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

William Schaefer, PHD

Individual provider Psychologist · NPI 1740368364

William Schaefer, PHD is a Psychologist in Des Plaines, 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

484 Lee St
Des Plaines, IL 60016-4610
Phone: (630) 241-1495
Fax: (630) 241-1543
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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 number1740368364
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 1, 2006
Last updated in NPPESJuly 8, 2007
Mailing address484 Lee St, Des Plaines, IL 60016-4610

Other providers in Des Plaines