Agencies / 251C00000X
Non-Individual · classification
251C00000X Developmentally Disabled Services Day Training Agency
251C00000X is the taxonomy code for Day Training, Developmentally Disabled Services, in the NUCC group “Agencies”. It is a code for organizations — the kind used on a Type 2 NPI. It has no entry in the CMS Medicare taxonomy crosswalk.
- 1Taxonomy code 251C00000X
- 2Level Classification
- 3Medicare specialty Not in the crosswalk
- 4Codes in this group 15
Definition
These agencies are authorized to provide day habilitation services to developmentally disabled individuals who live in their homes. The function of day habilitation is to assist an individual to acquire and maintain those life skills that enable the individual to cope more effectively with the demands of independent living. Also to raise the level of the individual's physical, mental, social, and vocational functioning.
— NUCC Health Care Provider Taxonomy, version 26.1
Where 251C00000X sits
- Group: Agencies — code 3 of 15 in the group
- Classification: Day Training, Developmentally Disabled Services 251C00000X
Day Training, Developmentally Disabled Services has no specializations, so 251C00000X is the only code for it. A provider may report more than one taxonomy code on an NPI but marks one as primary.
Medicare
251C00000X has no entry in the CMS Medicare Provider and Supplier Taxonomy Crosswalk. That usually means Medicare does not enroll this kind of provider under its own specialty — organizations of this type enroll, if at all, under a facility or supplier type rather than a practitioner specialty.
Related codes
No other codes share the classification Day Training, Developmentally Disabled Services. The rest of Agencies is on the group page.
History of 251C00000X
NUCC's notes record no dated changes for 251C00000X. The code set is republished every January and July, when codes are added, retitled or marked inactive; this page reflects version 26.1, so check the NUCC site if you are reading it after the next release.
Similar codes in other groups
If 251C00000X is not quite right, these codes in other groups share a word with it — often the same field practised by a different kind of provider:
- 373H00000X Day Training/Habilitation Specialist (Nursing Service Related Providers)
- 225CX0006X Orientation and Mobility Training Rehabilitation Counselor (Respiratory, Developmental, Rehabilitative and Restorative Service Providers)
- 390200000X Student in an Organized Health Care Education/Training Program (Student, Health Care)
Find providers with 251C00000X
Using 251C00000X
The code goes in the taxonomy field of the NPI application in NPPES, and on claims where a payer asks for it — box 24J (shaded) or 33b on the CMS-1500 with the ZZ qualifier, or the PRV segment of an 837 electronic claim. Payers match it against the taxonomy on the NPI record and, for Medicare, against the specialty on the enrollment, so all three should agree. To see which code a provider uses, search their NPI in the lookup.
Sources: NUCC Health Care Provider Taxonomy code set, version 26.1 (CSV). Checked 2026-10-24. Methodology.