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

Krystianna Nguyen, PHD

Individual provider Clinical Psychologist · NPI 1922585793

Krystianna Nguyen, PHD is a Clinical Psychologist in Orange, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2018
Specialties on file
3
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

500 N State College Blvd Ste 1100
Orange, CA 92868-1625
Phone: (949) 866-3392
Show map & directions

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

Additional practice locations (1)

  • 4000 Macarthur Blvd Ste 600, Newport Beach, CA 92660-2517 — (714) 758-5912

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 33667 (CA)
Psychologist Taxonomy 103T00000X · Licence 33667 (CA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 33667 (CA)

Record details

NPI number1922585793
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 25, 2018
Last updated in NPPESMarch 13, 2026
Certification dateMarch 13, 2026

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