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

Individual provider Clinical Psychologist · NPI 1073997292

Dr. Justine Byk, PSYD is a Clinical Psychologist in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2015
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

1738 Union St Ste 200
San Francisco, CA 94123-4441
Phone: (303) 506-2501
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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 PSY27255 (CA)

Record details

NPI number1073997292
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedJuly 17, 2015
Last updated in NPPESJuly 17, 2015

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