Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Lynsey P Retzlaff, MSW, LCSW, SAC-IT

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1023760543

Lynsey P Retzlaff, MSW, LCSW, SAC-IT is an Addiction (Substance Use Disorder) Counselor in Waukesha, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2022.

Licensed in
WI
In the registry since
2022
Specialties on file
3
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

741 N Grand Ave Ste 302
Waukesha, WI 53186-4841
Phone: (262) 789-1191
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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 9335-123 (WI)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 18167-130 (WI)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1023760543
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW , SAC-IT
Sole proprietorNo
NPI enumeratedJanuary 25, 2022
Last updated in NPPESFebruary 25, 2022
Certification dateFebruary 25, 2022

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