DR. ETHAN S DIEP O.D.
NPI 1639467467
Optometrist in Chula Vista, CA

Q: What is Ethan Diep's NPI number?

The NPI number for Ethan Diep is 1639467467. It was assigned to this individual provider in the NPPES registry on July 14, 2011.

Q: What is Ethan Diep'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 Ethan Diep was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since July 14, 2011PECOS EnrolledAccepts Medicare Assignment

878 EASTLAKE PKWY STE 1011, CHULA VISTA, CA 91914(619) 216-4582(619) 216-4589 Get Directions Write a Review

NPPES record last updated: December 1, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 1, 2021, Nov 23, 2015 (2 updates tracked since 2015).

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About Dr. Ethan S Diep O.d. NPPES

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

DR. ETHAN S DIEP O.D. (NPI 1639467467) is an individual optometrist in Chula Vista, California, licensed in California (14173) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (2011).

NPPES Registry Identity

NPI1639467467

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameDR. ETHAN S DIEPCredential: O.D.

Location Address878 EASTLAKE PKWY STE 1011Chula Vista, CA 91914-4546

Mailing Address878 Eastlake Pkwy Ste 1011Chula Vista, CA 91914-4546 · (619) 216-4582 · Fax (619) 216-4589

Phone(619) 216-4582

Fax(619) 216-4589

Sole ProprietorYes

Medical School CMSSouthern California College Of OptometryGraduated 2011

Enumeration DateJuly 14, 2011

Last NPPES UpdateDecember 1, 20212 updates tracked since enumeration

NPPES CertifiedDecember 1, 2021

✔ NPI 1639467467 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 · 14173

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.

878 EASTLAKE PKWY STE 1011, Chula Vista, CA 91914

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ethan S Diep O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557638210

PECOS Enrollment IDI20170530002673

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 91914 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

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.

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 Ethan Diep's NPI number?

The NPI number for Ethan Diep is 1639467467. It was assigned to this individual provider in the NPPES registry on July 14, 2011.

Where is Ethan Diep located?

Ethan Diep practices at 878 Eastlake Pkwy Ste 1011, Chula Vista, CA 91914. The listed phone number is (619) 216-4582.

What is Ethan Diep's specialty?

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

Is Ethan Diep enrolled in Medicare?

Yes. Ethan Diep is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ethan Diep was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.