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

Dr. Diane Stephenson, PHD

Individual provider Clinical Psychologist · NPI 1558415034

Dr. Diane Stephenson, PHD is a Clinical Psychologist in Oak Park, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
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

1101 Lake St Ste 405H
Oak Park, IL 60301-1071
Phone: (708) 524-9513
Fax: (630) 604-1115
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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 071004319 (IL)

Record details

NPI number1558415034
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJanuary 22, 2007
Last updated in NPPESMay 17, 2016
Mailing address930 Ontario St, Apt 3c, Oak Park, IL 60302-1938

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