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

John William Allen, PSYD PC

Organization Health Maintenance Organization · NPI 1336379304

John William Allen, PSYD PC is a Health Maintenance Organization in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2009.

Licensed in
IL
In the registry since
2009
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

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

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Preferred Provider Organization (primary) Taxonomy 305R00000X · Licence 071-007404 (IL)
Health Maintenance Organization Taxonomy 302R00000X · Licence 071-007404 (IL)

Record details

NPI number1336379304
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Allen — Clinical Psychologist · (773) 478-2982
NPI enumeratedJuly 23, 2009
Last updated in NPPESJuly 23, 2009
Mailing address4055 W Peterson Ave, Ste. 201, Chicago, IL 60646-6182

Other providers in Chicago