NPPES file of Aug 9, 2026

Internal Medicine Physician in South Dakota

247 NPPES records list internal medicine physician with a practice address in South Dakota, 27 per 100,000 residents, the 46th highest rate of 51. Sioux Falls and Rapid City have the most; each record links to the provider's NPI and the South Dakota license search. Page 2 of 5.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · 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, 110

  1. Sioux Falls110
  2. Rapid City43
  3. Yankton15
  4. Aberdeen12
  5. Mitchell9

Internal Medicine Physician records in South Dakota

  1. Gregory Erickson, MDYankton, SD 570781306989090
  2. David Evans, MDRapid City, SD 577011780639484
  3. Amy Evjen, MDSioux Falls, SD 571051083931711
  4. Susan Fanta, MDYankton, SD 570781326049313
  5. Farzin Farajzadeh, M.D.Sioux Falls, SD 571051811125842
  6. Brenda Farris, M.D.Rapid City, SD 577021912960972
  7. Beenish Fayyaz, MDAberdeen, SD 574011649620675
  8. Derek Ferrie, MDMitchell, SD 573011013962919
  9. Jennifer Fillaus, D.O.Yankton, SD 570781760696967
  10. Lana Fischer, MDFort Meade, SD 577411851483598
  11. John Frank, MDYankton, SD 570781669473443
  12. John Fritz, M.D.Aberdeen, SD 574011205870136
  13. Allen Funk, M.D.Sioux Falls, SD 571051306841291
  14. Evelio Garcia, MD FACC FSCAIHayti, SD 572411669436200
  15. Jenna Gassman, DOSioux Falls, SD 571051124636543
  16. Gregory Geise, MDSioux Falls, SD 571051144221938
  17. Catherine Gerrish, MDWatertown, SD 572011770541807
  18. Giri Ghimire, MDRapid City, SD 577011366767048
  19. Kyle Gifford, MDRapid City, SD 577011023703246
  20. Leonard Gutnik, M.D.Sioux Falls, SD 571081841265543
  21. David Gwinn, MDFort Meade, SD 577411114099447
  22. Catherine Hajek, MDSioux Falls, SD 571041528219664
  23. Elizabeth HallerSioux Falls, SD 571051275929069
  24. Muhammad Hamza, MDSioux Falls, SD 571051891290078
  25. Brian Hansen, D.O.Sioux Falls, SD 571051083934533
  26. Lee Hanson, M.D.Fort Meade, SD 577411881666188
  27. Tyler Hanson, M.D.Yankton, SD 570781700800885
  28. Joan Harriott, MDAberdeen, SD 574011285927095
  29. Elizabeth HartSioux Falls, SD 571051417454331
  30. Kenneth Hart, MDRapid City, SD 577011689609828
  31. Jennifer Hasvold, MDRapid City, SD 577011366761215
  32. Michael Hein, MDYankton, SD 570781346241148
  33. Blake Heinz, D.O.Aberdeen, SD 574011871869172
  34. Michael Heisler, M.D.Sioux Falls, SD 571051225050610
  35. Jeffrey Henderson, M.D., M.P.H.Rapid City, SD 577021598856049
  36. Josh Henderson, DOMobridge, SD 576011730334384
  37. Travis Henderson, MDMobridge, SD 576011558343061
  38. John Herbst, MDRapid City, SD 577011922037357
  39. Dawn Hill, MDSioux Falls, SD 571051891359972
  40. Scott Hiltunen, MDSioux Falls, SD 571051457380859
  41. Robert Hohm, M.D.Huron, SD 573501366447104
  42. James Holloway, MDDeadwood, SD 577321346243813
  43. Martha Holstein, MDYankton, SD 570781447601141
  44. Song Hong, M.D.Sioux Falls, SD 571051700070208
  45. James Horning, M.D.Sioux Falls, SD 571051801847892
  46. Jay Hubner, MDYankton, SD 570781700887627
  47. Lorraine Huet-Holm, MDSioux Falls, SD 571081609886308
  48. Timothy Hurley, M.D.Sioux Falls, SD 571051194720623
  49. Luke Hushagen, M.D.Rapid City, SD 577011205369105
  50. Shefaly Jacob, MDSioux Falls, SD 571051679223119

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

South Dakota ranks 46 of 51 per resident

  1. Montana29
  2. Oklahoma28
  3. Iowa27
  4. South Dakota27
  5. Arkansas25
  6. Alaska24
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

79.4% of these records appear in a Medicare file, against 78.7% 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. South Dakota79.4%
  2. United States78.7%

Internal Medicine Physician records in South Dakota, measured

  • In a Medicare file196 of 247 · 79.4% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file146 · 59.1% here, 61.4% nationally
  • Not updated in five years or more147 · 59.5% here, 55.4% nationally
  • Median graduation year2008 · the 146 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

247 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in South Dakota: 27 per 100,000 residents against 44 nationally (50 states and D.C.). Sioux Falls has 110 of them (45%).

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. North Dakota245
  2. Alaska177
  3. Montana324
  4. Vermont326

States with a similar rate per 100,000

  1. Iowa27.2
  2. Oklahoma27.5
  3. Arkansas25.0
  4. Texas30.1

The largest states

  1. California17,696
  2. New York12,067
  3. Florida10,151
  4. Texas9,175
  5. Pennsylvania7,300

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.