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

Tammy Steier, LCSW

Individual provider Clinical Social Worker · NPI 1245514801

Tammy Steier, LCSW is a Clinical Social Worker in Oshkosh, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2011.

Licensed in
WI
In the registry since
2011
Specialties on file
2
What do these letters mean?
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

220 Washington Ave
Oshkosh, WI 54901-5030
Phone: (920) 236-4700
Fax: (920) 236-1157
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 7937-123 (WI)
Clinical Social Worker Taxonomy 1041C0700X · Licence 7937 (WI)

Record details

NPI number1245514801
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedSeptember 30, 2011
Last updated in NPPESMarch 27, 2023
Certification dateMarch 27, 2023
Mailing address220 Washington Ave, Oshkosh, WI 54901-5030

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