NPPES file of Aug 9, 2026

Michelle Guenther, NP

Nurse Practitioner · Hartford, WI

Michelle Guenther, NP is a nurse practitioner with a practice address in Hartford, Wisconsin, and NPI 1285206201, issued on Jul 12, 2021. Check the license (Wisconsin 11168, 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
1285206201
Name
Michelle Guenther
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
11168 WI
Self-reported in NPPES; status is on the state search
Practice location
1640 E Sumner St, Hartford, WI 53027
Phone
(262) 670-4000
Enumerated
Jul 12, 2021
Record last updated
Aug 19, 2024
Fax
(262) 670-4451
Medicaid ID
100178445 WI
Medicare enrollment
Enrolled (PECOS I20210825000352); 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 1640 E Sumner St

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

  1. Kimberly Beimel, PTAPhysical Therapy Assistant1417102989
  2. James Bencivenga, MDOccupational Medicine Physician1659304434
  3. Mary Bister, M.D.Family Medicine Physician1144546086
  4. Jill Bley Klink, LPCProfessional Counselor1891832283
  5. Brianna Bobber, DOPediatrics Physician1235792664
  6. Britta Braden, PAPhysician Assistant1083650709

Verify Michelle Guenther 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 11168    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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8% more Medicare Part D claims than the average nurse practitioner in 2024

1,197 Medicare Part D claims for 200 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 11 claims were for opioids.

  1. Michelle Guenther1,197
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium48 claims
  2. Levothyroxine Sodium47 claims
  3. Metoprolol Succinate44 claims
  4. Amlodipine Besylate42 claims
  5. Lisinopril36 claims
  6. Metformin Hcl Er32 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 Advanced Healthcare, Inc.West Bend, WI

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

18 nurse practitioner records list a practice address in Hartford

They are 18 of the 269 NPPES records with a practice address in Hartford, and 3,995 nurse practitioner records in Wisconsin.

All 18 in Hartford → All 3,995 in Wisconsin → Every provider in Hartford →

Other nurse practitioner records in Wisconsin

  1. Caroline Aaberg, APNPMadison, WI1881384394
  2. Joyce Abbott, APNPOshkosh, WI1003824665
  3. Mohamed Abdelazim, APNPAppleton, WI1760266696
  4. Jacklyn Abel, AGACNP-BCMauston, WI1104631506
  5. Henrietta Abili, APNPGermantown, WI1174859524
  6. Jade Abts, NPGreen Bay, WI1992293708
  7. Karalyn Adam, DNP, RNMarshfield, WI1780933051
  8. Carol Adamczyk, MSNWauwatosa, WI1457502395
  9. Amanda Adams, NPMadison, WI1023366598
  10. Bernadette Adams, FNPWestby, WI1427047620

Common questions

What is Michelle Guenther, NP's NPI number?

Michelle Guenther, NP's National Provider Identifier (NPI) is 1285206201, issued on Jul 12, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Guenther, NP located?

The NPPES record lists a practice address at 1640 E Sumner St, Hartford, WI, 53027. Phone: (262) 670-4000. Providers update this record themselves, so call before visiting.

How can I verify Michelle Guenther, NP's license?

NPPES lists Wisconsin license number 11168, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Michelle Guenther, NP prescribe under Medicare Part D?

In 2024, Michelle Guenther, NP had 1,197 Medicare Part D claims for 200 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.

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.