NUCC taxonomy code
156FX1201X - Optometric Assistant Technician
156FX1201X is the NUCC provider taxonomy code for Optometric Assistant Technician, a specialization within Technician/Technologist (individual providers). 48 providers in our latest NPPES snapshot list it as their primary taxonomy.
48
providers · primary taxonomy
Code breakdown
Taxonomy code 156FX1201X
Display name Optometric Assistant Technician
Grouping Eye and Vision Services Providers
Classification Technician/Technologist
Specialization Optometric Assistant
Section Individual
Definition
An optometric assistant assists optometrists by performing duties, including but not limited to, customer service, basic eye testing, and patient education.
Definition from the NUCC Health Care Provider Taxonomy code set.
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Related taxonomy codes
156F00000X Technician/Technologist 156FC0800X Contact Lens Technician/Technologist (Technician/Technologist) 156FC0801X Contact Lens Fitter (Technician/Technologist) 156FX1700X Ocularist (Technician/Technologist) 156FX1100X Ophthalmic Technician/Technologist (Technician/Technologist) 156FX1101X Ophthalmic Assistant (Technician/Technologist) 156FX1800X Optician (Technician/Technologist) 156FX1202X Optometric Technician (Technician/Technologist)
Frequently asked questions
What does taxonomy code 156FX1201X mean?
156FX1201X is the NUCC Health Care Provider Taxonomy code for Optometric Assistant Technician, a specialization of Technician/Technologist in the "Eye and Vision Services 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 156FX1201X?
Browse the Technician/Technologist directory, or use the NPI search and filter by state.
Source: CMS NPPES (public data). Snapshot 2026-07-13.