NPPES file of Aug 9, 2026

Orthopaedic Surgery Physician in South Dakota

113 NPPES records list orthopaedic surgery physician with a practice address in South Dakota, 12.3 per 100,000 residents, the 4th highest rate of 51. Sioux Falls and Dakota Dunes have the most; each record links to the provider's NPI and the South Dakota license search. Page 3 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207X00000X · method

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

Sioux Falls has the most, 38

  1. Sioux Falls38
  2. Dakota Dunes20
  3. Rapid City20
  4. Tea12
  5. Aberdeen5

Orthopaedic Surgery Physician records in South Dakota

  1. Stephen Stout, MDPierre, SD 575011497721328
  2. Robert Suga, MDSioux Falls, SD 571051700811106
  3. Don Swift, D.O.Yankton, SD 570781164481883
  4. Ryan Todhunter, M.D.Sioux Falls, SD 571041184157836
  5. Robert Van Demark, MDSioux Falls, SD 571041063708915
  6. Michael Vener, MDWatertown, SD 572011083638050
  7. Timothy Walker, M.D.Tea, SD 570641275530644
  8. Benjamin Walters, D.O.Sioux Falls, SD 571081215385232
  9. Eric Watson, MDTea, SD 570641134154552
  10. Mark Wheeler, MDDakota Dunes, SD 570491619970944
  11. Robert Woodruff, M.D.Rapid City, SD 577021669513552
  12. Alan YanSioux Falls, SD 571041376703157
  13. Timothy Zoellner, MDSioux Falls, SD 571051972517563

Source: CMS NPPES, primary taxonomy 207X00000X: records by practice city and the list of records, file of Aug 9, 2026.

South Dakota ranks 4 of 51 per resident

  1. Wyoming15.6
  2. Rhode Island12.6
  3. New Hampshire12.4
  4. South Dakota12.3
  5. Maine11.8
  6. Alaska11.3
  7. 50 states and D.C.7.4

Source: CMS NPPES, primary taxonomy 207X00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

78.8% of these records appear in a Medicare file, against 76.5% 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. South Dakota78.8%
  2. United States76.5%

Orthopaedic Surgery Physician records in South Dakota, measured

  • In a Medicare file89 of 113 · 78.8% here, 76.5% nationally
  • In the CMS Doctors and Clinicians file83 · 73.5% here, 62.5% nationally
  • Not updated in five years or more60 · 53.1% here, 56.8% nationally
  • Median graduation year2005 · the 83 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207X00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

113 NPPES records list orthopaedic surgery physician (207X00000X) as their primary taxonomy with a practice address in South Dakota: 12.3 per 100,000 residents against 7.4 nationally (50 states and D.C.). Sioux Falls has 38 of them (34%).

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. Hawaii107
  2. Puerto Rico106
  3. Montana105
  4. West Virginia126

States with a similar rate per 100,000

  1. New Hampshire12.4
  2. Rhode Island12.6
  3. Maine11.8
  4. Alaska11.3

The largest states

  1. California2,276
  2. Texas1,514
  3. Florida1,470
  4. New York1,339
  5. Pennsylvania1,253

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.