NPPES file of Aug 9, 2026

Allergy & Immunology Physician in Wisconsin

63 NPPES records list allergy & immunology physician with a practice address in Wisconsin, 1.1 per 100,000 residents, the 27th highest rate of 51. Milwaukee and Madison have the most; each record links to the provider's NPI and the Wisconsin license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207K00000X · 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, 13

  1. Milwaukee13
  2. Madison11
  3. Green Bay5
  4. Marshfield4
  5. Onalaska4

Allergy & Immunology Physician records in Wisconsin

  1. Jeffrey Shaw, MDGreen Bay, WI 543011124083712
  2. Joshua Steinberg, MDMilwaukee, WI 532261326153917
  3. Matthew Tallar, M.D.Milwaukee, WI 532261376785691
  4. Adela Taylor, M. D.Eau Claire, WI 547011689664922
  5. Julia Thorsen, M.D.Madison, WI 537171023402153
  6. Priyanka Timothy, M.D.Marshfield, WI 544491669824843
  7. John Twiggs, MDMarshfield, WI 544491174631055
  8. Christine Virnig, M.D.Madison, WI 537171619913829
  9. Martin Voss, MDEau Claire, WI 547011750353900
  10. James Warpinski, M.D.Green Bay, WI 543011720034515
  11. Daniel Wendelborn, MDAppleton, WI 549111336192061
  12. John Wheeler, MDLa Crosse, WI 546011790994390
  13. Heidi Zafra, MDMilwaukee, WI 532261245282748

Source: CMS NPPES, primary taxonomy 207K00000X: records by practice city and the list of records, file of Aug 9, 2026.

Wisconsin ranks 27 of 51 per resident

  1. Alaska1.1
  2. Texas1.1
  3. Delaware1.1
  4. Wisconsin1.1
  5. Montana1.1
  6. Iowa1.0
  7. 50 states and D.C.1.2

Source: CMS NPPES, primary taxonomy 207K00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

66.7% of these records appear in a Medicare file, against 80.0% 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. Wisconsin66.7%
  2. United States80.0%

Allergy & Immunology Physician records in Wisconsin, measured

  • In a Medicare file42 of 63 · 66.7% here, 80.0% nationally
  • In the CMS Doctors and Clinicians file33 · 52.4% here, 65.7% nationally
  • Not updated in five years or more39 · 61.9% here, 57.3% nationally
  • Median graduation year2003 · the 33 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207K00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

63 NPPES records list allergy & immunology physician (207K00000X) as their primary taxonomy with a practice address in Wisconsin: 1.1 per 100,000 residents against 1.2 nationally (50 states and D.C.). Milwaukee has 13 of them (21%).

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. Kentucky65
  2. Louisiana58
  3. Connecticut57
  4. Indiana50

States with a similar rate per 100,000

  1. Delaware1.1
  2. Texas1.1
  3. Montana1.1
  4. Rhode Island1.1

The largest states

  1. California444
  2. Texas327
  3. New York311
  4. Florida204
  5. Pennsylvania183

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.