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DR. CINDY NGUYEN OD
NPI 1811541097
Optometrist in Upland, CA

Active since July 26, 2019PECOS Enrolled
300 N EUCLID AVE STE A, UPLAND, CA 91786(909) 982-9002(909) 982-9912 Get Directions Write a Review

NPPES record last updated: April 3, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 3, 2025, Sep 16, 2020, Jul 26, 2019 (3 updates tracked since 2019).

About Dr. Cindy Nguyen Od NPPES

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

DR. CINDY NGUYEN OD (NPI 1811541097) is an individual optometrist in Upland, California, licensed in California (34641) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811541097
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. CINDY NGUYENCredential: OD
Location Address300 N EUCLID AVE STE AUpland, CA 91786-8323
Mailing Address300 N Euclid Ave Ste AUpland, CA 91786-8323
Phone(909) 982-9002
Fax(909) 982-9912
Sole ProprietorYes
Enumeration DateJuly 26, 2019
Last NPPES UpdateApril 3, 20253 updates tracked since enumeration
NPPES CertifiedApril 3, 2025
✔ NPI 1811541097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
Licenses✔ Licensed in CA · 34641✔ Licensed in IN · 18004178A
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.
300 N EUCLID AVE STE A, Upland, CA 91786
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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 ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Cindy Nguyen Od 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.

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.

Other Providers at the Same Location NPPES 2

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

DR. NANCY WANG O.D.
Optometrist
300 N EUCLID AVE STE A
UPLAND, CA 91786
San Bernardino County (909) 982-9002
DR. NANCY WANG, OD, INC.
Clinic/Center (Primary Care)
300 N EUCLID AVE STE A
UPLAND, CA 91786
San Bernardino County (909) 982-9002

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 Cindy Nguyen's NPI number?

The NPI number for Cindy Nguyen is 1811541097. It was assigned to this individual provider in the NPPES registry on July 26, 2019.

Where is Cindy Nguyen located?

Cindy Nguyen practices at 300 N Euclid Ave Ste A, Upland, CA 91786. The listed phone number is (909) 982-9002.

What is Cindy Nguyen's specialty?

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

Is Cindy Nguyen enrolled in Medicare?

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

What insurance does Cindy Nguyen accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Cindy 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 Cindy Nguyen was last updated on April 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.