Browse by Specialty

By Count A–Z

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
251	Dental Assistant	2,862	126800000X
252	Community Health Center	2,804	261QC1500X
253	Foot Surgery Podiatrist	2,779	213ES0131X
254	Nursing Facility/Intermediate Care Facility	2,766	313M00000X
255	Point of Service	2,686	305S00000X
256	Pediatric Gastroenterology	2,671	2080P0206X
257	Behavioral Health Technician	2,637	374700000X
258	Physical Rehabilitation Occupational Therapist	2,606	225XP0019X
259	Nurse Anesthetist, Certified	2,588	163WA0400X
260	Recreation Therapist	2,538	225800000X
261	Psychiatric Unit	2,422	273R00000X
262	Psychiatric Hospital	2,413	283Q00000X
263	Cognitive & Behavioral Psychologist	2,396	103TB0200X
264	Public Health & General Preventive Medicine	2,371	2083P0901X
265	Reproductive Endocrinology	2,370	207VE0102X
266	Licensed Genetic Counselor	2,362	167G00000X
267	Pastoral Counselor	2,360	101YP1600X
268	Neonatal Critical Care Nurse Practitioner	2,355	363LN0005X
269	Specialist/Technologist, Surgical	2,342	246Z00000X
270	Surgical Oncology	2,339	2086X0206X
271	Advance Practice Midwife	2,278	163WA2000X
272	Exclusive Provider Organization	2,275	302F00000X
273	Diabetes Educator Nurse	2,269	163WD0400X
274	Gynecologic Oncology	2,268	207VX0201X
275	Pediatric Endocrinology	2,244	2080P0205X
276	Pulmonary Function Technologist	2,231	224P00000X
277	Pediatric Nurse	2,214	163WP0200X
278	Hand Therapy	2,214	2251G0304X
279	Foster Care Agency	2,182	253J00000X
280	Rehabilitation Counselor	2,178	225C00000X
281	Psychiatric Residential Treatment Facility	2,171	323P00000X
282	Mechanotherapist	2,145	172M00000X
283	Military Health Care Provider	2,122	171000000X
284	Obstetrics	2,072	207VX0000X
285	Pain Medicine	2,052	207LP3000X
286	Surgical Critical Care	2,039	2086S0102X
287	Oral & Maxillofacial Surgery (Physician)	1,999	204E00000X
288	Obesity Medicine	1,997	207ND0101X
289	Hypnotherapist	1,977	171WH0202X
290	Occupational Medicine Clinic	1,957	261QX0100X
291	Medical Laboratory Technician	1,956	246ZS0410X
292	Physical Therapist Assistant	1,940	1744P3200X
293	Sports Medicine (IM)	1,906	207RS0012X
294	Nutrition, Education	1,896	133NN1002X
295	Sports Medicine (Emergency)	1,888	207WX0107X
296	Legal Medicine	1,884	173000000X
297	Radiology Podiatrist	1,870	213EP1101X
298	Medicare Defined Swing Bed Unit	1,869	275N00000X
299	Clinical Nurse Specialist	1,867	364S00000X
300	Physiological Laboratory	1,865	293D00000X

Data sourced from the NPPES National Provider Identifier Registry.