THU THI NGUYEN O.D.
NPI 1326323627
Optometrist in San Diego, CA

Active since October 18, 2011PECOS EnrolledAccepts Medicare Assignment
4840 SHAWLINE ST, SAN DIEGO, CA 92111(858) 560-5742 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 21, 2026, Jan 8, 2025 (2 updates tracked since 2025).

About Thu Thi Nguyen O.d. NPPES

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

THU THI NGUYEN O.D. (NPI 1326323627) is an individual optometrist in San Diego, California, licensed in California (14274) and active in the NPI registry since October 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1326323627
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameTHU THI NGUYENCredential: O.D.
Location Address4840 SHAWLINE STSan Diego, CA 92111-1400
Mailing Address6126 Daisy PlSan Diego, CA 92114-6612
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateOctober 18, 2011
Last NPPES UpdateMay 21, 20262 updates tracked since enumeration
NPPES CertifiedMay 21, 2026
NPI 1326323627 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 · 14274
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.
4840 SHAWLINE ST, San Diego, CA 92111

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 and accepts Medicare assignment

Thu Thi 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 ID8820234669
PECOS Enrollment IDI20130424000550
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 92111 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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 11

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

Optometrist
4840 SHAWLINE ST
SAN DIEGO, CA 92111
Pharmacist
4840 SHAWLINE ST
SAN DIEGO, CA 92111
Optometrist
4840 SHAWLINE ST
SAN DIEGO, CA 92111
Pharmacy (Community/Retail Pharmacy)
4840 SHAWLINE ST
SAN DIEGO, CA 92111
Eyewear Supplier
4840 SHAWLINE ST
SAN DIEGO, CA 92111
Optometrist
4840 SHAWLINE ST
SAN DIEGO, CA 92111
Pharmacist
4840 SHAWLINE ST
SAN DIEGO, CA 92111
Pharmacist
4840 SHAWLINE ST
SAN DIEGO, CA 92111

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 Thu Nguyen's NPI number?

The NPI number for Thu Nguyen is 1326323627. It was assigned to this individual provider in the NPPES registry on October 18, 2011.

Where is Thu Nguyen located?

Thu Nguyen practices at 4840 Shawline St, San Diego, CA 92111. The listed phone number is (858) 560-5742.

What is Thu Nguyen's specialty?

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

Is Thu Nguyen enrolled in Medicare?

Yes. Thu 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 Thu Nguyen accept?

Health plans from Providence Health Plan list Thu 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 Thu Nguyen was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.