Nurse Practitioner Taxonomy Code 363L00000X
363L00000X
Level II - Classification
146,723Registered providers
50Medicare specialty
26.0NUCC version
56States & territories
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Code Details for 363L00000X
About Taxonomy Code 363L00000X
The taxonomy code 363L00000X identifies Nurse Practitioner within the Physician Assistants & Advanced Practice Nursing Providers provider grouping. It is a Level II — Classification code, which names a provider's occupation or service within the broader provider grouping.
NPI records show 146,723 registered providers whose primary or secondary taxonomy is this code. Of these, 16,615 (11%) are registered as organizations and 130,108 (89%) as individual providers. The states with the most nurse practitioner providers are Florida (12,585), California (10,031), Texas (8,411). For Medicare enrollment, it crosswalks to specialty code 50 (Nurse Practitioner).
Taxonomy codes are self-selected by the provider based on their education and training; they describe the provider's type and specialty, not the specific services rendered.
Provider Composition & Statistics
146,723Total providers
16,615Organizations 11%
130,108Individuals 89%
116,655Female
13,279Male
174Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-08-02T00:00:00.
View all 146,723 providersNurse Practitioner Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
146,723
Alabama1,933Alaska253American Samoa1Arizona2,370Arkansas1,023California10,031Colorado2,228Connecticut1,608Delaware906District Of Columbia390Florida12,585Georgia4,234Guam12Hawaii353Idaho956Illinois6,226Indiana4,205Iowa1,847Kansas1,807Kentucky4,155Louisiana1,489Maine663Mariana Islands4Maryland2,056Massachusetts4,457Michigan4,796Minnesota3,624Mississippi1,580Missouri2,508Montana458Nebraska1,277Nevada1,452New Hampshire687New Jersey2,603New Mexico830New York4,424North Carolina6,552North Dakota589Ohio5,969Oklahoma988Oregon1,101Pennsylvania5,414Puerto Rico35Rhode Island620South Carolina2,015South Dakota667Tennessee3,917Texas8,411Utah1,373Vermont224Virgin Islands8Virginia2,670Washington3,784West Virginia824Wisconsin5,054Wyoming206
Frequently Asked Questions
363L00000X questionsNPPES lists 146,723 registered providers with this taxonomy code (Nurse Practitioner).
Both. About 11% of these providers are registered as organizations and 89% as individuals.
It crosswalks to Medicare specialty code 50 (Nurse Practitioner).
It is a Level II - Classification code in the NUCC Health Care Provider Taxonomy set.
Use the "Providers by state" directory on this page to open the list of nurse practitioner providers registered in any U.S. state.
Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 26.0. Provider counts from NPPES. See nucc.org.
