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

Stuart J Waltonen, PHD

Individual provider Psychologist · NPI 1821104357

Stuart J Waltonen, PHD is a Psychologist in Marshfield, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
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.

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Practice location Address checks out

1000 N Oak Ave
Marshfield, WI 54449
Phone: (715) 387-5366
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence 1315 (WI)
Psychologist Taxonomy 103T00000X · Licence 1315 (WI)

Record details

NPI number1821104357
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 21, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address1000 N Oak Ave, Marshfield, WI 54449-5777

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