Registered Nurse Nephrology Taxonomy Code 163WN0300X

163WN0300X Level III - Area of Specialization
205Registered providers
26.0NUCC version
38States & territories
Definition

No official NUCC definition is published for this code.

Code Details for 163WN0300X

ClassificationRegistered Nurse
SpecializationNephrology
Code levelLevel III - Area of Specialization
Last updatedJuly 01, 2026

About Taxonomy Code 163WN0300X

The taxonomy code 163WN0300X identifies Registered Nurse Nephrology 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 205 registered providers whose primary or secondary taxonomy is this code. Of these, 13 (6%) are registered as organizations and 192 (94%) as individual providers. The states with the most registered nurse nephrology providers are Texas (20), California (12), New York (11).

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

205Total providers
13Organizations 6%
192Individuals 94%
158Female
34Male

Among individual providers:

Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-12T00:00:00.

View all 205 providers

Registered Nurse Nephrology Providers by State

Provider counts by U.S. state and territory. Select a state to open its provider directory.

Frequently Asked Questions

NPPES lists 205 registered providers with this taxonomy code (Registered Nurse Nephrology).

Both. About 6% of these providers are registered as organizations and 94% 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 nephrology 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.