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JEFFREY KUAN-YU KO LCSW
NPI 1699037663
Social Worker - Clinical in Los Angeles, CA

Active since June 14, 2012
4221 WILSHIRE BLVD STE 230, LOS ANGELES, CA 90010(213) 441-6780 Get Directions Write a Review

NPPES record last updated: September 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 30, 2021, Sep 23, 2021, Sep 9, 2021 and 1 more (4 updates tracked since 2020).

About Jeffrey Kuan-yu Ko Lcsw NPPES

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

JEFFREY KUAN-YU KO LCSW (NPI 1699037663) is an individual clinical provider in Los Angeles, California, licensed in California (120747) and active in the NPI registry since June 2012.

NPPES Registry Identity

NPI1699037663
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameJEFFREY KUAN-YU KOCredential: LCSW
Location Address4221 WILSHIRE BLVD STE 230Los Angeles, CA 90010-3554
Mailing Address4221 Wilshire Blvd Ste 230Los Angeles, CA 90010-3554 · (213) 441-6780
Phone(213) 441-6780
Sole ProprietorNo
Enumeration DateJune 14, 2012
Last NPPES UpdateSeptember 24, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2025
✔ NPI 1699037663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 120747
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
4221 WILSHIRE BLVD STE 230, Los Angeles, CA 90010
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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.

MARC KAWANAGA
Counselor (Mental Health)
4221 WILSHIRE BLVD STE 230
LOS ANGELES, CA 90010
Los Angeles County (213) 505-4307
HARLEE JEAN HALL
Counselor
4221 WILSHIRE BLVD STE 230
LOS ANGELES, CA 90010
Los Angeles County (213) 505-4307
NADIA MORENO
Social Worker (Clinical)
4221 WILSHIRE BLVD STE 230
LOS ANGELES, CA 90010
Los Angeles County (213) 505-4307
ZACHARIAH C HAMMERS APCC
Counselor (Mental Health)
4221 WILSHIRE BLVD STE 230
LOS ANGELES, CA 90010
Los Angeles County (213) 505-4307
DAVID HIRSCH AMFT
Marriage & Family Therapist
4221 WILSHIRE BLVD STE 230
LOS ANGELES, CA 90010
Los Angeles County (213) 505-4307
LAURA KATER AMFT
Marriage & Family Therapist
4221 WILSHIRE BLVD STE 230
LOS ANGELES, CA 90010
Los Angeles County (213) 441-6780
TARA HOPKINS AMFT/APCC
Counselor (Mental Health)
4221 WILSHIRE BLVD STE 230
LOS ANGELES, CA 90010
Los Angeles County (213) 505-4307
YANXIN ZHAO
Marriage & Family Therapist
4221 WILSHIRE BLVD STE 230
LOS ANGELES, CA 90010
Los Angeles County (213) 441-6780

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 Jeffrey Ko's NPI number?

The NPI number for Jeffrey Ko is 1699037663. It was assigned to this individual provider in the NPPES registry on June 14, 2012.

Where is Jeffrey Ko located?

Jeffrey Ko practices at 4221 Wilshire Blvd Ste 230, Los Angeles, CA 90010. The listed phone number is (213) 441-6780.

What is Jeffrey Ko's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Jeffrey Ko was last updated on September 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.