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

Dr. William A Dahlstrom, PSYD

Individual provider Clinical Psychologist · NPI 1043433212

Dr. William A Dahlstrom, PSYD is a Clinical Psychologist in San Luis Obispo, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

Highway 1 California Men's Colony
San Luis Obispo, CA 93409-4023
Phone: (805) 547-7900
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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 PSY25699 (CA)

Record details

NPI number1043433212
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedApril 10, 2007
Last updated in NPPESSeptember 29, 2022
Certification dateSeptember 22, 2022

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