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

Individual provider Psychologist · NPI 1427144419

Dr. Gary B Walls, PHD is a 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.

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Practice location Address checks out

30 N Michigan Ave #718
Chicago, IL 60602-3402
Phone: (312) 802-7261
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X (IL)

Record details

NPI number1427144419
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 5, 2006
Last updated in NPPESApril 19, 2008
Mailing address30 N Michigan Ave, 718, Chicago, IL 60602-3402

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