DIANA CAMTU NGUYEN O. D.
NPI 1649499229
Optometrist in Santa Ana, CA

Active since April 24, 2007PECOS Enrolled
903 S. BRISTOL ST. UNIT A, SANTA ANA, CA 92703(714) 200-4261 Get Directions Write a Review

NPPES record last updated: August 19, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 19, 2021, Jun 14, 2016 (2 updates tracked since 2016).

About Diana Camtu Nguyen O. D. NPPES

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

DIANA CAMTU NGUYEN O. D. (NPI 1649499229) is an individual optometrist in Santa Ana, California, licensed in California (OPT12457 TPL) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649499229
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDIANA CAMTU NGUYENCredential: O. D.
Location Address903 S. BRISTOL ST. UNIT ASanta Ana, CA 92703-2114
Mailing Address903 S Bristol St. Unit ASanta Ana, CA 92703-2114 · (714) 200-4261
Sole ProprietorYes
Enumeration DateApril 24, 2007
Last NPPES UpdateAugust 19, 20212 updates tracked since enumeration
NPPES CertifiedAugust 19, 2021
NPI 1649499229 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 · OPT12457 TPL
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.

903 S. BRISTOL ST. UNIT A, Santa Ana, CA 92703

Accepted 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)

Diana Camtu Nguyen O. D. 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 92703 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.

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 Diana Nguyen's NPI number?

The NPI number for Diana Nguyen is 1649499229. It was assigned to this individual provider in the NPPES registry on April 24, 2007.

Where is Diana Nguyen located?

Diana Nguyen practices at 903 S. Bristol St. Unit A, Santa Ana, CA 92703. The listed phone number is (714) 200-4261.

What is Diana Nguyen's specialty?

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

Is Diana Nguyen enrolled in Medicare?

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

What insurance does Diana 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 2 other insurers list Diana 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 Diana Nguyen was last updated on August 19, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.