NPPES file of Aug 9, 2026

Ophthalmology Physician in South Dakota

60 NPPES records list ophthalmology physician with a practice address in South Dakota, 6.5 per 100,000 residents, the 24th 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 1 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207W00000X · 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, 31

  1. Sioux Falls31
  2. Rapid City13
  3. Yankton4
  4. Aberdeen3
  5. Mitchell3

Ophthalmology Physician records in South Dakota

  1. Jed Assam, MDSioux Falls, SD 571101427584283
  2. Elizabeth Atchison, M.D.Sioux Falls, SD 571081669738183
  3. Ken Augspurger, MDSioux Falls, SD 571051942253919
  4. John Berdahl, M.D.Sioux Falls, SD 571081871761577
  5. Cory Bergman, MDRapid City, SD 577011285049940
  6. Gail BernardRapid City, SD 577011508817784
  7. Ray Birkenkamp, M.D.Mitchell, SD 573011174594741
  8. Andrea Bordewyk, MDSioux Falls, SD 571081255829776
  9. John Bormes, M.D.Aberdeen, SD 574011578568978
  10. Beth Bruening, M.D.Dakota Dunes, SD 570491467423517
  11. Elizabeth Chiang, MD, PHDSioux Falls, SD 571081336464882
  12. Jessica Claussen, MDMitchell, SD 573011700014412
  13. Rocio Diaz Sanjur, M.D.Rapid City, SD 577011700204088
  14. Karen Dickes, D.O.Yankton, SD 570781487851754
  15. Dustin Dierks, MDSioux Falls, SD 571081629057666
  16. Scott Eccarius, MDRapid City, SD 577011033166459
  17. Michael Eide, M.D.Sioux Falls, SD 571081710152061
  18. Hadly Eisenbeisz, MDRapid City, SD 577011598344566
  19. Tanner Ferguson, MDSioux Falls, SD 571051326545062
  20. Ted Fromm, M.D.Rapid City, SD 577011043419914
  21. Ryan Geraets, MDSioux Falls, SD 571081154441608
  22. Daniel Hafner, M.D.Rapid City, SD 577011033199310
  23. Bryan Hammer, M.D.Sioux Falls, SD 571081992766026
  24. Bernie Hanson, MDWatertown, SD 572011093713851
  25. Paula Hicks, M.D.Yankton, SD 570781407859341
  26. Byron Hohm, M.D.Sioux Falls, SD 571081780645887
  27. Christopher Huot, M.D.Rapid City, SD 577011740217991
  28. Elise In't Veld, MDSioux Falls, SD 571081215279856
  29. Stephen Khachikian, M.D.Rapid City, SD 577011518139070
  30. Trevor KindleYankton, SD 570781548794316
  31. Patrick King, M.D.Yankton, SD 570781487657334
  32. Hayley Klein, M.D.Sioux Falls, SD 571051871913467
  33. Kenneth Knudtson, MDBrookings, SD 570061447234984
  34. Brent Kramer, M.D.Sioux Falls, SD 571081689106460
  35. Norman Lewis, M.D.Sioux Falls, SD 571061619096096
  36. Rebecca LinquistRapid City, SD 577011164653598
  37. Aarika Menees, MDSioux Falls, SD 571051699066431
  38. Timothy Minton, M.D.Rapid City, SD 577011487634762
  39. Natalia Morales, MDSioux Falls, SD 571081518536226
  40. Michael Moran, MDWatertown, SD 572011669470589
  41. Robert Nixon, M.D.Rapid City, SD 577011194795427
  42. Filemon Olegario, MDMitchell, SD 573011922052190
  43. Andrew Ollerton, M.D.Sioux Falls, SD 571051619233806
  44. Gregory Osmundson, M.D.Sioux Falls, SD 571081255391801
  45. Michael PekasSioux Falls, SD 571051033627674
  46. Lucas Schnaidt, MDAberdeen, SD 574011477114098
  47. William Schultheis, MDSioux Falls, SD 571081649920729
  48. Wayne Snyder, M.D.Watertown, SD 572011053474254
  49. Maria Stunkel, M.D.Sioux Falls, SD 571051588042709
  50. Alison Tendler, M.D.Sioux Falls, SD 571081205812328

Source: CMS NPPES, primary taxonomy 207W00000X: records by practice city and the list of records, file of Aug 9, 2026.

South Dakota ranks 24 of 51 per resident

  1. New Jersey6.8
  2. Washington6.7
  3. Louisiana6.5
  4. South Dakota6.5
  5. Ohio6.4
  6. North Carolina6.3
  7. 50 states and D.C.6.7

Source: CMS NPPES, primary taxonomy 207W00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

71.7% of these records appear in a Medicare file, against 77.8% 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 Dakota71.7%
  2. United States77.8%

Ophthalmology Physician records in South Dakota, measured

  • In a Medicare file43 of 60 · 71.7% here, 77.8% nationally
  • In the CMS Doctors and Clinicians file38 · 63.3% here, 65.5% nationally
  • Not updated in five years or more25 · 41.7% here, 63.6% nationally
  • Median graduation year2009 · the 38 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207W00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

60 NPPES records list ophthalmology physician (207W00000X) as their primary taxonomy with a practice address in South Dakota: 6.5 per 100,000 residents against 6.7 nationally (50 states and D.C.). Sioux Falls has 31 of them (52%).

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. Delaware65
  2. Montana65
  3. Vermont55
  4. North Dakota47

States with a similar rate per 100,000

  1. Louisiana6.5
  2. Puerto Rico6.6
  3. Ohio6.4
  4. Washington6.7

The largest states

  1. California2,899
  2. New York1,822
  3. Florida1,581
  4. Texas1,514
  5. Pennsylvania1,088

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.