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DR. IRENE DIEP OD
NPI 1194915272
Optometrist in Los Angeles, CA

Active since July 26, 2007PECOS Enrolled
1001 S BROADWAY STE F, LOS ANGELES, CA 90015(213) 749-9966(213) 277-5865 Get Directions Write a Review

NPPES record last updated: August 1, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Irene Diep Od NPPES

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

DR. IRENE DIEP OD (NPI 1194915272) is an individual optometrist in Los Angeles, California, licensed in California (13166T) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194915272
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. IRENE DIEPCredential: OD
Location Address1001 S BROADWAY STE FLos Angeles, CA 90015
Mailing Address1001 S Broadway Ste FLos Angeles, CA 90015-4034 · (213) 749-9966 · Fax (213) 277-5865
Phone(213) 749-9966
Fax(213) 277-5865
Sole ProprietorYes
Enumeration DateJuly 26, 2007
Last NPPES UpdateAugust 1, 2018
✔ NPI 1194915272 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 · 13166T
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.
1001 S BROADWAY STE F, Los Angeles, CA 90015
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross Blue Shield of Wyoming, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Irene Diep Od 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.

Medicare Billing Reassignment

Medicare enrollment records show Irene Diep reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Eye Geeks Doctors Of Optometry
Same address
Optometrist
1001 S BROADWAY STE F
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
NPI 1487194916 (323) 736-2478

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90015 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.

EYE GEEKS DOCTORS OF OPTOMETRY
Optometrist
1001 S BROADWAY STE F
LOS ANGELES, CA 90015
Los Angeles County (323) 736-2478

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 Diep's NPI number?

The NPI number for Irene Diep is 1194915272. It was assigned to this individual provider in the NPPES registry on July 26, 2007.

Where is Irene Diep located?

Irene Diep practices at 1001 S Broadway Ste F, Los Angeles, CA 90015. The listed phone number is (213) 749-9966.

What is Irene Diep's specialty?

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

Is Irene Diep enrolled in Medicare?

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

Which organization bills Medicare for Irene Diep's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Irene Diep reassigns Medicare benefits to Eye Geeks Doctors Of Optometry (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Irene Diep's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Irene Diep accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Providence Health Plan list Irene Diep 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 Diep was last updated on August 1, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.