NPPES file of Aug 9, 2026

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in South Dakota

15 NPPES records list thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in South Dakota, 1.6 per 100,000 residents, the 32nd 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.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 208G00000X · 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, 12

  1. Sioux Falls12
  2. Rapid City3

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician records in South Dakota

  1. Peter Andreone, MDSioux Falls, SD 571081811985211
  2. Tommaso CambiaghiRapid City, SD 577011437636420
  3. Brian Duxbury, DOSioux Falls, SD 571081093210965
  4. Steven Feldhaus, M.D.Sioux Falls, SD 571081649385451
  5. Robert Gordon, MDRapid City, SD 577011588604581
  6. John Grehan, MD PHDSioux Falls, SD 571051275549784
  7. Luyando KalemboSioux Falls, SD 571061932615747
  8. David Maziarz, M.D.Sioux Falls, SD 571051265643985
  9. Paul Meyer, MDSioux Falls, SD 571081134174865
  10. Verlyn Nykamp, M.D.Sioux Falls, SD 571051629075031
  11. Lewis Ofstein, MDSioux Falls, SD 571081447203047
  12. Paul Orecchia, MDRapid City, SD 577011306893482
  13. Tommy Reynolds, MDSioux Falls, SD 571081346289618
  14. Marc Schechter, MDSioux Falls, SD 571081659358182
  15. Keung Ung, M.D.Sioux Falls, SD 571051972640498

Source: CMS NPPES, primary taxonomy 208G00000X: records by practice city and the list of records, file of Aug 9, 2026.

South Dakota ranks 32 of 51 per resident

  1. Iowa1.7
  2. Rhode Island1.6
  3. Mississippi1.6
  4. South Dakota1.6
  5. California1.6
  6. Texas1.6
  7. 50 states and D.C.1.9

Source: CMS NPPES, primary taxonomy 208G00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

73.3% of these records appear in a Medicare file, against 76.2% 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 Dakota73.3%
  2. United States76.2%

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician records in South Dakota, measured

  • In a Medicare file11 of 15 · 73.3% here, 76.2% nationally
  • In the CMS Doctors and Clinicians file8 · 53.3% here, 63.5% nationally
  • Not updated in five years or more8 · 53.3% here, 54.0% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208G00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

15 NPPES records list thoracic surgery (cardiothoracic vascular surgery) physician (208G00000X) as their primary taxonomy with a practice address in South Dakota: 1.6 per 100,000 residents against 1.9 nationally (50 states and D.C.). Sioux Falls has 12 of them (80%).

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 Dakota18
  2. Rhode Island18
  3. Hawaii19
  4. New Mexico20

States with a similar rate per 100,000

  1. Mississippi1.6
  2. California1.6
  3. Iowa1.7
  4. Arizona1.7

The largest states

  1. California634
  2. Texas484
  3. Florida468
  4. New York446
  5. Pennsylvania377

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.