DR. TIM HUNG MINH NGUYEN O.D., M.P.H.
NPI 1972667079
Optometrist in Westminster, CA

Q: What is Tim Nguyen's NPI number?

The NPI number for Tim Nguyen is 1972667079. It was assigned to this individual provider in the NPPES registry on December 21, 2006.

Q: What is Tim Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Tim Nguyen was last updated on November 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since December 21, 2006PECOS Enrolled

7841 WESTMINSTER BLVD, WESTMINSTER, CA 92683(714) 893-4560(714) 893-0340 Get Directions Write a Review

NPPES record last updated: November 11, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Tim Hung Minh Nguyen O.d., M.p.h. NPPES

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

DR. TIM HUNG MINH NGUYEN O.D., M.P.H. (NPI 1972667079) is an individual optometrist in Westminster, California, licensed in California (12458T) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972667079

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameDR. TIM HUNG MINH NGUYENCredential: O.D., M.P.H.

Location Address7841 WESTMINSTER BLVDWestminster, CA 92683-4033

Mailing Address7841 Westminster BlvdWestminster, CA 92683-4033 · (714) 893-4560 · Fax (714) 893-0340

Phone(714) 893-4560

Fax(714) 893-0340

Sole ProprietorNo

Enumeration DateDecember 21, 2006

Last NPPES UpdateNovember 11, 2019

✔ NPI 1972667079 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 · 12458T

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.

7841 WESTMINSTER BLVD, Westminster, CA 92683

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Other Identifiers 1

MedicaidGSD004970CA

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, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tim Hung Minh Nguyen O.d., M.p.h. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Tim Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

United Eye Care Optometry, Inc.

Same address

Optometrist

7841 WESTMINSTER BLVD
Westminster, CA 92683

Reassigned Medicare billing, California enrollment

NPI 1033307889 (714) 893-4560

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92683 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

UNITED EYE CARE OPTOMETRY, INC.

Optometrist

7841 WESTMINSTER BLVD
WESTMINSTER, CA 92683

Orange County (714) 893-4560

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 Tim Nguyen's NPI number?

The NPI number for Tim Nguyen is 1972667079. It was assigned to this individual provider in the NPPES registry on December 21, 2006.

Where is Tim Nguyen located?

Tim Nguyen practices at 7841 Westminster Blvd, Westminster, CA 92683. The listed phone number is (714) 893-4560.

What is Tim Nguyen's specialty?

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

Is Tim Nguyen enrolled in Medicare?

Yes. Tim Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tim Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tim Nguyen reassigns Medicare benefits to United Eye Care Optometry, Inc. (Westminster, CA). The 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 Tim Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tim Nguyen 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 1 other insurer list Tim Nguyen 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 Tim Nguyen was last updated on November 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.