NPPES file of Aug 9, 2026

Colon & Rectal Surgery Physician in Wisconsin

31 NPPES records list colon & rectal surgery physician with a practice address in Wisconsin, 0.5 per 100,000 residents, the 33rd highest rate of 50. Milwaukee and Madison 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 208C00000X · 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, 10

  1. Milwaukee10
  2. Madison9
  3. Green Bay3
  4. La Crosse3
  5. Brookfield2

Colon & Rectal Surgery Physician records in Wisconsin

  1. Julia Berian, M.D.Madison, WI 537051740576339
  2. Jed Calata, M.D.Milwaukee, WI 532261972828929
  3. Francisco Cardenas Lara, MDEau Claire, WI 547031033640156
  4. Jasna Coralic, MDMilwaukee, WI 532111528296753
  5. Ana De Roo, MDMadison, WI 537051861870255
  6. Peter Falk, MDGreen Bay, WI 543041053424853
  7. Marc Grodsky, MDGreen Bay, WI 543041639379118
  8. Amy Hanna-Salami, M.D.Milwaukee, WI 532151619177870
  9. Dana Hayden, M.D.Madison, WI 537051114173192
  10. Theresa Hayssen, MDBrookfield, WI 530051265412365
  11. Katherine Hu, MDMilwaukee, WI 532261578959771
  12. Michitaka Kawata, M.D.La Crosse, WI 546011417186859
  13. Therese Kerwel, MDBrookfield, WI 530051669727921
  14. Ray King, M.D., PH.DMadison, WI 537151336460666
  15. James Klas, M.D.Milwaukee, WI 532151467420653
  16. Rudolph Kluiber, M.D.Milwaukee, WI 532091508895335
  17. Erin Lange, M.D.Madison, WI 537151326084526
  18. Elise Lawson, M.D.Madison, WI 537921972769206
  19. Dan Metcalf, MDAshland, WI 548061306819073
  20. Molly Meyers, M.D.Milwaukee, WI 532151356636781
  21. Andrew Morris, M.D.La Crosse, WI 546011194068320
  22. David Nelms, M.D.La Crosse, WI 546011386088565
  23. Carrie Peterson, MDMilwaukee, WI 532261376707729
  24. Shahrose Rahman, MDMadison, WI 537921669931531
  25. Timothy Ridolfi, M.D.Milwaukee, WI 532261023190386
  26. Scott Ruggles, MDGreen Bay, WI 543011174636062
  27. Cristina Sanger, M.D.Madison, WI 537921851617617
  28. Marie Thomas, M.D.Madison, WI 537151720024920
  29. Kate Vasconcellos, MDMilwaukee, WI 532151437477320
  30. Alfonso Velasco, MDMarshfield, WI 544491144321993
  31. Mayya Volodarskaya, MDAppleton, WI 549131659908473

Source: CMS NPPES, primary taxonomy 208C00000X: records by practice city and the list of records, file of Aug 9, 2026.

Wisconsin ranks 33 of 50 per resident

  1. Tennessee0.5
  2. Nevada0.5
  3. Utah0.5
  4. Wisconsin0.5
  5. Maryland0.5
  6. West Virginia0.5
  7. 50 states and D.C.0.7

Source: CMS NPPES, primary taxonomy 208C00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

93.5% of these records appear in a Medicare file, against 84.7% 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. Wisconsin93.5%
  2. United States84.7%

Colon & Rectal Surgery Physician records in Wisconsin, measured

  • In a Medicare file29 of 31 · 93.5% here, 84.7% nationally
  • In the CMS Doctors and Clinicians file27 · 87.1% here, 76.0% nationally
  • Not updated in five years or more17 · 54.8% here, 50.9% nationally
  • Median graduation year2006 · the 27 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208C00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

31 NPPES records list colon & rectal surgery physician (208C00000X) as their primary taxonomy with a practice address in Wisconsin: 0.5 per 100,000 residents against 0.7 nationally (50 states and D.C.). Milwaukee has 10 of them (32%).

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. Kentucky31
  2. Oregon31
  3. Maryland32
  4. North Carolina32

States with a similar rate per 100,000

  1. Utah0.5
  2. Nevada0.5
  3. California0.5
  4. Tennessee0.5

The largest states

  1. Texas209
  2. New York199
  3. California198
  4. Florida178
  5. Ohio123

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.