Marie Ustruck, FNP
NPI 1518441898 · Nurse Practitioner · Brookfield, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie Ustruck, FNP is a Nurse Practitioner provider in Brookfield, WI (NPI 1518441898).
Provider details
- NPI number
- 1518441898
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 8348-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- W180n8085 Town Hall RdMenomonee Falls, WI 53051-3518Phone: (262) 251-1000
Registry dates
- Enumerated
- 2018-09-21
- Last updated
- 2018-09-25
Frequently asked questions
- What is Marie Ustruck's NPI number?
- Marie Ustruck's National Provider Identifier (NPI) is 1518441898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Ustruck's specialty?
- Marie Ustruck is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marie Ustruck located?
- Marie Ustruck's practice location on file with NPPES is 16650 W Bluemound Rd, Brookfield, WI 53005-5920.
- What is Marie Ustruck's phone number?
- The practice phone number listed in the NPPES registry for Marie Ustruck is (414) 777-3754.
- Does Marie Ustruck accept Medicare?
- Marie Ustruck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie Ustruck's NPI active?
- Yes — Marie Ustruck's NPI (1518441898) is active in the NPPES registry as of the last update on 2018-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.