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

Spencer A Kostka

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1699563841

Spencer A Kostka is an Addiction (Substance Use Disorder) Counselor in Oshkosh, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2025.

Licensed in
WI
In the registry since
2025

Practice location Address checks out

220 Washington Ave
Oshkosh, WI 54901-5030
Phone: (920) 236-4700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 20547 (WI)

Record details

NPI number1699563841
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 28, 2025
Last updated in NPPESMarch 11, 2026
Certification dateMarch 11, 2026
Mailing address220 Washington Ave, Oshkosh, WI 54901-5030

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