156F00000X
Technician/Technologist Orthoptist Taxonomy Code 156FX1900X
156FX1900X
Level III - Area of Specialization
66Registered providers
26.0NUCC version
28States & territories
Definition
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.
Code Details for 156FX1900X
About Taxonomy Code 156FX1900X
The taxonomy code 156FX1900X identifies Technician/Technologist Orthoptist within the Eye And Vision Services Providers provider grouping. It is a Level III — Area of Specialization code, the most specific tier: it narrows the parent classification to a defined subspecialty.
NPI records show 66 registered providers whose primary or secondary taxonomy is this code. Of these, 13 (20%) are registered as organizations and 53 (80%) as individual providers. The states with the most technician/technologist orthoptist providers are Texas (8), Michigan (6), California (6).
Taxonomy codes are self-selected by the provider based on their education and training; they describe the provider's type and specialty, not the specific services rendered.
Provider Composition & Statistics
66Total providers
13Organizations 20%
53Individuals 80%
41Female
12Male
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-26T00:00:00.
View all 66 providersTechnician/Technologist Orthoptist Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
66
Arizona1California6Colorado1Connecticut1District Of Columbia1Florida4Georgia3Idaho2Illinois2Maryland1Massachusetts3Michigan6Minnesota3Mississippi1Missouri1Nebraska1New York4North Carolina2Ohio1Oklahoma1Oregon1Pennsylvania1Puerto Rico3Tennessee1Texas8Virginia2Washington1Wisconsin2
Frequently Asked Questions
156FX1900X questionsNPPES lists 66 registered providers with this taxonomy code (Technician/Technologist Orthoptist).
Both. About 20% of these providers are registered as organizations and 80% as individuals.
This taxonomy code does not map to a Medicare specialty code in the current crosswalk.
It is a Level III - Area of Specialization code in the NUCC Health Care Provider Taxonomy set. As an area of specialization, it falls under the Technician/Technologist classification (parent code 156F00000X).
Use the "Providers by state" directory on this page to open the list of technician/technologist orthoptist providers registered in any U.S. state.
Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 26.0. Provider counts from NPPES. See nucc.org.
