WILLIAM TRANG
NPI 1740026079
Marriage & Family Therapist in Richmond, CA

Q: What is William Trang's NPI number?

The NPI number for William Trang is 1740026079. It was assigned to this individual provider in the NPPES registry on July 5, 2024.

Q: What is William Trang'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 William Trang was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since July 05, 2024

3919 MACDONALD AVE, RICHMOND, CA 94805(510) 233-7555(510) 233-4545 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About William Trang NPPES

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

WILLIAM TRANG (NPI 1740026079) is an individual marriage & family therapist in Richmond, California, licensed in California (158535) and active in the NPI registry since July 2024. He maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1740026079

Entity TypeIndividualMale

Primary Taxonomy106H00000X

Provider Legal NameWILLIAM TRANG

Location Address3919 MACDONALD AVERichmond, CA 94805-2229

Mailing Address3919 Macdonald AveRichmond, CA 94805-2229 · (510) 233-7555 · Fax (510) 233-4545

Phone(510) 233-7555

Fax(510) 233-4545

Sole ProprietorNo

Enumeration DateJuly 5, 2024

Last NPPES UpdateOctober 22, 2025

NPPES CertifiedOctober 22, 2025

✔ NPI 1740026079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

License✔ Licensed in CA · 158535

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3919 MACDONALD AVE, Richmond, CA 94805

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Secondary Practice Location 1

Location 11038 Post StSan Francisco, CA 94109-5603 · Phone (415) 775-2636

Other Providers at the Same Location NPPES 9

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

DR. LYNN M. HAUSRATH D.C.

Chiropractor