | 261Q00000X |
| 66 | Neurology | 27,222 | 2084N0400X |
| 67 | Assisted Living Facility | 26,935 | 310400000X |
| 68 | Acute Care Nurse Practitioner | 26,768 | 363LA2100X |
| 69 | Gastroenterology | 25,747 | 207RG0100X |
| 70 | Dental Clinic | 24,960 | 261QD0000X |
| 71 | Audiologist | 24,452 | 231H00000X |
| 72 | Pediatric Nurse Practitioner | 23,536 | 363LP0200X |
| 73 | Dermatology | 22,211 | 207N00000X |
| 74 | Physical Medicine & Rehabilitation | 22,029 | 208100000X |
| 75 | Orthodontics | 20,980 | 1223X0400X |
| 76 | Occupational Therapy Assistant | 20,695 | 225400000X |
| 77 | Physical Therapy Clinic | 20,412 | 261QP2000X |
| 78 | Case Management Agency | 19,622 | 251B00000X |
| 79 | Pulmonary Disease | 19,327 | 207RP1001X |
| 80 | Urology | 18,963 | 208800000X |
| 81 | Licensed Vocational Nurse | 18,879 | 164X00000X |
| 82 | Surgical Physician Assistant | 18,646 | 363AS0400X |
| 83 | Anatomic Pathology & Clinical Pathology | 18,543 | 207ZP0102X |
| 84 | Clinical Medical Laboratory | 18,222 | 291U00000X |
| 85 | Doula | 17,921 | 374J00000X |
| 86 | Hematology | 17,314 | 207RH0003X |
| 87 | Nephrology | 17,297 | 207RN0300X |
| 88 | Podiatrist | 17,236 | 213E00000X |
| 89 | Pediatric Dentistry | 17,233 | 1223P0221X |
| 90 | Federally Qualified Health Center | 17,192 | 261QF0400X |
| 91 | Eyewear Supplier | 16,950 | 332H00000X |
| 92 | Primary Care Clinic | 16,920 | 261QP2300X |
| 93 | Developmental Therapist | 16,696 | 222Q00000X |
| 94 | Foot & Ankle Surgery Podiatrist | 16,647 | 213ES0103X |
| 95 | Pediatric Occupational Therapist | 16,451 | 225XP0200X |
| 96 | Home Health | 16,361 | 251G00000X |
| 97 | Dental Hygienist | 16,044 | 124Q00000X |
| 98 | Local Education Agency | 15,974 | 251300000X |
| 99 | General Acute Care Hospital | 14,854 | 282N00000X |
| 100 | Otolaryngology | 14,464 | 207Y00000X |
Data sourced from the NPPES National Provider Identifier Registry.