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.
| Taxonomy code | 156FX1201X |
|---|---|
| Display name | Optometric Assistant Technician |
| Grouping | Eye and Vision Services Providers |
| Classification | Technician/Technologist |
| Specialization | Optometric Assistant |
| Section | Individual |
| Directory | Technician/Technologist provider directory |
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 2026-07-09.