NPPES file of Aug 9, 2026

Hematology (Internal Medicine) Physician in Wisconsin

18 NPPES records list hematology (internal medicine) physician with a practice address in Wisconsin, 0.3 per 100,000 residents, the 26th highest rate of 48. Madison and La Crosse have the most; each record links to the provider's NPI and the Wisconsin license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0000X · method

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

Madison has the most, 11

  1. Madison11
  2. La Crosse3
  3. Marshfield1
  4. New Berlin1
  5. Slinger1

Hematology (Internal Medicine) Physician records in Wisconsin

  1. Danielle Atibalentja, M.D., PH.D.Madison, WI 537921952752305
  2. David Blake, M.D.New Berlin, WI 531511831161348
  3. Wayne Bottner, MDLa Crosse, WI 546011255335931
  4. Natalie Callander, MDMadison, WI 537921649247339
  5. Julie Chang, M.D.Madison, WI 537171679524078
  6. Kim Dittus, MD, PHDMadison, WI 537921154538262
  7. Christopher Fletcher, M.D.Madison, WI 537921114121092
  8. Anna Jones, MDLa Crosse, WI 546011699152843
  9. Ronnie Kirschling, M.D.Wisconsin Rapids, WI 544941235151614
  10. Hongtao LiuMadison, WI 537921336332345
  11. Richard Mercier, MDMarshfield, WI 544491548360803
  12. Deane Mosher, MDMadison, WI 537921235190695
  13. Lori Rosenstein, M.D.La Crosse, WI 546011760568794
  14. Bradford Schwartz, MDMadison, WI 537921982996906
  15. John Sheehan, MDMadison, WI 537921699736090
  16. Marjorie Vukelich, MDSlinger, WI 530861972610913
  17. Eliot Williams, MD PHDMadison, WI 537921265493175
  18. Robert Woodson, MDMadison, WI 537921548221468

Source: CMS NPPES, primary taxonomy 207RH0000X: records by practice city and the list of records, file of Aug 9, 2026.

Wisconsin ranks 26 of 48 per resident

  1. Tennessee0.3
  2. Utah0.3
  3. Iowa0.3
  4. Wisconsin0.3
  5. Florida0.3
  6. Kentucky0.3
  7. 50 states and D.C.0.4

Source: CMS NPPES, primary taxonomy 207RH0000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

77.8% of these records appear in a Medicare file, against 80.5% 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. Wisconsin77.8%
  2. United States80.5%

Hematology (Internal Medicine) Physician records in Wisconsin, measured

  • In a Medicare file14 of 18 · 77.8% here, 80.5% nationally
  • In the CMS Doctors and Clinicians file13 · 72.2% here, 70.8% nationally
  • Not updated in five years or more10 · 55.6% here, 46.9% nationally
  • Median graduation year1993 · the 13 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

18 NPPES records list hematology (internal medicine) physician (207RH0000X) as their primary taxonomy with a practice address in Wisconsin: 0.3 per 100,000 residents against 0.4 nationally (50 states and D.C.). Madison has 11 of them (61%).

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. Indiana16
  2. Connecticut21
  3. Virginia21
  4. Missouri22

States with a similar rate per 100,000

  1. Iowa0.3
  2. Florida0.3
  3. Utah0.3
  4. Tennessee0.3

The largest states

  1. California175
  2. New York161
  3. Minnesota128
  4. Massachusetts117
  5. Ohio89

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.