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DR. LETHUY T NGUYEN O.D.
NPI 1033285689
Optometrist in Upland, CA

Active since November 27, 2006PECOS EnrolledAccepts Medicare Assignment
553 N MOUNTAIN AVE, UPLAND, CA 91786(909) 985-2876(909) 946-8585 Get Directions Write a Review

NPPES record last updated: March 17, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Lethuy T Nguyen O.d. NPPES

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

DR. LETHUY T NGUYEN O.D. (NPI 1033285689) is an individual optometrist in Upland, California, licensed in California (9953) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (1992).

NPPES Registry Identity

NPI1033285689
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. LETHUY T NGUYENCredential: O.D.
Location Address553 N MOUNTAIN AVEUpland, CA 91786-5016
Mailing Address553 N Mountain AveUpland, CA 91786-5016 · (909) 985-2876 · Fax (909) 946-8585
Phone(909) 985-2876
Fax(909) 946-8585
Sole ProprietorYes
Medical School CMSSouthern California College Of OptometryGraduated 1992
Enumeration DateNovember 27, 2006
Last NPPES UpdateMarch 17, 2014
✔ NPI 1033285689 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 · 9953
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.
553 N MOUNTAIN AVE, Upland, CA 91786
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Other Names 1

Professional Name (2)Tanya Nguyen O.d.

Other Identifiers 4

Medicare PINAU001YCA
Medicare PIN37341CA
Medicare UPIN37341CA
MedicaidSD0099530CA

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Lethuy T Nguyen O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830258409
PECOS Enrollment IDI20081111000783
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91786 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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.

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 Lethuy Nguyen's NPI number?

The NPI number for Lethuy Nguyen is 1033285689. It was assigned to this individual provider in the NPPES registry on November 27, 2006. The provider is also known as Tanya Nguyen O.D..

Where is Lethuy Nguyen located?

Lethuy Nguyen practices at 553 N Mountain Ave, Upland, CA 91786. The listed phone number is (909) 985-2876.

What is Lethuy Nguyen's specialty?

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

Is Lethuy Nguyen enrolled in Medicare?

Yes. Lethuy Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Lethuy Nguyen accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Lethuy 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 Lethuy Nguyen was last updated on March 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.