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JANET YOUNGEUN KO O.D.
NPI 1932575388
Optometrist in San Leandro, CA

Active since August 19, 2015
1598 WASHINGTON AVE, SAN LEANDRO, CA 94577(510) 895-2116(510) 895-9036 Get Directions Write a Review

NPPES record last updated: August 26, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Janet Youngeun Ko O.d. NPPES

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

JANET YOUNGEUN KO O.D. (NPI 1932575388) is an individual optometrist in San Leandro, California, licensed in California (15344) and active in the NPI registry since August 2015.

NPPES Registry Identity

NPI1932575388
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameJANET YOUNGEUN KOCredential: O.D.
Location Address1598 WASHINGTON AVESan Leandro, CA 94577-4465
Mailing Address1598 Washington AveSan Leandro, CA 94577-4465 · (510) 895-2116 · Fax (510) 895-9036
Phone(510) 895-2116
Fax(510) 895-9036
Sole ProprietorYes
Enumeration DateAugust 19, 2015
Last NPPES UpdateAugust 26, 2016
✔ NPI 1932575388 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 · 15344
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.
1598 WASHINGTON AVE, San Leandro, CA 94577
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

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.

DR. CHRIS JUNBUM PARK DDS
Dentist
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588
DR. YOUJIA MA FERDOWSIAN DDS
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588
MICHELLE MA
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (626) 485-8388
VIAN NGO
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588
SEOK WOO
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588
DR. YUEJIA XIU DDS
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (646) 361-4323
PEDRO MORALES DDS
Dentist
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588
JANICE MA DDS
Dentist (General Practice)
1598 WASHINGTON AVE
SAN LEANDRO, CA 94577
Alameda County (510) 545-4588

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 Janet Ko's NPI number?

The NPI number for Janet Ko is 1932575388. It was assigned to this individual provider in the NPPES registry on August 19, 2015.

Where is Janet Ko located?

Janet Ko practices at 1598 Washington Ave, San Leandro, CA 94577. The listed phone number is (510) 895-2116.

What is Janet Ko's specialty?

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

What insurance does Janet Ko accept?

Health plans from Providence Health Plan list Janet Ko 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 Janet Ko was last updated on August 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.