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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

THIEN TRAN
NPI 1588589667
Optometrist in Santa Ana, CA

Active since August 10, 2026
3929 S BRISTOL ST STE 202, SANTA ANA, CA 92704(714) 549-4343 Get Directions Write a Review

NPPES record added: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Thien Tran NPPES

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

THIEN TRAN (NPI 1588589667) is a healthcare organization registered as an optometrist in Santa Ana, California and active in the NPI registry since August 2026. The organization lists Thien T Tran, Owner, as its authorized official.

NPPES Registry Identity

NPI1588589667
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameTHIEN TRAN
Location Address3929 S BRISTOL ST STE 202Santa Ana, CA 92704-8100
Mailing Address3929 S Bristol St Ste 202Santa Ana, CA 92704-8100 · (714) 549-4343 · Fax (714) 549-7277
Phone(714) 549-4343
Organization SubpartNo
Authorized OfficialThien T TranOwner · (805) 797-2865
Enumeration DateAugust 10, 2026
NPPES CertifiedAugust 10, 2026
✔ NPI 1588589667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
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.
3929 S BRISTOL ST STE 202, Santa Ana, CA 92704
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

LINDY HANH HOANG O.D.
Optometrist
3929 S BRISTOL ST STE 202
SANTA ANA, CA 92704
Orange County (714) 549-4242
LINDY H HOANG OPTOMETRY, INC
Optometrist
3929 S BRISTOL ST STE 202
SANTA ANA, CA 92704
Orange County (714) 549-4343

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 Thien Tran's NPI number?

The NPI number for Thien Tran is 1588589667. It was assigned to this organization in the NPPES registry on August 10, 2026.

Where is Thien Tran located?

Thien Tran is located at 3929 S Bristol St Ste 202, Santa Ana, CA 92704. The listed phone number is (714) 549-4343.

What is Thien Tran's specialty?

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

When was this NPI record last updated?

The NPPES record for Thien Tran was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.