NPPES file of Aug 9, 2026

Pediatric Cardiology Physician in Colorado

70 NPPES records list pediatric cardiology physician with a practice address in Colorado, 1.2 per 100,000 residents, the 16th highest rate of 50. Aurora and Denver have the most; each record links to the provider's NPI and the Colorado license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2080P0202X · method

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

Aurora has the most, 55

  1. Aurora55
  2. Denver12
  3. Colorado Springs2
  4. Lone Tree1

Pediatric Cardiology Physician records in Colorado

  1. David Runciman, MDAurora, CO 800451881784692
  2. Christine Sawda, MDAurora, CO 800451700383353
  3. Charlotte Schaffer, MDAurora, CO 800451760919237
  4. Michael Schaffer, MDAurora, CO 800451497839120
  5. James Schroeder, MDAurora, CO 800451588634315
  6. Elizabeth Shaffer, MDAurora, CO 800451104901834
  7. Charles Simpkin, DOAurora, CO 800451104321751
  8. Kathleen Simpson, MDAurora, CO 800451609040443
  9. Benjamin Smith, M.D.Aurora, CO 800451326579517
  10. Henry Sondheimer, MDDenver, CO 802181669557393
  11. Chad Stewart, M.D.Aurora, CO 800451245429091
  12. Yu-Shan Tsen, M.D.Aurora, CO 800451700271855
  13. Immanuel Turner, MDDenver, CO 802051912165168
  14. Karrie Villavicencio, MDAurora, CO 800451851476501
  15. Johannes Von Alvensleben, MDAurora, CO 800451164622577
  16. Reginald Washington, M.D.Lone Tree, CO 801241447205224
  17. Trevor WilliamsAurora, CO 800451447483540
  18. Neil Wilson, MDAurora, CO 800451972948453
  19. Robert Wolfe, MDAurora, CO 800451396829024
  20. Adel Younoszai, MDAurora, CO 800451952493819

Source: CMS NPPES, primary taxonomy 2080P0202X: records by practice city and the list of records, file of Aug 9, 2026.

Colorado ranks 16 of 50 per resident

  1. New York1.3
  2. Wisconsin1.2
  3. Arkansas1.2
  4. Colorado1.2
  5. Iowa1.2
  6. Washington1.1
  7. 50 states and D.C.1.1

Source: CMS NPPES, primary taxonomy 2080P0202X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

64.3% of these records appear in a Medicare file, against 65.6% 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. Colorado64.3%
  2. United States65.6%

Pediatric Cardiology Physician records in Colorado, measured

  • In a Medicare file45 of 70 · 64.3% here, 65.6% nationally
  • In the CMS Doctors and Clinicians file40 · 57.1% here, 52.9% nationally
  • Not updated in five years or more32 · 45.7% here, 47.8% nationally
  • Median graduation year2007 · the 40 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0202X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

70 NPPES records list pediatric cardiology physician (2080P0202X) as their primary taxonomy with a practice address in Colorado: 1.2 per 100,000 residents against 1.1 nationally (50 states and D.C.). Aurora has 55 of them (79%).

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. Wisconsin72
  2. Minnesota73
  3. North Carolina77
  4. Arizona61

States with a similar rate per 100,000

  1. Iowa1.2
  2. Arkansas1.2
  3. Washington1.1
  4. Virginia1.1

The largest states

  1. California363
  2. Texas325
  3. New York246
  4. Florida238
  5. Ohio195

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.