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

Individual provider Clinical Social Worker · NPI 1861330565

Holly Mason, MSW, LCSW is a Clinical Social Worker in Appleton, Wisconsin. Practices as a sole proprietor. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2026
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

2800 E Enterprise Ave Ste 333
Appleton, WI 54913-7889
Phone: (414) 414-6117
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 9714-123 (WI)

Record details

NPI number1861330565
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorYes
NPI enumeratedMarch 23, 2026
Last updated in NPPESMay 28, 2026
Certification dateMay 28, 2026

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