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

LENA QUANG NGUYEN
NPI 1851970834
Peer Specialist in Placentia, CA

Active since April 06, 2021
701 W KIMBERLY AVE STE 120, PLACENTIA, CA 92870(714) 392-7881 Get Directions Write a Review

NPPES record last updated: September 5, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 5, 2026, Jun 6, 2025, Nov 17, 2023 and 3 more (6 updates tracked since 2021).

About Lena Quang Nguyen NPPES

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

LENA QUANG NGUYEN (NPI 1851970834) is an individual peer specialist in Placentia, California and active in the NPI registry since April 2021.

NPPES Registry Identity

NPI1851970834
Entity TypeIndividualFemale
Primary Taxonomy175T00000X
Provider Legal NameLENA QUANG NGUYEN
Location Address701 W KIMBERLY AVE STE 120Placentia, CA 92870-6345
Mailing Address25910 Acero Ste 160Mission Viejo, CA 92691-2777 · (714) 966-1120 · Fax (714) 428-3104
Phone(714) 392-7881
Sole ProprietorNo
Enumeration DateApril 6, 2021
Last NPPES UpdateSeptember 5, 20266 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2026
✔ NPI 1851970834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPeer SpecialistOther Service Providers
Taxonomy Code175T00000X
Definition
Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.
701 W KIMBERLY AVE STE 120, Placentia, CA 92870
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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.

DENISE LUJAN B.A. PSYCHOLOGY
Day Training/Habilitation Specialist
701 W KIMBERLY AVE STE 120
PLACENTIA, CA 92870
Orange County (877) 527-7227
KEVIN VIVAS
Day Training/Habilitation Specialist
701 W KIMBERLY AVE STE 120
PLACENTIA, CA 92870
Orange County (714) 793-7597
MISS LESLIE PEREZ
Day Training/Habilitation Specialist
701 W KIMBERLY AVE STE 120
PLACENTIA, CA 92870
Orange County (174) 308-0081
JOSHUA PATRICK STAFFORD
Day Training/Habilitation Specialist
701 W KIMBERLY AVE STE 120
PLACENTIA, CA 92870
Orange County (877) 527-7227
ERIKA MICHELLE BELTRAN
Social Worker (Clinical)
701 W KIMBERLY AVE STE 120
PLACENTIA, CA 92870
Orange County (714) 614-8538
MARIA GALLARDO
Day Training/Habilitation Specialist
701 W KIMBERLY AVE STE 120
PLACENTIA, CA 92870
Orange County (714) 702-6641
BRISA MENDOZA
Rehabilitation Practitioner
701 W KIMBERLY AVE STE 120
PLACENTIA, CA 92870
Orange County (877) 527-7227
JESSICA VERONICA GARCIA RIOS
Rehabilitation Practitioner
701 W KIMBERLY AVE STE 120
PLACENTIA, CA 92870
Orange County (714) 515-0859

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 Lena Nguyen's NPI number?

The NPI number for Lena Nguyen is 1851970834. It was assigned to this individual provider in the NPPES registry on April 6, 2021.

Where is Lena Nguyen located?

Lena Nguyen practices at 701 W Kimberly Ave Ste 120, Placentia, CA 92870. The listed phone number is (714) 392-7881.

What is Lena Nguyen's specialty?

The primary specialty registered for this NPI is Peer Specialist with taxonomy code 175T00000X.

When was this NPI record last updated?

The NPPES record for Lena Nguyen was last updated on September 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.