163W00000X
Registered Nurse Ambulatory Care Taxonomy Code 163WP2201X
163WP2201X
Level III - Area of Specialization
4,088Registered providers
26.0NUCC version
53States & territories
Definition
No official NUCC definition is published for this code.
Code Details for 163WP2201X
About Taxonomy Code 163WP2201X
The taxonomy code 163WP2201X identifies Registered Nurse Ambulatory Care 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 4,088 registered providers whose primary or secondary taxonomy is this code. Of these, 64 (2%) are registered as organizations and 4,024 (98%) as individual providers. The states with the most registered nurse ambulatory care providers are California (1,049), Ohio (194), Texas (194).
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
4,088Total providers
64Organizations 2%
4,024Individuals 98%
3,545Female
459Male
20Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-12T00:00:00.
View all 4,088 providersRegistered Nurse Ambulatory Care Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
4,088
Alabama30Alaska18American Samoa1Arizona102Arkansas14California1,049Colorado122Connecticut11Delaware5District Of Columbia12Florida97Georgia80Hawaii24Idaho29Illinois50Indiana66Iowa27Kansas60Kentucky25Louisiana11Maine6Maryland41Massachusetts186Michigan95Minnesota43Mississippi12Missouri70Montana21Nebraska34Nevada17New Hampshire6New Jersey23New Mexico107New York129North Carolina45North Dakota30Ohio194Oklahoma34Oregon67Pennsylvania55Puerto Rico27Rhode Island28South Carolina12South Dakota63Tennessee43Texas194Utah15Vermont4Virginia47Washington88West Virginia7Wisconsin48Wyoming18
Frequently Asked Questions
163WP2201X questionsNPPES lists 4,088 registered providers with this taxonomy code (Registered Nurse Ambulatory Care).
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 ambulatory care 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.
