Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mrs. Michele Marie Mastalarz, MSW, LCSW

Individual provider Clinical Social Worker · NPI 1851668669

Mrs. Michele Marie Mastalarz, MSW, LCSW is a Clinical Social Worker in Milwaukee, Wisconsin. Qualified in 2010, 16 years ago. Practices with Columbia St Marys Hospital Milwaukee Inc, a 314-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
16
Licensed in
WI
In the registry since
2011
Specialties on file
2
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

207 E Buffalo St Ste 510
Milwaukee, WI 53202-5739 Not confirmed with CMS for 12 years — call before visiting
Phone: (262) 375-1116
Fax: (262) 375-1071
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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 8124-123 (WI)
Social Worker Taxonomy 104100000X · Licence 128508-121 (WI)

Record details

NPI number1851668669
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorNo
NPI enumeratedNovember 22, 2011
Last updated in NPPESMarch 29, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Columbia St Marys Hospital Milwaukee Inc — 314 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Columbia St Marys Hospital Milwaukee Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 314 clinicians in the practice; 12 are shown here.

Other providers in Milwaukee