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

Dr. Diane C Garrison, PHD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1427115716

Dr. Diane C Garrison, PHD is an Addiction (Substance Use Disorder) Psychologist in Pewaukee, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2007.

Licensed in
WI
In the registry since
2007
Specialties on file
3
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

325 Forest Grove Dr Ste 201
Pewaukee, WI 53072-3793
Phone: (262) 547-9673
Fax: (262) 549-5107
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 2274-057 (WI)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence 2274-057 (WI)
Psychologist Taxonomy 103T00000X · Licence 2274-057 (WI)

Record details

NPI number1427115716
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJanuary 3, 2007
Last updated in NPPESJuly 18, 2008
Mailing address27100 Waubeesee Lake Dr, C/O Kristy Laux, Wind Lake, WI 53185-2053