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

William D Horton, PSYD

Individual provider Psychologist · NPI 1215205547

William D Horton, PSYD is a Psychologist in San Francisco, California. Licensed in California and Florida. Registered with an NPI since 2011.

Licensed in
CA, FL
In the registry since
2011
Specialties on file
2
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

580 California St Fl 12
San Francisco, CA 94104-1033
Phone: (941) 408-8551
Fax: (941) 408-8552
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY16088 (CA)
Psychologist Taxonomy 103T00000X · Licence LPY11 (FL)

Record details

NPI number1215205547
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedDecember 1, 2011
Last updated in NPPESJuly 18, 2024
Certification dateJuly 18, 2024

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