Case Management Taxonomy Code 251B00000X

251B00000X Level II - Classification
33,350Registered providers
25.1NUCC version
54States & territories
Definition

An organization that is responsible for providing case management services. The agency provides services which assist an individual in gaining access to needed medical, social, educational, and/or other services. Case management services may be used to locate, coordinate, and monitor necessary appropriate services. It may be used to encourage the use of cost-effective medical care by referrals to appropriate providers and to discourage over utilization of costly services. Case management may also serve to provide necessary coordination of non-medical services such as vocational rehabilitation, education, employment, when the services provided enable the individual to function at the highest level.

Code Details for 251B00000X

GroupingAgencies
ClassificationCase Management
Code levelLevel II - Classification
Last updatedJanuary 01, 2026
Notes / sourceSource: CMS State Medicaid Manual Section 4442.3 [7/1/2006: definition modified]

About Taxonomy Code 251B00000X

The taxonomy code 251B00000X identifies Case Management within the Agencies provider grouping. It is a Level II — Classification code, which names a provider's occupation or service within the broader provider grouping.

NPI records show 33,350 registered providers whose primary or secondary taxonomy is this code. Of these, 28,655 (86%) are registered as organizations and 4,695 (14%) as individual providers. The states with the most case management providers are Florida (2,978), Texas (2,900), California (2,896).

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

33,350Total providers
28,655Organizations 86%
4,695Individuals 14%
3,623Female
1,054Male
18Undisclosed

Among individual providers:

Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-28T00:00:00.

View all 33,350 providers

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 33,350 registered providers with this taxonomy code (Case Management).

Both. About 86% of these providers are registered as organizations and 14% as individuals.

This taxonomy code does not map to a Medicare specialty code in the current crosswalk.

It is a Level II - Classification code in the NUCC Health Care Provider Taxonomy set.

Use the "Providers by state" directory on this page to open the list of case management 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.