Mary Swiontoniowski, M.D.
NPI 1174596811 · Hospitalist Physician · Waukesha, WI
Mary Swiontoniowski, M.D. is a Hospitalist Physician provider in Waukesha, WI (NPI 1174596811).
Provider details
- NPI number
- 1174596811
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 46391-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-02-13
- Last updated
- 2011-11-08
Frequently asked questions
- What is Mary Swiontoniowski's NPI number?
- Mary Swiontoniowski's National Provider Identifier (NPI) is 1174596811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Swiontoniowski's specialty?
- Mary Swiontoniowski is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Swiontoniowski located?
- Mary Swiontoniowski's practice location on file with NPPES is 725 American Avenue, Waukesha, WI 53188.
- What is Mary Swiontoniowski's phone number?
- The practice phone number listed in the NPPES registry for Mary Swiontoniowski is (262) 928-5400.
- Is Mary Swiontoniowski's NPI active?
- Yes — Mary Swiontoniowski's NPI (1174596811) is active in the NPPES registry as of the last update on 2011-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.