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
Mailing address426 Pennsylvania Ave, Suite 115, Fort Washington, PA 19034-3410

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