NPPES file of Aug 9, 2026

Mary E. Lees, NP

Nurse Practitioner · Milwaukee, WI

Mary E. Lees, NP is a nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1083189633, issued on Oct 10, 2018. Check the license (Wisconsin 8686, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083189633
Name
Mary E. Lees
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
8686 WI
Self-reported in NPPES; status is on the state search
Practice location
2801 W Kinnickinnic River Pkwy Ste 980, Milwaukee, WI 53215
Phone
(414) 384-5111
Enumerated
Oct 10, 2018
Record last updated
Oct 17, 2024
Fax
(414) 643-8675
Medicaid ID
100082477 WI
Medicare enrollment
Enrolled (PECOS I20181108001540); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2801 W Kinnickinnic River Pkwy Ste 980

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Antony Ruggeri, M.D.Hematology & Oncology Physician1417922949
  2. Sherjeel Sana, MDHematology & Oncology Physician1194847228
  3. McKayla Tharp, NPNurse Practitioner1114633443

Verify Mary E. Lees in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 8686
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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24% fewer Medicare Part D claims than the average nurse practitioner in 2024

845 Medicare Part D claims for 231 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 131 claims were for opioids.

  1. Mary Lees845
  2. Specialty average1,109

Most prescribed

  1. Prochlorperazine Maleate72 claims
  2. Dexamethasone53 claims
  3. Hydrocodone-Acetaminophen45 claims
  4. Gabapentin40 claims
  5. Prednisone36 claims
  6. Loperamide33 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 one group practice

  1. Aurora Health Care Metro, Inc.Milwaukee, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary E. Lees among 3,995 nurse practitioner records in Wisconsin

Mary E. Lees, 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 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 fileYes · 68% of these records are
  • Graduated2016 · median 2017 among the 2,701 with a school on file
  • Record last updated2024 · 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.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Theresa Becker, APRNMilwaukee, WI 532151295727295
  2. Emily Carman, NPMilwaukee, WI 532151619928090
  3. Kathleen Freeland, NPMilwaukee, WI 532151710094123
  4. Mary Keller, APNPMilwaukee, WI 532151992727259
  5. Therese Kern, NPMilwaukee, WI 532151831168616
  6. Amanda Kirby, APNPMilwaukee, WI 532151245288976
  7. Elizabeth Mattes, APNPMilwaukee, WI 532151205886173
  8. Wende Moline, APRN-BCMilwaukee, WI 532151457351355

Common questions

What is Mary E. Lees, NP's NPI number?

Mary E. Lees, NP's National Provider Identifier (NPI) is 1083189633, issued on Oct 10, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mary E. Lees, NP located?

The NPPES record lists a practice address at 2801 W Kinnickinnic River Pkwy Ste 980, Milwaukee, WI, 53215. Phone: (414) 384-5111. Providers update this record themselves, so call before visiting.

How can I verify Mary E. Lees, NP's license?

NPPES lists Wisconsin license number 8686, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Mary E. Lees, NP prescribe under Medicare Part D?

In 2024, Mary E. Lees, NP had 845 Medicare Part D claims for 231 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.