Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John (Jay) Richard Slosar, PHD

Individual provider Psychologist · NPI 1538225123

Dr. John (Jay) Richard Slosar, PHD is a Psychologist in Irvine, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

7 Corporate Park Ste 235
Irvine, CA 92606-5157
Phone: (949) 851-8277
Fax: (949) 852-0220
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY9158 (CA)

Record details

NPI number1538225123
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 28, 2006
Last updated in NPPESJuly 8, 2007

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