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

Dr. John Lawrence Hessler, PHD

Individual provider Psychologist · NPI 1548306269

Dr. John Lawrence Hessler, PHD is a Psychologist in Chula Vista, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

815 3rd Ave 107
Chula Vista, CA 91911-1307
Phone: (619) 426-1555
Fax: (619) 426-1906
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY 9643 (CA)

Record details

NPI number1548306269
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 29, 2007
Last updated in NPPESJuly 9, 2007
Mailing address3329 2nd Ave, San Diego, CA 92103-5611

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