providerfile
Taxonomy 156FX1100X
TECHNICIAN/TECHNOLOGIST338 ON THE REGISTER547

Ophthalmic Technician/Technologist

338 active US providers register Ophthalmic Technician/Technologist as their primary taxonomy. That is 0.00% of every provider in the registry, and the 547th largest of 584 specialties with a page here.

Taxonomy code
156FX1100X
Grouping
Eye and Vision Services Providers
Classification
Technician/Technologist
Specialization
Ophthalmic
Active providers
338
States covered
40 of 51

What the code means

An ophthalmic technician/technologist assists ophthalmologists by performing ophthalmic clinical functions, including administering eye exams, administering eye medications, and instructing the patient in care and use of corrective lenses.

Definition quoted verbatim from the NUCC Health Care Provider Taxonomy code set, version 25.1. Not paraphrased.

Where they are

Counted by practice location, not by mailing address or by licence state. A provider practising across a state line is counted where they practise.

Showing the 15 largest of 40 states with at least one.

Who registers under this code

170 of these are people and 168 are organisations, so 50% of the code is businesses rather than clinicians. Half of them had registered by 2009, and 58 registered in the last five years, 17% of the current population.

That is close to the pace of the registry as a whole.

Where the practices are

By practice-location city. City counts are noisier than state counts, because a large employer files one address for many providers.

What else they list

Providers whose primary code is Ophthalmic Technician/Technologist most often carry these secondary taxonomies as well. This is the closest thing the registry has to a map of which specialties overlap in practice, and it is not published anywhere else.

Also listedProvidersShare
Optometrist113.3%
Optician82.4%
Eyewear Supplier51.5%
Contact Lens Fitter41.2%
Contact Lens Technician/Technologist41.2%
Ophthalmology Physician30.9%
Ophthalmic Assistant30.9%
Specialist30.9%

Nearby specialties

Other taxonomies NUCC files under Technician/Technologist.

Looking up a specific provider

These counts come from the monthly NPPES file. To check one provider, use their NPI: the lookup reads the live registry and shows whether the identifier is still active, which the monthly file cannot tell you about the last few weeks.

Counts from npidata_pfile_20050523-20260712.csv, built 2026-08-09. Primary taxonomy only, deactivated identifiers excluded.