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

OH JOO HWANG O.D.
NPI 1851016869
Optometrist in Torrance, CA

Q: What is Oh Joo Hwang's NPI number?

The NPI number for Oh Joo Hwang is 1851016869. It was assigned to this individual provider in the NPPES registry on October 11, 2022.

Q: What is Oh Joo Hwang'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 Oh Joo Hwang was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 October 11, 2022PECOS Enrolled

3440 LOMITA BLVD STE 100, TORRANCE, CA 90505(562) 317-3893(562) 206-2507 Get Directions Write a Review

NPPES record last updated: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 30, 2026, Oct 11, 2022 (2 updates tracked since 2022).

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About Oh Joo Hwang O.d. NPPES

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

OH JOO HWANG O.D. (NPI 1851016869) is an individual optometrist in Torrance, California, licensed in California (35338) and active in the NPI registry since October 2022. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1851016869

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameOH JOO HWANGCredential: O.D.

Location Address3440 LOMITA BLVD STE 100Torrance, CA 90505-4810

Mailing Address3816 Woodruff Ave Ste 100Long Beach, CA 90808-2145 · (562) 424-0931 · Fax (562) 492-9400

Phone(562) 317-3893

Fax(562) 206-2507

Sole ProprietorYes

Enumeration DateOctober 11, 2022

Last NPPES UpdateSeptember 30, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 30, 2026

✔ NPI 1851016869 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 · 35338

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.

3440 LOMITA BLVD STE 100, Torrance, CA 90505

Open in Google Maps ↗

Secondary Practice Locations 3

Location 1953 N Euclid StAnaheim, CA 92801-3633 · Phone (312) 477-1881

Location 21640 Newport Blvd Ste 220Costa Mesa, CA 92627-3786 · Phone (949) 873-5352 · Fax (949) 873-5394

Location 33816 Woodruff Ave Ste 100Long Beach, CA 90808-2145 · Phone (562) 424-0931 · Fax (562) 492-9400

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 (PECOS)

Oh Joo Hwang 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 90505 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.

RETINA INSTITUTE OF CALIFORNIA MEDICAL GROUP, A CALIFORNIA MEDICAL PAR

Optometrist

3440 LOMITA BLVD STE 100
TORRANCE, CA 90505

Los Angeles County (800) 898-2020

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 Oh Joo Hwang's NPI number?

The NPI number for Oh Joo Hwang is 1851016869. It was assigned to this individual provider in the NPPES registry on October 11, 2022.

Where is Oh Joo Hwang located?

Oh Joo Hwang practices at 3440 Lomita Blvd Ste 100, Torrance, CA 90505. The listed phone number is (562) 317-3893.

What is Oh Joo Hwang's specialty?

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

Is Oh Joo Hwang enrolled in Medicare?

Yes. Oh Joo Hwang is registered in the Medicare PECOS enrollment system.

What insurance does Oh Joo Hwang 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 list Oh Joo Hwang 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 Oh Joo Hwang was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.