LONG LY NGUYEN DO - NPI 1679223481 - Psychiatry & Neurology in Valencia, CA

Q: What is Long Nguyen's NPI number?

The NPI number for Long Nguyen is 1679223481. It was assigned to this individual provider in the NPPES registry on March 25, 2022.

Q: What is Long 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 Long Nguyen was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

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About Long Ly Nguyen Do NPPES

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

LONG LY NGUYEN DO (NPI 1679223481) is an individual psychiatry provider in Valencia, California, licensed in California (20A22045) and active in the NPI registry since March 2022. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1679223481

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameLONG LY NGUYENCredential: DO

Location Address23845 MCBEAN PKWYValencia, CA 91355-2083

Mailing Address4411 E Kings Canyon Rd # 319Fresno, CA 93702-3604 · (559) 600-2382

Phone(661) 200-2000

Sole ProprietorNo

Enumeration DateMarch 25, 2022

Last NPPES UpdateJuly 22, 20262 updates tracked since enumeration

NPPES CertifiedJuly 22, 2026

✔ NPI 1679223481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · 20A22045

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.

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

23845 MCBEAN PKWY, Valencia, CA 91355

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Secondary Practice Locations 2

Location 14411 E Kings Canyon Rd # 319Fresno, CA 93702-3604 · Phone (559) 600-2382

Location 223388 Mulholland DrWoodland Hills, CA 91364-2733 · Phone (818) 876-1050

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.

JOSEPH LEON GREENE RN

Registered Nurse (Emergency)