Tia Oestreich, LCSW, SAC-IT
NPI 1134611353 · Clinical Social Worker · Milwaukee, WI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tia Oestreich, LCSW, SAC-IT is a Clinical Social Worker provider in Milwaukee, WI (NPI 1134611353).
Provider details
- NPI number
- 1134611353
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW, SAC-IT
- Sex
- Female
- Sole proprietor
- No
- License
- 9328-123 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-04
- Last updated
- 2023-06-27
- Certified
- 2023-06-27
Frequently asked questions
- What is Tia Oestreich's NPI number?
- Tia Oestreich's National Provider Identifier (NPI) is 1134611353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tia Oestreich's specialty?
- Tia Oestreich is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Tia Oestreich located?
- Tia Oestreich's practice location on file with NPPES is 4570 S 27th St, Milwaukee, WI 53221-2145.
- What is Tia Oestreich's phone number?
- The practice phone number listed in the NPPES registry for Tia Oestreich is (414) 672-1353.
- Does Tia Oestreich accept Medicare?
- Tia Oestreich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tia Oestreich's NPI active?
- Yes — Tia Oestreich's NPI (1134611353) is active in the NPPES registry as of the last update on 2023-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.