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

John G Guinan, PHD

Individual provider Clinical Psychologist · NPI 1316431596

John G Guinan, PHD is a Clinical Psychologist in New York, New York. Graduated from Fordham University School of Medicine in 1974, 52 years ago. Licensed in New York.

Years since qualifying
52
Trained at
Fordham University School of Medicine
Licensed in
NY
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

80 Maiden Ln Rm 1003
New York, NY 10038-4761
Phone: (212) 509-2411
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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 004421 (NY)

Record details

NPI number1316431596
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 20, 2018
Last updated in NPPESJune 20, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolFORDHAM UNIVERSITY SCHOOL OF MEDICINE
Graduated 1974 (52 years in practice)
Accepts Medicare assignment Not indicated

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