Registered Nurse Case Management Taxonomy Code 163WC0400X

163WC0400X Level III - Area of Specialization
7,436Registered providers
26.0NUCC version
53States & territories
Definition

No official NUCC definition is published for this code.

Code Details for 163WC0400X

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

About Taxonomy Code 163WC0400X

The taxonomy code 163WC0400X identifies Registered Nurse Case Management 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 7,436 registered providers whose primary or secondary taxonomy is this code. Of these, 539 (7%) are registered as organizations and 6,897 (93%) as individual providers. The states with the most registered nurse case management providers are California (1,179), Texas (461), Florida (394).

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

7,436Total providers
539Organizations 7%
6,897Individuals 93%
6,284Female
587Male
26Undisclosed

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 7,436 providers

Registered Nurse Case Management Providers by State

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

Frequently Asked Questions

NPPES lists 7,436 registered providers with this taxonomy code (Registered Nurse Case Management).

Both. About 7% of these providers are registered as organizations and 93% 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 case management 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.