IndividualActive
Mary Holzbauer, CSW
NPI 1447385133 · Clinical Social Worker · Niagara, WI
Mary Holzbauer, CSW is a Clinical Social Worker provider in Niagara, WI (NPI 1447385133).
Provider details
- NPI number
- 1447385133
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- CSW
- Sex
- Female
- Sole proprietor
- No
- License
- 3469120 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1201 Jackson St
Marinette County Health and Human Services
Niagara, WI 54151
Phone: (715) 732-7760
Fax: (715) 732-7711
Street-level locationGet directions
Mailing address
2500 Hall Ave
Marinette, WI 54143
Registry dates
- Enumerated
- 2007-02-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Holzbauer's NPI number?
- Mary Holzbauer's National Provider Identifier (NPI) is 1447385133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Holzbauer's specialty?
- Mary Holzbauer is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Holzbauer located?
- Mary Holzbauer's practice location on file with NPPES is 1201 Jackson St, Niagara, WI 54151.
- What is Mary Holzbauer's phone number?
- The practice phone number listed in the NPPES registry for Mary Holzbauer is (715) 732-7760.
- Is Mary Holzbauer's NPI active?
- Yes — Mary Holzbauer's NPI (1447385133) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.