NPPES file of Aug 9, 2026

Kirsten Marie Sax, CNP, DNP

Nurse Practitioner · Hudson, WI

Kirsten Marie Sax, CNP, DNP is a nurse practitioner with a practice address in Hudson, Wisconsin, and NPI 1588440523, issued on Sep 6, 2023. Check the license (Wisconsin 16054, 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
1588440523
Name
Kirsten Marie Sax
Credential
CNP, DNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
16054 WI
10725 MN
Self-reported in NPPES; status is on the state search
Practice location
411 Stageline RD, Hudson, WI 54016
Phone
(715) 531-6700
Enumerated
Sep 6, 2023
Record last updated
Dec 2, 2024
Fax
(715) 531-6701
Medicare enrollment
Enrolled (PECOS I20231019001785); 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 nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →

Also registered at 411 Stageline RD

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

  1. Megan Bennett, OTR/LOccupational Therapist1457136160
  2. Brenda Eckerman, PTPhysical Therapist1881232148
  3. Dan KrakoraDermatology Physician1548622863
  4. Abigail Montez, PT, DPTPhysical Therapist1457984791
  5. Janelle Niebeling, OTR/LOccupational Therapist1285188037
  6. Ryan Schwantes, AUDAudiologist1720874928

Verify Kirsten Marie Sax 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 16054    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. Group Health Plan IncStillwater, MN

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

Kirsten Marie Sax among 3,995 nurse practitioner records in Wisconsin

Kirsten Marie Sax, CNP, DNP 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 2023, is newer than 85% of them.

  • NPI issued2023 · 85% of these records are older, 10% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2023 · 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).

9 nurse practitioner records list a practice address in Hudson

They are 9 of the 653 NPPES records with a practice address in Hudson, and 3,995 nurse practitioner records in Wisconsin.

All 3,995 in Wisconsin → Every provider in Hudson → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Stacy Ayres, NPHudson, WI 540161073897989
  2. Sheri MadisonHudson, WI 540161346797404
  3. Cassidy McGlothlen, NPHudson, WI 540161700262938
  4. Kathryn Mercado, N.P.Hudson, WI 540161881954295
  5. Kaitlyn MooreHudson, WI 540161568144392
  6. Ramona Nesse, FNPHudson, WI 540161316912025
  7. Meghan Schulz, APNPHudson, WI 540161275234718
  8. Shannon Vaske, RN-CNPHudson, WI 540161669479069

Common questions

What is Kirsten Marie Sax, CNP, DNP's NPI number?

Kirsten Marie Sax, CNP, DNP's National Provider Identifier (NPI) is 1588440523, issued on Sep 6, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Kirsten Marie Sax, CNP, DNP located?

The NPPES record lists a practice address at 411 Stageline RD, Hudson, WI, 54016. Phone: (715) 531-6700. Providers update this record themselves, so call before visiting.

How can I verify Kirsten Marie Sax, CNP, DNP's license?

NPPES lists Wisconsin license number 16054, 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.