NPPES file of Aug 9, 2026

Ambulatory Care Registered Nurse in Wisconsin

151 NPPES records list ambulatory care registered nurse with a practice address in Wisconsin, 2.6 per 100,000 residents, the 6th highest rate of 51. Tomah and Madison have the most; each record links to the provider's NPI and the Wisconsin license search. Page 4 of 4.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 163WP2201X · method

Tomah has the most, 58

Ambulatory Care Registered Nurse records in Wisconsin

  1. Karie Zimmerman, RNTomah, WI 546601154267078

Source: CMS NPPES, primary taxonomy 163WP2201X: records by practice city and the list of records, file of Aug 9, 2026.

Wisconsin ranks 6 of 51 per resident

  1. New Mexico4.5
  2. Wyoming2.7
  3. Alaska2.6
  4. Wisconsin2.6
  5. California2.4
  6. Massachusetts2.3
  7. 50 states and D.C.1.0

Source: CMS NPPES, primary taxonomy 163WP2201X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.0% of these records appear in a Medicare file, against 1.3% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Wisconsin0.0%
  2. United States1.3%

Ambulatory Care Registered Nurse records in Wisconsin, measured

  • In a Medicare file0 of 151 · 0.0% here, 1.3% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, 0.4% nationally
  • Not updated in five years or more17 · 11.3% here, 42.7% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 163WP2201X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

151 NPPES records list ambulatory care registered nurse (163WP2201X) as their primary taxonomy with a practice address in Wisconsin: 2.6 per 100,000 residents against 1 nationally (50 states and D.C.). Tomah has 58 of them (38%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Texas159
  2. Massachusetts164
  3. Michigan130
  4. Colorado112

States with a similar rate per 100,000

  1. Alaska2.6
  2. California2.4
  3. Wyoming2.7
  4. Rhode Island2.2

The largest states

  1. California940
  2. Ohio199
  3. Massachusetts164
  4. Texas159
  5. Michigan130

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.