Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Diana Nguyen, NP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1841966777

Diana Nguyen, NP is a Psychiatric/Mental Health Nurse Practitioner in Costa Mesa, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2021
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

1150 Baker St
Costa Mesa, CA 92626-4111
Phone: (714) 662-7517
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 95018050 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence NP95018050 (CA)

Record details

NPI number1841966777
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedAugust 20, 2021
Last updated in NPPESOctober 20, 2025
Certification dateOctober 20, 2025

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