163W00000X
Registered Nurse Nutrition Support Taxonomy Code 163WN1003X
163WN1003X
Level III - Area of Specialization
382Registered providers
26.0NUCC version
49States & territories
Definition
No official NUCC definition is published for this code.
Code Details for 163WN1003X
About Taxonomy Code 163WN1003X
The taxonomy code 163WN1003X identifies Registered Nurse Nutrition Support within the Nursing Service Providers provider grouping. It is a Level III — Area of Specialization code, the most specific tier: it narrows the parent classification to a defined subspecialty.
NPI records show 382 registered providers whose primary or secondary taxonomy is this code. Of these, 81 (21%) are registered as organizations and 301 (79%) as individual providers. The states with the most registered nurse nutrition support providers are California (38), Texas (27), Florida (23).
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
382Total providers
81Organizations 21%
301Individuals 79%
279Female
22Male
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-12T00:00:00.
View all 382 providersRegistered Nurse Nutrition Support Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
382
Alabama7Arizona14Arkansas4California38Colorado9Connecticut5Delaware5District Of Columbia1Florida23Georgia20Hawaii2Idaho3Illinois15Indiana9Iowa2Kentucky1Louisiana2Maryland9Massachusetts11Michigan12Minnesota5Mississippi5Missouri6Montana4Nebraska2Nevada1New Hampshire1New Jersey7New Mexico3New York18North Carolina9Ohio11Oklahoma2Oregon6Pennsylvania12Puerto Rico2Rhode Island3South Carolina6South Dakota1Tennessee5Texas27Utah4Vermont1Virgin Islands1Virginia9Washington8West Virginia1Wisconsin4Wyoming1
Frequently Asked Questions
163WN1003X questionsNPPES lists 382 registered providers with this taxonomy code (Registered Nurse Nutrition Support).
Both. About 21% of these providers are registered as organizations and 79% as individuals.
This taxonomy code does not map to a Medicare specialty code in the current crosswalk.
It is a Level III - Area of Specialization code in the NUCC Health Care Provider Taxonomy set. As an area of specialization, it falls under the Registered Nurse classification (parent code 163W00000X).
Use the "Providers by state" directory on this page to open the list of registered nurse nutrition support 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.
