Mary Elizabeth Hammer, APRN
Adult Health Nurse Practitioner · Milwaukee, WI
Mary Elizabeth Hammer, APRN is an adult health nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1679597314, issued on Jul 26, 2006. Check the license (Wisconsin 1180-033, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth Hammer
- Credential
- APRN
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 1180-033 WI
Self-reported in NPPES; status is on the state search - Practice location
- 5000 W National Ave, Milwaukee, WI 53295
- Phone
- (414) 384-2000
- Enumerated
- Jul 26, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (414) 383-8010
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 398 in Wisconsin → Look up another NPI →
Also registered at 5000 W National Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Elizabeth Hammer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 1180-033Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
12 Medicare Part D claims, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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 Elizabeth Hammer among 398 adult health nurse practitioner records in Wisconsin
Mary Elizabeth Hammer, APRN is one of 398 adult health nurse practitioner records with a practice address in Wisconsin. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 80% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2023 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Wisconsin
There are 398 adult health nurse practitioner records in Wisconsin.
All 398 in Wisconsin → Every provider in Milwaukee → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Deborah Cales, APNPMilwaukee, WI 532951477570554
- Karen Franklin, MSNMilwaukee, WI 532951366458390
- Deborah Glime, APNPMilwaukee, WI 532951265713549
- Joseph Glowacki, R.N.Milwaukee, WI 532951326252644
- Lynn Hermanns, NPMilwaukee, WI 532951962496000
- Wendy Janssen, MS, ANPMilwaukee, WI 532951356347686
- Julie Jensen, RNMSNC-ANPAPNPMilwaukee, WI 532951760486625
- Patricia Kingsbery, ANPMilwaukee, WI 532951477575736
Common questions
What is Mary Elizabeth Hammer, APRN's NPI number?
Mary Elizabeth Hammer, APRN's National Provider Identifier (NPI) is 1679597314, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Hammer, APRN located?
The NPPES record lists a practice address at 5000 W National Ave, Milwaukee, WI, 53295. Phone: (414) 384-2000. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Hammer, APRN's license?
NPPES lists Wisconsin license number 1180-033, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Elizabeth Hammer, APRN prescribe under Medicare Part D?
In 2024, Mary Elizabeth Hammer, APRN had 12 Medicare Part D claims; the average among adult health nurse practitioner prescribers was 1,280. 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.