DR. KRYSTAL DIEM TRANG NGUYEN O.D.
NPI 1073822359
Optometrist in Los Angeles, CA

Q: What is Krystal Nguyen's NPI number?

The NPI number for Krystal Nguyen is 1073822359. It was assigned to this individual provider in the NPPES registry on October 4, 2010.

Q: What is Krystal 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 Krystal Nguyen was last updated on July 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since October 04, 2010PECOS Enrolled

4281 W 3RD ST, LOS ANGELES, CA 90020(213) 383-0383(213) 383-3858 Get Directions Write a Review

NPPES record last updated: July 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Krystal Diem Trang Nguyen O.d. NPPES

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

DR. KRYSTAL DIEM TRANG NGUYEN O.D. (NPI 1073822359) is an individual optometrist in Los Angeles, California, licensed in California (14047) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073822359

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameDR. KRYSTAL DIEM TRANG NGUYENCredential: O.D.

Location Address4281 W 3RD STLos Angeles, CA 90020

Mailing Address4281 W 3rd StLos Angeles, CA 90020-3448 · (213) 383-0383 · Fax (213) 383-3858

Phone(213) 383-0383

Fax(213) 383-3858

Sole ProprietorYes

Enumeration DateOctober 4, 2010

Last NPPES UpdateJuly 25, 2025

NPPES CertifiedJuly 25, 2025

✔ NPI 1073822359 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 · 14047

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.

4281 W 3RD ST, Los Angeles, CA 90020

Open in Google Maps ↗

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. Krystal Diem Trang 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 90020 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.

Other Providers at the Same Location NPPES

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

SAMUEL KIM

Technician/Technologist (Optician)

4281 W 3RD ST
LOS ANGELES, CA 90020

Los Angeles County (213) 383-0383

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 Krystal Nguyen's NPI number?

The NPI number for Krystal Nguyen is 1073822359. It was assigned to this individual provider in the NPPES registry on October 4, 2010.

Where is Krystal Nguyen located?

Krystal Nguyen practices at 4281 W 3rd St, Los Angeles, CA 90020. The listed phone number is (213) 383-0383.

What is Krystal Nguyen's specialty?

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

Is Krystal Nguyen enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Krystal Nguyen was last updated on July 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.