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

Individual provider Clinical Psychologist · NPI 1194093039

Dr. Ronn Johnson, PHD, ABPP is a Clinical Psychologist in Oceanside, California. Practices as a sole proprietor. Licensed in California, Massachusetts and New York.

Licensed in
CA, MA, NY
In the registry since
2011
Specialties on file
4
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

321 Cassidy St
Oceanside, CA 92054-5314
Phone: (760) 721-2171
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY11764 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 8969 (MA)
Forensic Psychologist Taxonomy 103TF0200X · Licence 010201 (NY)
Forensic Psychologist Taxonomy 103TF0200X · Licence PSY11764 (CA)

Record details

NPI number1194093039
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , ABPP
Sole proprietorYes
NPI enumeratedDecember 7, 2011
Last updated in NPPESSeptember 15, 2015
Mailing address321 Cassidy St, Oceanside, CA 92054-5314

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