NUCC taxonomy code

284300000X - Special Hospital

284300000X is the NUCC provider taxonomy code for Special Hospital (organizations). 866 providers in our latest NPPES snapshot list it as their primary taxonomy.

866 providers · primary taxonomy

Code breakdown

Taxonomy code 284300000X

Display name Special Hospital

Grouping Hospitals

Classification Special Hospital

Section Non-Individual

Directory Special Hospital provider directory

Definition

A designation by the AHA of a hospital whose primary function of the institution is to provide diagnostic and treatment services for patients who have specified medical conditions, both surgical and nonsurgical.

Definition from the NUCC Health Care Provider Taxonomy code set.

Related taxonomy codes

287300000X Christian Science Sanitorium 281P00000X Chronic Disease Hospital 281PC2000X Children's Chronic Disease Hospital (Chronic Disease Hospital) 282N00000X General Acute Care Hospital 282NC2000X Children's Hospital (General Acute Care Hospital) 282NC0060X Critical Access Hospital (General Acute Care Hospital) 282NR1301X Rural Acute Care Hospital (General Acute Care Hospital) 282NW0100X Women's Hospital (General Acute Care Hospital)

Frequently asked questions

What does taxonomy code 284300000X mean?

284300000X is the NUCC Health Care Provider Taxonomy code for Special Hospital in the "Hospitals" 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 284300000X?

Browse the Special Hospital directory, or use the NPI search and filter by state.

Source: CMS NPPES (public data). Snapshot 2026-07-13.