IndividualActive
Mary Wiatrowski, MSW, LCSW
NPI 1457870644 · Social Worker · Oshkosh, WI
Mary Wiatrowski, MSW, LCSW is a Social Worker provider in Oshkosh, WI (NPI 1457870644).
Provider details
- NPI number
- 1457870644
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 4176-123 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(69/100 index)
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
404 N Main St Ste 612
Oshkosh, WI 54901-4953
Phone: (920) 385-1420
Fax: (866) 327-3295
Street-level locationGet directions
Mailing address
1020 W 5th Ave
Oshkosh, WI 54902-5728
Registry dates
- Enumerated
- 2017-09-19
- Last updated
- 2018-07-11
Frequently asked questions
- What is Mary Wiatrowski's NPI number?
- Mary Wiatrowski's National Provider Identifier (NPI) is 1457870644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Wiatrowski's specialty?
- Mary Wiatrowski is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Wiatrowski located?
- Mary Wiatrowski's practice location on file with NPPES is 404 N Main St Ste 612, Oshkosh, WI 54901-4953.
- What is Mary Wiatrowski's phone number?
- The practice phone number listed in the NPPES registry for Mary Wiatrowski is (920) 385-1420.
- Is Mary Wiatrowski's NPI active?
- Yes — Mary Wiatrowski's NPI (1457870644) is active in the NPPES registry as of the last update on 2018-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.