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

William Osterweis Selig, PSYD

Individual provider Clinical Psychologist · NPI 1376994301

William Osterweis Selig, PSYD is a Clinical Psychologist in Berkeley, California. Licensed in California. Registered with an NPI since 2016.

Licensed in
CA
In the registry since
2016
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

1010 Grayson St Ste 3
Berkeley, CA 94710-2611
Phone: (650) 503-8179
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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 PSY27420 (CA)

Record details

NPI number1376994301
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedJune 30, 2016
Last updated in NPPESJune 1, 2023
Certification dateJune 1, 2023
Mailing address1010 Grayson St Ste 3, Berkeley, CA 94710-2611

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