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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LUCIA HAEYOON JOO
NPI 1578320636
Marriage & Family Therapist in Fullerton, CA

Active since March 04, 2024
1048 S BROOKHURST RD, FULLERTON, CA 92833(714) 449-1125 Get Directions Write a Review

NPPES record last updated: October 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 14, 2026, Mar 4, 2024 (2 updates tracked since 2024).

About Lucia Haeyoon Joo NPPES

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

LUCIA HAEYOON JOO (NPI 1578320636) is an individual marriage & family therapist in Fullerton, California, licensed in California (AMFT123275) and active in the NPI registry since March 2024.

NPPES Registry Identity

NPI1578320636
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameLUCIA HAEYOON JOO
Location Address1048 S BROOKHURST RDFullerton, CA 92833-3709
Mailing Address1048 S Brookhurst RdFullerton, CA 92833-3709 · (714) 449-1125
Phone(714) 449-1125
Sole ProprietorNo
Enumeration DateMarch 4, 2024
Last NPPES UpdateOctober 14, 20262 updates tracked since enumeration
NPPES CertifiedOctober 14, 2026
✔ NPI 1578320636 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · AMFT123275
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
1048 S BROOKHURST RD, Fullerton, CA 92833
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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

YUJIN PARK
Marriage & Family Therapist
1048 S BROOKHURST RD
FULLERTON, CA 92833
Orange County (714) 449-1125

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 Lucia Joo's NPI number?

The NPI number for Lucia Joo is 1578320636. It was assigned to this individual provider in the NPPES registry on March 4, 2024.

Where is Lucia Joo located?

Lucia Joo practices at 1048 S Brookhurst Rd, Fullerton, CA 92833. The listed phone number is (714) 449-1125.

What is Lucia Joo's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Lucia Joo was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.