NUCC taxonomy code

171W00000X - Contractor

171W00000X is the NUCC provider taxonomy code for Contractor (individual providers). 9,745 providers in our latest NPPES snapshot list it as their primary taxonomy.

9,745 providers · primary taxonomy

Code breakdown

Taxonomy code 171W00000X

Display name Contractor

Grouping Other Service Providers

Classification Contractor

Section Individual

Directory Contractor provider directory

Definition

For the purposes of the Health Care Provider Taxonomy, a contractor is limited to individuals who do construction or mechanical work to modify a patient's environment to accommodate a health condition. Contractors perform projects including, but not limited to, building wheelchair ramps, widening doorways, modifying personal vehicles, and making other improvements for patient access and movement. This code has no relation to a provider's employment status.

Definition from the NUCC Health Care Provider Taxonomy code set.

Related taxonomy codes

171WH0202X Home Modifications Contractor (Contractor) 171WV0202X Vehicle Modifications Contractor (Contractor) 171100000X Acupuncturist 171M00000X Case Manager/Care Coordinator 174V00000X Clinical Ethicist 172V00000X Community Health Worker 172A00000X Driver 176P00000X Funeral Director

Frequently asked questions

What does taxonomy code 171W00000X mean?

171W00000X is the NUCC Health Care Provider Taxonomy code for Contractor in the "Other Service Providers" grouping. It classifies 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 171W00000X?

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

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