NPPES file of Aug 9, 2026

Diagnostic Radiology Physician in South Dakota

106 NPPES records list diagnostic radiology physician with a practice address in South Dakota, 12 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. Page 3 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2085R0202X · 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, 59

  1. Sioux Falls59
  2. Rapid City19
  3. Aberdeen9
  4. Mitchell4
  5. Dakota Dunes3

Diagnostic Radiology Physician records in South Dakota

  1. David White, MDRapid City, SD 577011841218674
  2. Daryl Wierda, MDSioux Falls, SD 571051962466904
  3. Jamie Williams, M.D.Sioux Falls, SD 571041720421381
  4. Suzanne Woodward, M.D.Sioux Falls, SD 571051437275138
  5. Khalil Yousef, M.D.Sioux Falls, SD 571041033142740
  6. William Zavitz, M.D.Rapid City, SD 577011346207412

Source: CMS NPPES, primary taxonomy 2085R0202X: records by practice city and the list of records, file of Aug 9, 2026.

South Dakota ranks 32 of 51 per resident

  1. Arizona12
  2. Hawaii12
  3. California12
  4. South Dakota12
  5. Indiana11
  6. Iowa11
  7. 50 states and D.C.13

Source: CMS NPPES, primary taxonomy 2085R0202X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

70.8% of these records appear in a Medicare file, against 73.1% 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 Dakota70.8%
  2. United States73.1%

Diagnostic Radiology Physician records in South Dakota, measured

  • In a Medicare file75 of 106 · 70.8% here, 73.1% nationally
  • In the CMS Doctors and Clinicians file71 · 67.0% here, 68.5% nationally
  • Not updated in five years or more75 · 70.8% here, 56.9% nationally
  • Median graduation year2003 · the 71 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2085R0202X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

106 NPPES records list diagnostic radiology physician (2085R0202X) as their primary taxonomy with a practice address in South Dakota: 12 per 100,000 residents against 13 nationally (50 states and D.C.). Sioux Falls has 59 of them (56%).

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 Dakota106
  2. Montana108
  3. Alaska88
  4. Delaware124

States with a similar rate per 100,000

  1. California11.5
  2. Hawaii11.6
  3. Arizona11.7
  4. Indiana11.4

The largest states

  1. California4,500
  2. New York3,146
  3. Texas3,124
  4. Florida2,761
  5. Pennsylvania2,199

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.