310400000X — Assisted Living Facility

310400000X is the NUCC provider taxonomy code for Assisted Living Facility (organizations). 27,506 providers in our latest NPPES snapshot list it as their primary taxonomy.

Taxonomy code 310400000X
Display name Assisted Living Facility
Grouping Nursing & Custodial Care Facilities
Classification Assisted Living Facility
Section Non-Individual
Directory Assisted Living Facility provider directory

Definition

A facility providing supportive services to individuals who can function independently in most areas of activity, but need assistance and/or monitoring to assure safety and well being.

Definition from the NUCC Health Care Provider Taxonomy code set.

Related taxonomy codes

Frequently asked questions

What does taxonomy code 310400000X mean?
310400000X is the NUCC Health Care Provider Taxonomy code for Assisted Living Facility in the "Nursing & Custodial Care Facilities" grouping. It classifies organizations and non-individual providers.
Where is the taxonomy code used?
Providers select a taxonomy code when applying for an NPI, and it appears on insurance claims (CMS-1500 box 33b / 837 electronic claims) to identify the provider's classification. Payers may require the taxonomy that matches your credential and license.
How do I find providers with taxonomy 310400000X?
Browse the Assisted Living Facility directory, or use the NPI search and filter by state.

Source: CMS NPPES (public data). Snapshot 2026-07-09.