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

Loretta N Markus

Individual provider Psychologist · NPI 1427495829

Loretta N Markus is a Psychologist in Appleton, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2013.

Licensed in
WI
In the registry since
2013
Specialties on file
2

Practice location Address checks out

4321 W College Ave Ste 200
Appleton, WI 54914-3968
Phone: (920) 916-0730
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 3907-57 (WI)
Psychologist Taxonomy 103T00000X

Record details

NPI number1427495829
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMay 28, 2013
Last updated in NPPESJanuary 29, 2023
Certification dateJanuary 29, 2023
Mailing address4321 W College Ave Ste 200, Appleton, WI 54914-3968

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