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

Individual provider Clinical Psychologist · NPI 1639961964

Justine Duyst, PSYD is a Clinical Psychologist in Pasadena, California. Licensed in California. Registered with an NPI since 2025.

Licensed in
CA
In the registry since
2025
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

416 Santa Paula Ave
Pasadena, CA 91107-2931
Phone: (559) 991-5750
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY35549 (CA)

Record details

NPI number1639961964
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedMay 21, 2025
Last updated in NPPESMay 21, 2025
Certification dateMay 21, 2025

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