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

Gregory S Cowan, PHD

Individual provider Clinical Psychologist · NPI 1235166828

Gregory S Cowan, PHD is a Clinical Psychologist in Wausau, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
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

425 Wind Ridge Dr
Wausau, WI 54401-4149
Phone: (715) 675-3391
Fax: (715) 675-5255
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 2343 (WI)

Record details

NPI number1235166828
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 27, 2006
Last updated in NPPESApril 27, 2009

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