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

Roger C Gronau, PHD

Individual provider Psychologist · NPI 1992704225

Roger C Gronau, PHD is a Psychologist in Woodstock, Illinois. Licensed in Illinois and Wisconsin. Registered with an NPI since 2005.

Licensed in
IL, WI
In the registry since
2005
Specialties on file
2
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

527 W South St
Woodstock, IL 60098-3756
Phone: (815) 338-9199
Fax: (815) 338-9205
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X (IL)
Psychologist Taxonomy 103T00000X · Licence 1957-057 (WI)

Record details

NPI number1992704225
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 19, 2005
Last updated in NPPESJuly 8, 2007
Mailing address970 McHenry Ave, Crystal Lake, IL 60014-7449

Other providers in Woodstock