Nurse Practitioner Taxonomy Code 363L00000X
363L00000X
Level II - Classification
130,842Registered providers
50Medicare specialty
25.1NUCC version
57States & 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 130,842 registered providers whose primary or secondary taxonomy is this code. Of these, 14,385 (11%) are registered as organizations and 116,457 (89%) as individual providers. The states with the most nurse practitioner providers are Florida (11,473), California (9,165), Texas (7,756). 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
130,842Total providers
14,385Organizations 11%
116,457Individuals 89%
104,645Female
11,799Male
13Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-21T00:00:00.
View all 130,842 providersNurse Practitioner Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
130,842
Alabama1,801Alaska235American Samoa1Arizona2,156Arkansas949California9,165Colorado2,099Connecticut1,508Delaware790District Of Columbia344Florida11,473Georgia3,789Guam12Hawaii310Idaho846Illinois5,576Indiana3,899Iowa1,731Kansas1,712Kentucky4,023Louisiana1,397Maine639Mariana Islands4Maryland1,788Massachusetts4,165Michigan4,524Minnesota3,471Mississippi1,497Missouri2,362Montana443Nebraska1,198Nevada1,296New Hampshire637New Jersey2,303New Mexico763New York4,145North Carolina6,167North Dakota551Ohio5,600Oklahoma917Oregon1,012Palau1Pennsylvania4,963Puerto Rico22Rhode Island549South Carolina1,806South Dakota616Tennessee3,630Texas7,756Utah1,183Vermont200Virgin Islands7Virginia2,498Washington3,543West Virginia748Wisconsin4,731Wyoming178
Frequently Asked Questions
363L00000X questionsNPPES lists 130,842 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 25.1. Provider counts from NPPES. See nucc.org.
