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CALVIN CHAN OD
NPI 1639067457
Optometrist in Los Angeles, CA

Active since June 27, 2025
833 S WESTERN AVE STE 2, LOS ANGELES, CA 90005(213) 384-1001 Get Directions Write a Review

NPPES record last updated: July 6, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 6, 2025, Jun 27, 2025 (2 updates tracked since 2025).

About Calvin Chan Od NPPES

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

CALVIN CHAN OD (NPI 1639067457) is an individual optometrist in Los Angeles, California, licensed in California (OPT35953-TLG) and active in the NPI registry since June 2025.

NPPES Registry Identity

NPI1639067457
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameCALVIN CHANCredential: OD
Location Address833 S WESTERN AVE STE 2Los Angeles, CA 90005-3376
Mailing Address408 W Hammel StMonterey Park, CA 91754-7132 · (626) 807-2268
Phone(213) 384-1001
Sole ProprietorNo
Enumeration DateJune 27, 2025
Last NPPES UpdateJuly 6, 20252 updates tracked since enumeration
NPPES CertifiedJuly 6, 2025
✔ NPI 1639067457 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 · OPT35953-TLG
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.
833 S WESTERN AVE STE 2, Los Angeles, CA 90005
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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 Calvin Chan's NPI number?

The NPI number for Calvin Chan is 1639067457. It was assigned to this individual provider in the NPPES registry on June 27, 2025.

Where is Calvin Chan located?

Calvin Chan practices at 833 S Western Ave Ste 2, Los Angeles, CA 90005. The listed phone number is (213) 384-1001.

What is Calvin Chan's specialty?

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

When was this NPI record last updated?

The NPPES record for Calvin Chan was last updated on July 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.