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

STEVEN MAU NGUYEN MD
NPI 1942984299
Psychiatry & Neurology - Psychiatry in Torrance, CA

Q: What is Steven Nguyen's NPI number?

The NPI number for Steven Nguyen is 1942984299. It was assigned to this individual provider in the NPPES registry on June 14, 2023.

Q: What is Steven Nguyen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Steven Nguyen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 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 June 14, 2023

21810 NORMANDIE AVE, TORRANCE, CA 90502(424) 492-3300 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Jul 1, 2024, Jun 14, 2023 (3 updates tracked since 2023).

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About Steven Mau Nguyen Md NPPES

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

STEVEN MAU NGUYEN MD (NPI 1942984299) is an individual psychiatry provider in Torrance, California, licensed in California (201955) and active in the NPI registry since June 2023. He maintains a secondary practice location in Moreno Valley.

NPPES Registry Identity

NPI1942984299

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameSTEVEN MAU NGUYENCredential: MD

Location Address21810 NORMANDIE AVETorrance, CA 90502-2047

Mailing Address21810 Normandie AveTorrance, CA 90502-2047 · (424) 492-3300

Phone(424) 492-3300

Sole ProprietorNo

Enumeration DateJune 14, 2023

Last NPPES UpdateJuly 13, 20263 updates tracked since enumeration

NPPES CertifiedJuly 13, 2026

✔ NPI 1942984299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · 201955

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

21810 NORMANDIE AVE, Torrance, CA 90502

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Secondary Practice Location 1

Location 126520 Cactus AveMoreno Valley, CA 92555-3927 · Phone (951) 486-4000

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.

MS. TAMMY LOVE LMFT

Marriage & Family Therapist