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

MS. ADA YAT-NGA LEUNG LMFT
NPI 1811069388
Marriage & Family Therapist in Alhambra, CA

Q: What is Ada Leung's NPI number?

The NPI number for Ada Leung is 1811069388. It was assigned to this individual provider in the NPPES registry on November 14, 2006.

Q: What is Ada Leung's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ada Leung was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since November 14, 2006

PO BOX 203, ALHAMBRA, CA 91802(424) 247-6331 Get Directions Write a Review

NPPES record last updated: October 1, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Oct 1, 2026, Feb 17, 2023 (2 updates tracked since 2023).

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About Ms. Ada Yat-nga Leung Lmft NPPES

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

MS. ADA YAT-NGA LEUNG LMFT (NPI 1811069388) is an individual marriage & family therapist in Alhambra, California, licensed in California (LMFT164340) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1811069388

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameMS. ADA YAT-NGA LEUNGCredential: LMFT

Location AddressPO BOX 203Alhambra, CA 91802-0203

Mailing AddressPo Box 203Alhambra, CA 91802-0203 · (424) 247-6331

Phone(424) 247-6331

Sole ProprietorNo

Enumeration DateNovember 14, 2006

Last NPPES UpdateOctober 1, 20262 updates tracked since enumeration

NPPES CertifiedOctober 1, 2026

✔ NPI 1811069388 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 · LMFT164340

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.

PO BOX 203, Alhambra, CA 91802

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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 Ada Leung's NPI number?

The NPI number for Ada Leung is 1811069388. It was assigned to this individual provider in the NPPES registry on November 14, 2006.

Where is Ada Leung located?

Ada Leung practices at PO Box 203, Alhambra, CA 91802. The listed phone number is (424) 247-6331.

What is Ada Leung'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 Ada Leung was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.