Orthoptist: NPI taxonomy code 156FX1900X
Taxonomy code 156FX1900X is Technician/Technologist: Orthoptist, in the Eye and Vision Services Providers group.
44 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 156FX1900X |
|---|---|
| Group | Eye and Vision Services Providers |
| Classification | Technician/Technologist |
| Specialization | Orthoptist |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 44 (40 individuals, 4 organizations) |
What NUCC says: An orthoptist is an allied health professional skilled in evaluation and treatment of children and adults with eye movement difficulties. Their specialty is strabismus, amblyopia, and double vision. (excerpt of the NUCC 26.1 definition)
Find Orthoptist providers
Search the registry for providers listing Orthoptist. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| Michigan | 7 | 15.9% |
| Florida | 4 | 9.1% |
| Texas | 3 | 6.8% |
| New York | 3 | 6.8% |
| Massachusetts | 3 | 6.8% |
| Minnesota | 3 | 6.8% |
| California | 3 | 6.8% |
| Idaho | 2 | 4.5% |
| Virginia | 2 | 4.5% |
| Illinois | 2 | 4.5% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- Optician 10,731
- Technician/Technologist 3,971
- Ophthalmic Technician/Technologist 342
- Ocularist 231
- Ophthalmic Assistant 157
- Optometric Technician 70
- Contact Lens Fitter 60
- Contact Lens Technician/Technologist 57
Specialty definitions are from the NUCC Health Care Provider Taxonomy (version 26.1). Which code to use on a claim depends on your NPPES record and your payer. See taxonomy codes explained.