SAN MARINO OPTOMETRY
NPI 1457895187
Optometrist in San Marino, CA

Q: What is Dr Toan A Nguyen Od Inc's NPI number?

The NPI number for Dr Toan A Nguyen Od Inc is 1457895187. It was assigned to this organization in the NPPES registry on December 14, 2016. The provider is doing business as San Marino Optometry.

Q: What is Dr Toan A Nguyen Od Inc's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Active since December 14, 2016

2154 HUNTINGTON DR, SAN MARINO, CA 91108(316) 990-1585 Get Directions Write a Review

NPPES record last updated: December 14, 2016. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About San Marino Optometry NPPES

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

SAN MARINO OPTOMETRY (NPI 1457895187) is a healthcare organization registered as an optometrist in San Marino, California and active in the NPI registry since December 2016. The organization lists Toan Nguyen, Owner, as its authorized official.

NPPES Registry Identity

NPI1457895187

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameDR TOAN A NGUYEN OD INC

Location Address2154 HUNTINGTON DRSan Marino, CA 91108-2024

Mailing Address13250 Don Julian RdLa Puente, CA 91746-2239

Phone(316) 990-1585

Organization SubpartNo

Authorized OfficialToan NguyenOwner · (316) 990-1585

Enumeration DateDecember 14, 2016

✔ NPI 1457895187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in CA · 33446

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

2154 HUNTINGTON DR, San Marino, CA 91108

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Other Names 1

Doing Business AsSan Marino Optometry

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

San Marino Optometry is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to San Marino Optometry, which bills Medicare for the services this clinician delivers.

Clinician (1)

Toan Nguyen, O.D.

Optometry

NPI 1609122308

2154 HUNTINGTON DR
San Marino, CA 91108

(316) 990-1585

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Dr Toan A Nguyen Od Inc's NPI number?

The NPI number for Dr Toan A Nguyen Od Inc is 1457895187. It was assigned to this organization in the NPPES registry on December 14, 2016. The provider is doing business as San Marino Optometry.

Where is Dr Toan A Nguyen Od Inc located?

Dr Toan A Nguyen Od Inc is located at 2154 Huntington Dr, San Marino, CA 91108. The listed phone number is (316) 990-1585.

What is Dr Toan A Nguyen Od Inc's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Dr Toan A Nguyen Od Inc enrolled in Medicare?

Yes. Dr Toan A Nguyen Od Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dr Toan A Nguyen Od Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Dr Toan A Nguyen Od Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Dr Toan A Nguyen Od Inc accept?

Health plans from Anthem Blue Cross and Blue Shield, 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 Dr Toan A Nguyen Od Inc 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 Dr Toan A Nguyen Od Inc was last updated on December 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.