163W00000X
Registered Nurse Gastroenterology Taxonomy Code 163WG0100X
163WG0100X
Level III - Area of Specialization
495Registered providers
25.1NUCC version
46States & territories
Definition
No official NUCC definition is published for this code.
Code Details for 163WG0100X
About Taxonomy Code 163WG0100X
The taxonomy code 163WG0100X identifies Registered Nurse Gastroenterology 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 495 registered providers whose primary or secondary taxonomy is this code. Of these, 12 (2%) are registered as organizations and 483 (98%) as individual providers. The states with the most registered nurse gastroenterology providers are California (74), Colorado (47), Michigan (31).
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
495Total providers
12Organizations 2%
483Individuals 98%
414Female
66Male
3Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-21T00:00:00.
View all 495 providersRegistered Nurse Gastroenterology Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
495
Alabama6Alaska4Arizona13Arkansas2California74Colorado47Connecticut3District Of Columbia1Florida24Georgia9Hawaii1Idaho19Illinois8Indiana7Iowa3Kansas11Kentucky7Louisiana1Maryland2Massachusetts12Michigan31Minnesota4Mississippi2Missouri8Nebraska8Nevada2New Jersey3New Mexico1New York13North Carolina8North Dakota6Ohio17Oklahoma2Oregon3Pennsylvania14Rhode Island2South Carolina8South Dakota4Tennessee7Texas25Utah1Virginia16Washington8West Virginia2Wisconsin4Wyoming1
Frequently Asked Questions
163WG0100X questionsNPPES lists 495 registered providers with this taxonomy code (Registered Nurse Gastroenterology).
Both. About 2% of these providers are registered as organizations and 98% 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 gastroenterology 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.
