MELODY TAM NGUYEN OD INC
NPI 1174778518
Optometrist in Westminster, CA

Q: What is Melody Tam Nguyen Od Inc's NPI number?

The NPI number for Melody Tam Nguyen Od Inc is 1174778518. It was assigned to this organization in the NPPES registry on November 26, 2008.

Q: What is Melody Tam Nguyen Od Inc's specialty?

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

Active since November 26, 2008

9191 BOLSA AVE STE 116, WESTMINSTER, CA 92683(714) 892-4171(714) 891-3886 Get Directions Write a Review

NPPES record last updated: December 26, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Melody Tam Nguyen Od Inc NPPES

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

MELODY TAM NGUYEN OD INC (NPI 1174778518) is a healthcare organization registered as an optometrist in Westminster, California and active in the NPI registry since November 2008. The organization lists Melody Tam Nguyen, President, as its authorized official.

NPPES Registry Identity

NPI1174778518

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameMELODY TAM NGUYEN OD INC

Location Address9191 BOLSA AVE STE 116Westminster, CA 92683-5502

Mailing Address9191 Bolsa Ave Ste 116Westminster, CA 92683-5502 · (714) 892-4171 · Fax (714) 891-3886

Phone(714) 892-4171

Fax(714) 891-3886

Organization SubpartNo

Authorized OfficialMelody Tam NguyenPresident · (714) 892-4171

Enumeration DateNovember 26, 2008

Last NPPES UpdateDecember 26, 2018

✔ NPI 1174778518 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 · OPT 11086 TPA

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.

9191 BOLSA AVE STE 116, Westminster, CA 92683

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Other Identifiers 2

MedicaidSD 0110861CA

OtherCB853ACA · Medicare Ptan

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 Louisiana, Blue Cross and Blue Shield of Montana 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)

Melody Tam Nguyen Od Inc 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 Melody Tam Nguyen Od Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Tam Nguyen, O.D.

Optometry

NPI 1346366093

9191 BOLSA AVE 116
Westminster, CA 92683

(714) 235-3415

✔ PECOSSame 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 Melody Tam Nguyen Od Inc's NPI number?

The NPI number for Melody Tam Nguyen Od Inc is 1174778518. It was assigned to this organization in the NPPES registry on November 26, 2008.

Where is Melody Tam Nguyen Od Inc located?

Melody Tam Nguyen Od Inc is located at 9191 Bolsa Ave Ste 116, Westminster, CA 92683. The listed phone number is (714) 892-4171.

What is Melody Tam Nguyen Od Inc's specialty?

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

Is Melody Tam Nguyen Od Inc enrolled in Medicare?

Yes. Melody Tam Nguyen Od Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Melody Tam Nguyen Od Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Melody Tam 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 Melody Tam Nguyen Od Inc accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Melody Tam 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 Melody Tam Nguyen Od Inc was last updated on December 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.