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

Tia Joann Oestreich, LCSW, SAC-IT

Individual provider Clinical Social Worker · NPI 1134611353

Tia Joann Oestreich, LCSW, SAC-IT is a Clinical Social Worker in Milwaukee, Wisconsin. Qualified in 2017, 9 years ago. Practices with 16th Street Community Health Center Inc, a 84-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
9
Licensed in
WI
In the registry since
2018
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

4570 S 27th St
Milwaukee, WI 53221-2145
Phone: (414) 672-1353
Fax: (414) 672-4265
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 9328-123 (WI)

Record details

NPI number1134611353
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , SAC-IT
Sole proprietorNo
NPI enumeratedJune 4, 2018
Last updated in NPPESJune 27, 2023
Certification dateJune 27, 2023

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice 16th Street Community Health Center Inc. — 84 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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