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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.

KRISTINA NGUYEN
NPI 1093651119
Psychiatry & Neurology - Psychiatry in Riverside, CA

Active since April 29, 2026
9990 COUNTY FARM RD, RIVERSIDE, CA 92503(800) 499-3008 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 5, 2026, Apr 29, 2026 (2 updates tracked since 2026).

About Kristina Nguyen NPPES

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

KRISTINA NGUYEN (NPI 1093651119) is an individual psychiatry provider in Riverside, California, licensed in California (PTL21310) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1093651119
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameKRISTINA NGUYEN
Location Address9990 COUNTY FARM RDRiverside, CA 92503-3542
Mailing Address8852 Betelgeuse WaySan Diego, CA 92126-1406
Phone(800) 499-3008
Sole ProprietorNo
Enumeration DateApril 29, 2026
Last NPPES UpdateAugust 5, 20262 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
✔ NPI 1093651119 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 · PTL21310
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.
9990 COUNTY FARM RD, Riverside, CA 92503
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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.

MRS. DESIREE C NWIGWE APRN, PMHNP, PHN
Nurse Practitioner (Psychiatric/Mental Health)
9990 COUNTY FARM RD
RIVERSIDE, CA 92503
Riverside County (951) 358-4000
ANDREW MUSSELMAN
Peer Specialist
9990 COUNTY FARM RD, SUITE 6
RIVERSIDE, CA 92503
Riverside County (866) 481-5361
DR. DAVID ROBERT SEIGLER M.D.
Psychiatry & Neurology (Psychiatry)
9990 COUNTY FARM RD
RIVERSIDE, CA 92503
Riverside County (951) 358-4881
DR. TOKUNBO LABISI WILLIAMS M.D
Psychiatry & Neurology (Psychiatry)
9990 COUNTY FARM RD
RIVERSIDE, CA 92503
Riverside County (951) 358-4770
SARAH MATIGI PSYCHIATRIC NP
Nurse Practitioner (Psychiatric/Mental Health)
9990 COUNTY FARM RD
RIVERSIDE, CA 92503
Riverside County (951) 358-4881
ALISIA LASCANO-OROPEZA
Counselor (Mental Health)
9990 COUNTY FARM RD, SUITE 5
RIVERSIDE, CA 92503
Riverside County (951) 358-4834
MS. MEGHAN PATTERSON
Behavior Analyst
9990 COUNTY FARM RD
RIVERSIDE, CA 92503
Riverside County (951) 358-6922
MR. SAMUEL NECTALI MARTINEZ BSW
Counselor (Mental Health)
9990 COUNTY FARM RD, SUITE 5
RIVERSIDE, CA 92503
Riverside County (760) 238-8385

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 Kristina Nguyen's NPI number?

The NPI number for Kristina Nguyen is 1093651119. It was assigned to this individual provider in the NPPES registry on April 29, 2026.

Where is Kristina Nguyen located?

Kristina Nguyen practices at 9990 County Farm Rd, Riverside, CA 92503. The listed phone number is (800) 499-3008.

What is Kristina Nguyen's specialty?

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

When was this NPI record last updated?

The NPPES record for Kristina Nguyen was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.