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

Dr. Barbara Lyn Thomas, PHD

Individual provider Clinical Psychologist · NPI 1306932843

Dr. Barbara Lyn Thomas, PHD is a Clinical Psychologist in Oak Forest, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
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

15900 S Cicero Ave Oak Forest Hospital / Psychology Dept
Oak Forest, IL 60452
Phone: (708) 633-4462
Fax: (708) 633-3368
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X (IL)

Record details

NPI number1306932843
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 4, 2006
Last updated in NPPESSeptember 14, 2007
Mailing address15900 S. Cicero Ave., Oak Forest Hospital / Psychology Department, Oak Forest, IL 60452

Other providers in Oak Forest