Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

THUY-TRANG NGUYEN O.D.
NPI 1154949899
Optometrist in Berkeley, CA

Q: What is Thuy-trang Nguyen's NPI number?

The NPI number for Thuy-trang Nguyen is 1154949899. It was assigned to this individual provider in the NPPES registry on July 9, 2020.

Q: What is Thuy-trang 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 Thuy-trang Nguyen was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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 July 09, 2020PECOS Enrolled

230 MINOR HALL, BERKELEY, CA 94720(510) 642-2020 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 7, 2026, Jul 9, 2020 (2 updates tracked since 2020).

On this page

About Thuy-trang Nguyen O.d. NPPES

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

THUY-TRANG NGUYEN O.D. (NPI 1154949899) is an individual optometrist in Berkeley, California, licensed in California (34550) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1154949899

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameTHUY-TRANG NGUYENCredential: O.D.

Location Address230 MINOR HALLBerkeley, CA 94720

Mailing Address230 Minor HallBerkeley, CA 94720

Phone(510) 642-2020

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateJuly 9, 2020

Last NPPES UpdateAugust 7, 20262 updates tracked since enumeration

NPPES CertifiedAugust 7, 2026

✔ NPI 1154949899 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 · 34550

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.

230 MINOR HALL, Berkeley, CA 94720

Open in Google Maps ↗

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

Thuy-trang 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 ID2365853140

PECOS Enrollment IDI20201130002105

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 94720 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

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 8

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

DR. GHAZAL NASERI OD

Optometrist (Corneal and Contact Management)

230 MINOR HALL
BERKELEY, CA 94720

Alameda County (510) 642-2020

REGENTS OF THE UNIVERSITY OF CALIFORNIA AT BERKELEY

Optometrist

230 MINOR HALL
BERKELEY, CA 94720

Alameda County (510) 642-0945

LINH LE

Optometrist

230 MINOR HALL
BERKELEY, CA 94720

Alameda County (510) 642-2020

MS. TERESA NGOC NGUYEN OD

Optometrist

230 MINOR HALL
BERKELEY, CA 94720

Alameda County (510) 642-2020

DR. VIKKI V. YU O.D.

Optometrist

230 MINOR HALL, UC BERKELEY SCHOOL OF OPTOMETRY
BERKELEY, CA 94720

Alameda County (510) 642-0945

CELIA R GONG OD

Optometrist

230 MINOR HALL
BERKELEY, CA 94720

Alameda County (510) 642-2020

DR. DENNIS WILLIAM FONG O.D.

Optometrist

230 MINOR HALL, UC BERKELEY SCHOOL OF OPTOMETRY
BERKELEY, CA 94720

Alameda County (510) 643-7965

DR. MENGLI HAN O.D.

Optometrist

230 MINOR HALL
BERKELEY, CA 94720

Alameda County (510) 642-2020

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 Thuy-trang Nguyen's NPI number?

The NPI number for Thuy-trang Nguyen is 1154949899. It was assigned to this individual provider in the NPPES registry on July 9, 2020.

Where is Thuy-trang Nguyen located?

Thuy-trang Nguyen practices at 230 Minor Hall, Berkeley, CA 94720. The listed phone number is (510) 642-2020.

What is Thuy-trang Nguyen's specialty?

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

Is Thuy-trang Nguyen enrolled in Medicare?

Yes. Thuy-trang 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 Thuy-trang Nguyen accept?

Health plans from Blue Cross and Blue Shield of Louisiana, 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 Thuy-trang 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 Thuy-trang Nguyen was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.