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

Individual provider Psychologist · NPI 1144573171

Dr. Themis Yiaslas, PSYD is a Psychologist in Mather, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2012
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

10535 Hospital Way Bldg 649
Mather, CA 95655-4200
Phone: (916) 366-5420
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 25305 (CA)

Record details

NPI number1144573171
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedOctober 15, 2012
Last updated in NPPESOctober 15, 2012

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