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

Individual provider Clinical Psychologist · NPI 1255643037

Dr. Masami Ohnui, PSYD is a Clinical Psychologist in Guerneville, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 592
Guerneville, CA 95446-0592
Phone: (707) 799-5488
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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 PSY34946 (CA)

Record details

NPI number1255643037
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedJuly 8, 2010
Last updated in NPPESJuly 28, 2025
Certification dateJuly 28, 2025

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