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MR. DUNCAN YANG
NPI 1801072418
Technician/Technologist - Optician in Rowland Heights, CA

Active since January 14, 2008
1758 SIERRA LEONE AVE STE B, ROWLAND HEIGHTS, CA 91748(626) 913-2668(626) 913-2198 Get Directions Write a Review

NPPES record last updated: January 14, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Duncan Yang NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. DUNCAN YANG (NPI 1801072418) is an individual optician in Rowland Heights, California, licensed in (SL4297) and active in the NPI registry since January 2008.

NPPES Registry Identity

NPI1801072418
Entity TypeIndividualMale
Primary Taxonomy156FX1800X
Provider Legal NameMR. DUNCAN YANG
Location Address1758 SIERRA LEONE AVE STE BRowland Heights, CA 91748-5837
Mailing Address1758 Sierra Leone Ave Ste BRowland Heights, CA 91748-5837 · (626) 913-2668 · Fax (626) 913-2198
Phone(626) 913-2668
Fax(626) 913-2198
Sole ProprietorNo
Enumeration DateJanuary 14, 2008
✔ NPI 1801072418 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyTechnician/Technologist · OpticianEye and Vision Services Providers
Taxonomy Code156FX1800X
License✔ Licensed · SL4297
Definition
Opticians help fit eyeglasses and contact lenses, following prescriptions from Ophthalmologists and Optometrists. They also help customers decide which eyeglass frame or contact lenses to buy.
Also ListedTechnician/Technologist · Contact Lens FitterTaxonomy 156FC0801X · License CL1231 (CA)
1758 SIERRA LEONE AVE STE B, Rowland Heights, CA 91748
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Duncan Yang's NPI number?

The NPI number for Duncan Yang is 1801072418. It was assigned to this individual provider in the NPPES registry on January 14, 2008.

Where is Duncan Yang located?

Duncan Yang practices at 1758 Sierra Leone Ave Ste B, Rowland Heights, CA 91748. The listed phone number is (626) 913-2668.

What is Duncan Yang's specialty?

The primary specialty registered for this NPI is Technician/Technologist, specializing in Optician, with taxonomy code 156FX1800X.

What insurance does Duncan Yang accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BlueCross BlueShield of Tennessee list Duncan Yang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Duncan Yang was last updated on January 14, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.