Tracy P. Lemmer, FNP
Nurse Practitioner · Milwaukee, WI
Tracy P. Lemmer, FNP is a nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1851774772, issued on Jul 9, 2015. Check the license (Wisconsin 6448, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tracy P. Lemmer
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 6448 WI
Self-reported in NPPES; status is on the state search - Practice location
- 5818 W Capitol Dr, Milwaukee, WI 53216
- Phone
- (414) 449-2114
- Enumerated
- Jul 9, 2015
- Record last updated
- Dec 1, 2025
- Fax
- (414) 449-9299
- Medicaid ID
- 100046472 WI
- Medicare enrollment
- Enrolled (PECOS I20150819008885); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 5818 W Capitol Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paul Maes, DOFamily Medicine Physician1881701340
- Tynisha McWright, NPNurse Practitioner1346700820
Verify Tracy P. Lemmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6448Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average nurse practitioner in 2024
548 Medicare Part D claims for 67 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium61 claims
- Amlodipine Besylate42 claims
- Losartan Potassium38 claims
- Albuterol Sulfate Hfa29 claims
- Metformin Hcl Er23 claims
- Simvastatin20 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.
Bills Medicare through 2 group practices
- Aurora Advanced Healthcare, Inc.Wauwatosa, WI
- The Medical College OF Wisconsin IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tracy P. Lemmer among 3,995 nurse practitioner records in Wisconsin
Tracy P. Lemmer, 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 2015, is newer than 46% of them.
- NPI issued2015 · 46% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 2017 among the 2,701 with a school on file
- Record last updated2025 · 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
- Abby Andris, APNPMilwaukee, WI 532161851647564
- Heather Dulay, GERIATRIC NURSE PRACMilwaukee, WI 532161275696825
- Caryl Giuliani, APNPMilwaukee, WI 532161780967729
- Kristin Haglund, PHD, APRNMilwaukee, WI 532161972640068
- Angela JonesMilwaukee, WI 532161548792450
- Jasvir Kailey, APNPMilwaukee, WI 532161861946386
- Jody Krahn, DNP, RN, WHNP-BCMilwaukee, WI 532161861513962
- Josephine Krizek, NURSE PRACTITIONERMilwaukee, WI 532161144741257
Common questions
What is Tracy P. Lemmer, FNP's NPI number?
Tracy P. Lemmer, FNP's National Provider Identifier (NPI) is 1851774772, issued on Jul 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Tracy P. Lemmer, FNP located?
The NPPES record lists a practice address at 5818 W Capitol Dr, Milwaukee, WI, 53216. Phone: (414) 449-2114. Providers update this record themselves, so call before visiting.
How can I verify Tracy P. Lemmer, FNP's license?
NPPES lists Wisconsin license number 6448, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Tracy P. Lemmer, FNP prescribe under Medicare Part D?
In 2024, Tracy P. Lemmer, FNP had 548 Medicare Part D claims for 67 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.