Mary Ann Muzi, NP
Nurse Practitioner · Milwaukee, WI
Mary Ann Muzi, NP is a nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1356625263, issued on Oct 11, 2011. Check the license (Wisconsin 4629, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Muzi
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 4629 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2801 W Kinnickinnic River Pkwy, Milwaukee, WI 53215
- Phone
- (414) 384-5111
- Enumerated
- Oct 11, 2011
- Record last updated
- Oct 13, 2023
- Medicaid ID
- 100018019 WI
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 2801 W Kinnickinnic River Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Ann Muzi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 4629Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average nurse practitioner in 2024
26 Medicare Part D claims for 17 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Anastrozole12 claims
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.
Mary Ann Muzi among 3,995 nurse practitioner records in Wisconsin
Mary Ann Muzi, NP 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 2011, is newer than 31% of them.
- NPI issued2011 · 31% of these records are older, 65% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2023 · 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).
695 nurse practitioner records list a practice address in Milwaukee
They are 695 of the 18,389 NPPES records with a practice address in Milwaukee, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Milwaukee → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Theresa Becker, APRNMilwaukee, WI 532151295727295
- Emily Carman, NPMilwaukee, WI 532151619928090
- Kathleen Freeland, NPMilwaukee, WI 532151710094123
- Mary Keller, APNPMilwaukee, WI 532151992727259
- Therese Kern, NPMilwaukee, WI 532151831168616
- Amanda Kirby, APNPMilwaukee, WI 532151245288976
- Elizabeth Mattes, APNPMilwaukee, WI 532151205886173
- Wende Moline, APRN-BCMilwaukee, WI 532151457351355
Common questions
What is Mary Ann Muzi, NP's NPI number?
Mary Ann Muzi, NP's National Provider Identifier (NPI) is 1356625263, issued on Oct 11, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Muzi, NP located?
The NPPES record lists a practice address at 2801 W Kinnickinnic River Pkwy, Milwaukee, WI, 53215. Phone: (414) 384-5111. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Muzi, NP's license?
NPPES lists Wisconsin license number 4629, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Ann Muzi, NP prescribe under Medicare Part D?
In 2024, Mary Ann Muzi, NP had 26 Medicare Part D claims for 17 beneficiaries; 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.