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

Individual provider Psychologist · NPI 1255829727

Dr. Mark Stanley Jesinoski, PHD is a Psychologist in Oceanside, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2018
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

3355 Mission Ave Ste 111
Oceanside, CA 92058-1327
Phone: (760) 810-1440
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 26433 (CA)

Record details

NPI number1255829727
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 30, 2018
Last updated in NPPESApril 30, 2018

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