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MISS HELEN DUONG
NPI 1871773812
Marriage & Family Therapist in Daly City, CA

Active since November 07, 2007
355 GELLERT BLVD STE 280, DALY CITY, CA 94015(415) 623-4233 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Miss Helen Duong NPPES

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

MISS HELEN DUONG (NPI 1871773812) is an individual marriage & family therapist in Daly City, California and active in the NPI registry since November 2007.

NPPES Registry Identity

NPI1871773812
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMISS HELEN DUONG
Location Address355 GELLERT BLVD STE 280Daly City, CA 94015-2619
Mailing Address355 Gellert Blvd Ste 280Daly City, CA 94015-2619
Phone(415) 623-4233
Sole ProprietorNo
Enumeration DateNovember 7, 2007
Last NPPES UpdateJanuary 3, 2022
✔ NPI 1871773812 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
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.
355 GELLERT BLVD STE 280, Daly City, CA 94015
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Other Providers at the Same Location NPPES 5

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

VIVIAN SUSSELLE ESTEVEZ LMFT
Marriage & Family Therapist
355 GELLERT BLVD STE 280
DALY CITY, CA 94015
San Mateo County (650) 898-5423
WHITNEY RICHARDS MA, LMFT
Marriage & Family Therapist
355 GELLERT BLVD STE 280
DALY CITY, CA 94015
San Mateo County (415) 851-5125
LINDA HUYNH
Marriage & Family Therapist
355 GELLERT BLVD STE 280
DALY CITY, CA 94015
San Mateo County (650) 667-0784
MARIANNE C TROXELL LMFT & ASSOC. A MARRIAGE & FAMILY THERAPY CORP.
Health Maintenance Organization
355 GELLERT BLVD STE 280
DALY CITY, CA 94015
San Mateo County (650) 997-0551
CRYSTALLINE COUNSELING, A MARRIAGE & FAMILY THERAPY CORPORATION
Marriage & Family Therapist
355 GELLERT BLVD STE 280
DALY CITY, CA 94015
San Mateo County (650) 524-5099

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 Helen Duong's NPI number?

The NPI number for Helen Duong is 1871773812. It was assigned to this individual provider in the NPPES registry on November 7, 2007.

Where is Helen Duong located?

Helen Duong practices at 355 Gellert Blvd Ste 280, Daly City, CA 94015. The listed phone number is (415) 623-4233.

What is Helen Duong'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 Helen Duong was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.