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

Dr. Thomas P. Brennan, PHD

Individual provider Clinical Psychologist · NPI 1720090731

Dr. Thomas P. Brennan, PHD is a Clinical Psychologist in Chicago, 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.

See every abbreviation used in this directory →

Practice location Address checks out

2500 W Farwell Ave
Chicago, IL 60645-4618
Phone: (773) 743-2466
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 number1720090731
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 12, 2006
Last updated in NPPESJuly 8, 2007
Mailing address2500 W Farwell Ave, Chicago, IL 60645-4618

Other providers in Chicago