NPPES file of Aug 9, 2026

Katherine E. Aussem, PNP

Pediatric Nurse Practitioner · Milwaukee, WI

Katherine E. Aussem, PNP is a pediatric nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1023297264, issued on Oct 24, 2007. Check the license (Wisconsin 136537, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023297264
Name
Katherine E. Aussem
Credential
PNP
Primary taxonomy
Pediatric Nurse Practitioner 363LP0200X
License number
136537 WI
Self-reported in NPPES; status is on the state search
Practice location
9000 W Wisconsin Ave, Milwaukee, WI 53226
Phone
(414) 266-6955
Enumerated
Oct 24, 2007
Record last updated
Jun 5, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(414) 266-1752
Medicaid ID
10223297264 WI
Medicare enrollment
Enrolled (PECOS I20080115000085); 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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8 nearest pediatric nurse practitioner records → All 402 in Wisconsin → Look up another NPI →

Also registered at 9000 W Wisconsin Ave

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

  1. Lynn Abad-Santos, APNPPediatric Nurse Practitioner1184675696
  2. Steven AbramowskiPediatric Nurse Practitioner1871118802
  3. Thomas Abshire, MDPediatric Hematology & Oncology Physician1730249681
  4. Elham Abushanab, M.D.Neurology with Special Qualifications in Child Neurology Physician1306392634
  5. Samuel Adams, M.D.Neurology with Special Qualifications in Child Neurology Physician1972947224
  6. Adeleye Afolayan, M.DNeonatal-Perinatal Medicine Physician1760649776

Verify Katherine E. Aussem 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 136537    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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Bills Medicare through one group practice

  1. Childrens Specialty Group IncMilwaukee, WI

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

Katherine E. Aussem among 402 pediatric nurse practitioner records in Wisconsin

Katherine E. Aussem, PNP is one of 402 pediatric nurse practitioner records with a practice address in Wisconsin. 29% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 23% of them.

  • NPI issued2007 · 23% of these records are older, 74% newer
  • In a Medicare fileYes · 29% of these records are
  • In the CMS Doctors and Clinicians fileYes · 14% of these records are
  • Graduated2007 · median 2017 among the 57 with a school on file
  • Record last updated2020 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Nurse Practitioner providers in Wisconsin

There are 402 pediatric nurse practitioner records in Wisconsin.

All 402 in Wisconsin → Every provider in Milwaukee → Pediatric Nurse Practitioner nationwide →

The 8 pediatric nurse practitioner records with the nearest ZIP codes

  1. Lynn Abad-Santos, APNPMilwaukee, WI 532261184675696
  2. Jennifer Brandt, APNPMilwaukee, WI 532261477505832
  3. Susan Burke, APNPMilwaukee, WI 532261396796777
  4. Loretta Bush, NPMilwaukee, WI 532261669423059
  5. Mariaelena Calhoun, APNPMilwaukee, WI 532261700837184
  6. Lisa Crandall, APNPMilwaukee, WI 532261295787729
  7. Allison Duey Holtz, APNPMilwaukee, WI 532261285685214
  8. Megan Grekowicz, APNPMilwaukee, WI 532261255382073

Common questions

What is Katherine E. Aussem, PNP's NPI number?

Katherine E. Aussem, PNP's National Provider Identifier (NPI) is 1023297264, issued on Oct 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Katherine E. Aussem, PNP located?

The NPPES record lists a practice address at 9000 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 266-6955. Providers update this record themselves, so call before visiting.

How can I verify Katherine E. Aussem, PNP's license?

NPPES lists Wisconsin license number 136537, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.