NPPES file of Aug 9, 2026

Neurological Surgery Physician in South Dakota

27 NPPES records list neurological surgery physician with a practice address in South Dakota, 2.9 per 100,000 residents, the 16th highest rate of 51. Rapid City and Dakota Dunes have the most; each record links to the provider's NPI and the South Dakota license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207T00000X · method

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

Rapid City has the most, 10

  1. Rapid City10
  2. Dakota Dunes8
  3. Sioux Falls7
  4. Fort Meade1
  5. Pierre1

Neurological Surgery Physician records in South Dakota

  1. Margaret Carmody, M.D.Sioux Falls, SD 571051346482890
  2. Luis Diaz-Aguilar, MDDakota Dunes, SD 570491306342555
  3. Quentin Durward, MDDakota Dunes, SD 570491457354383
  4. Mark Fox, MDSioux Falls, SD 571051750355236
  5. Troy Gust, M.D.Rapid City, SD 577011558585927
  6. Jorge Johnson, MDFort Meade, SD 577411841358371
  7. Matthew Johnson, MD, MPHDakota Dunes, SD 570491376688150
  8. Hendrik Klopper, MDDakota Dunes, SD 570491942429394
  9. Seokchun LimSioux Falls, SD 571041154775781
  10. Mark Monasky, MDRapid City, SD 577011467537217
  11. James Nabwangu, MDRapid City, SD 577011083700512
  12. Theodore Obenchain, MDRapid City, SD 577011205889896
  13. Michael Opoku-Darko, M.D., MSC.Sioux Falls, SD 571041205480704
  14. John Pracyk, MD, PHD, MBADakota Dunes, SD 570491649216920
  15. Michael Puumala, MDSioux Falls, SD 571051821021304
  16. Thorir Ragnarsson, MDDakota Dunes, SD 570491013910363
  17. Ralph Reeder, MDDakota Dunes, SD 570491811990161
  18. Stuart Rice, M.D.Rapid City, SD 577011033188594
  19. Rodney Samuelson, MDRapid City, SD 577021083875744
  20. Gonzalo Sanchez, MDPierre, SD 575011851351621
  21. Grant Shumaker, MDDakota Dunes, SD 570491841265139
  22. Larry Teuber, M.D.Rapid City, SD 577021477512036
  23. Shawn Vuong, M.D.Sioux Falls, SD 571041861758856
  24. Tim Watt, M.D.Rapid City, SD 577011477512762
  25. Bryan Wellman, MDRapid City, SD 577011891776456
  26. Jonathan Wilson, M.D.Rapid City, SD 577011376727354
  27. George YangSioux Falls, SD 571041124480389

Source: CMS NPPES, primary taxonomy 207T00000X: records by practice city and the list of records, file of Aug 9, 2026.

South Dakota ranks 16 of 51 per resident

  1. Wisconsin3.0
  2. Colorado3.0
  3. Washington3.0
  4. South Dakota2.9
  5. Louisiana2.9
  6. Michigan2.9
  7. 50 states and D.C.2.6

Source: CMS NPPES, primary taxonomy 207T00000X 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 78.8% 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 Dakota66.7%
  2. United States78.8%

Neurological Surgery Physician records in South Dakota, measured

  • In a Medicare file18 of 27 · 66.7% here, 78.8% nationally
  • In the CMS Doctors and Clinicians file15 · 55.6% here, 65.8% nationally
  • Not updated in five years or more19 · 70.4% here, 52.5% nationally
  • Median graduation year2005 · the 15 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207T00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

27 NPPES records list neurological surgery physician (207T00000X) as their primary taxonomy with a practice address in South Dakota: 2.9 per 100,000 residents against 2.6 nationally (50 states and D.C.). Rapid City has 10 of them (37%).

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. Maine32
  2. North Dakota32
  3. District of Columbia34
  4. Alaska19

States with a similar rate per 100,000

  1. Washington3.0
  2. Colorado3.0
  3. Wisconsin3.0
  4. Connecticut3.0

The largest states

  1. California929
  2. Texas669
  3. Florida644
  4. New York529
  5. Pennsylvania447

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.