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

John Joseph Guerin, PHD

Individual provider Clinical Psychologist · NPI 1972931806

John Joseph Guerin, PHD is a Clinical Psychologist in Fort Washington, Pennsylvania. Licensed in New Jersey and Pennsylvania. Registered with an NPI since 2013.

Licensed in
NJ, PA
In the registry since
2013
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

426 Pennsylvania Ave Ste 115
Fort Washington, PA 19034-3410
Phone: (215) 628-8800
Fax: (215) 699-1554
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PS-004341-L (PA)
Clinical Psychologist Taxonomy 103TC0700X · Licence SI-00003704 (NJ)

Record details

NPI number1972931806
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedNovember 1, 2013
Last updated in NPPESNovember 1, 2013

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