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

Dr. John William Allen, PSYD

Individual provider Clinical Psychologist · NPI 1609044080

Dr. John William Allen, PSYD is a Clinical Psychologist in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2008
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

4055 W Peterson Ave Ste 201
Chicago, IL 60646-6182
Phone: (773) 478-2982
Fax: (773) 478-8105
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X (IL)

Record details

NPI number1609044080
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedFebruary 19, 2008
Last updated in NPPESFebruary 19, 2008
Mailing address4055 W Peterson Ave, Suite 201, Chicago, IL 60646-6182

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