NPPES file of Aug 9, 2026

General Practice Dentistry in Wisconsin

2,305 NPPES records list general practice dentistry with a practice address in Wisconsin, 39 per 100,000 residents, the 19th highest rate of 51. Milwaukee and Madison have the most; each record links to the provider's NPI and the Wisconsin license search. Page 47 of 47.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 1223G0001X · method

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

Milwaukee has the most, 173

  1. Milwaukee173
  2. Madison126
  3. Green Bay105
  4. Appleton78
  5. Eau Claire57

General Practice Dentistry records in Wisconsin

  1. Fred Zietz, D.D.S.Middleton, WI 535621346463528
  2. Robert Ziino, D.D.S.Sun Prairie, WI 535901154330991
  3. Henry Zimmermann, D.D.S.Burlington, WI 531051336253087
  4. Jared Zimmet, D.D.S.Menomonee Falls, WI 530511770616229
  5. Keith Ziolkowski, DDSShorewood, WI 532111689738155

Source: CMS NPPES, primary taxonomy 1223G0001X: records by practice city and the list of records, file of Aug 9, 2026.

Wisconsin ranks 19 of 51 per resident

  1. New York40
  2. Vermont40
  3. Nebraska40
  4. Wisconsin39
  5. Maryland39
  6. Virginia39
  7. 50 states and D.C.37

Source: CMS NPPES, primary taxonomy 1223G0001X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

56.7% of these records appear in a Medicare file, against 62.1% 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. Wisconsin56.7%
  2. United States62.1%

General Practice Dentistry records in Wisconsin, measured

  • In a Medicare file1,306 of 2,305 · 56.7% here, 62.1% nationally
  • In the CMS Doctors and Clinicians file7 · 0.3% here, 0.5% nationally
  • Not updated in five years or more1,733 · 75.2% here, 73.6% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 1223G0001X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,305 NPPES records list general practice dentistry (1223G0001X) as their primary taxonomy with a practice address in Wisconsin: 39 per 100,000 residents against 37 nationally (50 states and D.C.). Milwaukee has 173 of them (8%).

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. Maryland2,408
  2. Minnesota2,177
  3. Arizona2,482
  4. Colorado2,488

States with a similar rate per 100,000

  1. Virginia38.9
  2. Iowa38.6
  3. Utah38.6
  4. Nebraska39.6

The largest states

  1. California17,852
  2. Texas10,056
  3. New York7,828
  4. Florida7,101
  5. Illinois5,276

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.