IRENE HWANG
NPI 1356046049
Optometrist in Ventura, CA

Active since April 03, 2023PECOS Enrolled
5250 RALSTON ST, VENTURA, CA 93003(805) 339-6400 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 3, 2025, Jul 4, 2023, Apr 3, 2023 (3 updates tracked since 2023).

About Irene Hwang NPPES

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

IRENE HWANG (NPI 1356046049) is an individual optometrist in Ventura, California, licensed in California (35456) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Los Angeles.

NPPES Registry Identity

NPI1356046049
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameIRENE HWANG
Location Address5250 RALSTON STVentura, CA 93003-7318
Mailing Address5250 Ralston StVentura, CA 93003-7318 · (805) 339-6400
Sole ProprietorNo
Enumeration DateApril 3, 2023
Last NPPES UpdateSeptember 3, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
NPI 1356046049 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License Licensed in CA · 35456
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.
5250 RALSTON ST, Ventura, CA 93003

Secondary Practice Location 1

Location 1351 E Temple StLos Angeles, CA 90012-3328 · Phone (213) 253-2677

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 (PECOS)

Irene Hwang 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 93003 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
$140.72 typical visit price
range $62.32 – $185.36
Typical copayment $35.18 (range $15.58 – $46.34)
Most-billed visit code 99204
Established Patient
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
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 20

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

Registered Nurse (Ambulatory Care)
5250 RALSTON ST
VENTURA, CA 93003
Clinic/Center (VA)
5250 RALSTON ST
VENTURA, CA 93003
Social Worker (Clinical)
5250 RALSTON ST
VENTURA, CA 93003
Social Worker
5250 RALSTON ST
VENTURA, CA 93003
Social Worker (Clinical)
5250 RALSTON ST
VENTURA, CA 93003
Social Worker (Clinical)
5250 RALSTON ST
VENTURA, CA 93003
Psychologist
5250 RALSTON ST
VENTURA, CA 93003
Social Worker (Clinical)
5250 RALSTON ST
VENTURA, CA 93003

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 Irene Hwang's NPI number?

The NPI number for Irene Hwang is 1356046049. It was assigned to this individual provider in the NPPES registry on April 3, 2023.

Where is Irene Hwang located?

Irene Hwang practices at 5250 Ralston St, Ventura, CA 93003. The listed phone number is (805) 339-6400.

What is Irene Hwang's specialty?

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

Is Irene Hwang enrolled in Medicare?

Yes. Irene Hwang is registered in the Medicare PECOS enrollment system.

What insurance does Irene Hwang accept?

Health plans from 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 Irene 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 Irene Hwang was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.