Marie Therese Ustruck, FNP
Nurse Practitioner · Brookfield, WI
Marie Therese Ustruck, FNP is a nurse practitioner with a practice address in Brookfield, Wisconsin, and NPI 1518441898, issued on Sep 21, 2018. Check the license (Wisconsin 8348-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marie Therese Ustruck
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 8348-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 16650 W Bluemound RD, Brookfield, WI 53005
- Phone
- (414) 777-3754
- Enumerated
- Sep 21, 2018
- Record last updated
- Sep 25, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 16650 W Bluemound RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marie Therese Ustruck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 8348-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average nurse practitioner in 2024
77 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Marie Therese Ustruck among 3,995 nurse practitioner records in Wisconsin
Marie Therese Ustruck, FNP is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 61% of them.
- NPI issued2018 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2018 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 nurse practitioner records list a practice address in Brookfield
They are 22 of the 2,036 NPPES records with a practice address in Brookfield, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Brookfield → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Britt Bilgrien, NPBrookfield, WI 530051356458608
- Allison Brochtrup, DNPBrookfield, WI 530051104405992
- Mary Burke, APNPBrookfield, WI 530051336112952
- Stephenie Duelge, APNP, FNP-BCBrookfield, WI 530051598177099
- Cassandra Edlund, AGNP-C, MSN, RNBrookfield, WI 530051497408314
- Jody Erickson, NPBrookfield, WI 530051659783314
- Scottie-Lynn Hecht, NPBrookfield, WI 530051154960201
- Jacquelyn Madson, NPBrookfield, WI 530051497352751
Common questions
What is Marie Therese Ustruck, FNP's NPI number?
Marie Therese Ustruck, FNP's National Provider Identifier (NPI) is 1518441898, issued on Sep 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Marie Therese Ustruck, FNP located?
The NPPES record lists a practice address at 16650 W Bluemound RD, Brookfield, WI, 53005. Phone: (414) 777-3754. Providers update this record themselves, so call before visiting.
How can I verify Marie Therese Ustruck, FNP's license?
NPPES lists Wisconsin license number 8348-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Marie Therese Ustruck, FNP prescribe under Medicare Part D?
In 2024, Marie Therese Ustruck, FNP had 77 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.