NPPES file of Aug 9, 2026

Emergency Medicine Physician in Colorado

1,434 NPPES records list emergency medicine physician with a practice address in Colorado, 24 per 100,000 residents, the 18th highest rate of 51. Denver and Aurora have the most; each record links to the provider's NPI and the Colorado license search. Page 29 of 29.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207P00000X · method

Denver has the most, 287

Emergency Medicine Physician records in Colorado

  1. Stephen Wolf, M.D.Denver, CO 802041699885277
  2. Aaron WolfeDenver, CO 802181902193790
  3. Laird WolfeBoulder, CO 803041073599080
  4. Marissa Wolfe, MDDenver, CO 802041174086060
  5. Hans Wolslau, DOAurora, CO 800451588825301
  6. Ian WoodFort Collins, CO 805241730198615
  7. Blair Woodbury, M.D.Denver, CO 802061376800318
  8. John Woodland, M.D.Vail, CO 816571467563858
  9. Karen Woolf, M.D.Aurora, CO 800141295718864
  10. Angela Wright, MDAurora, CO 800451265850002
  11. Eric Wu, M.D.Colorado Springs, CO 809091003236852
  12. Ming-Jay Wu, M.D.Louisville, CO 800271689650699
  13. Jeffrey Wuerker, M.D.Glenwood Springs, CO 816011053484063
  14. Ryan Wyatt, M.D.Aurora, CO 800451346776242
  15. Lynne Yancey, MDAurora, CO 800451740399096
  16. George Yang, DOCanon City, CO 812121326021353
  17. Christina Yannetsos, MDLone Tree, CO 801241740556745
  18. Michael Yaron, MDAurora, CO 800451295844546
  19. Joseph Yeakel, M.D.Leadville, CO 804611417029141
  20. Kimberlee YearginDurango, CO 813011952465841
  21. Arash Yekrangi-Tajvidi, D.O.Colorado Springs, CO 809091124256995
  22. Andrew Yeowell, MDMontrose, CO 814011841210630
  23. Jeremiah Yerton, M.D.Lakewood, CO 802281568682722
  24. Steven Young, M.D.Arvada, CO 800031184699803
  25. Jason YoungaColorado Springs, CO 809091851690416
  26. Joseph Zajchowski, MDDurango, CO 813011992751572
  27. Richard Zane, MDAurora, CO 800451386600237
  28. Joseph Zaremba, M.D.Fort Carson, CO 809131811164999
  29. Daniel Zeccola, M.D.Denver, CO 802181659671360
  30. Jason Zeller, M.D.Denver, CO 802041538509484
  31. Jason Zhang, DOWestminster, CO 800231831693233
  32. Andrew ZillerDenver, CO 802201528046638
  33. Deborah Zimmerman, PABreckenridge, CO 804241760456735
  34. Gregory Zoller, MDLittleton, CO 801221669447421

Source: CMS NPPES, primary taxonomy 207P00000X: records by practice city and the list of records, file of Aug 9, 2026.

Colorado ranks 18 of 51 per resident

  1. Alaska25
  2. Wisconsin25
  3. New Mexico24
  4. Colorado24
  5. Delaware24
  6. Minnesota23
  7. 50 states and D.C.21

Source: CMS NPPES, primary taxonomy 207P00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

77.0% of these records appear in a Medicare file, against 81.5% 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. Colorado77.0%
  2. United States81.5%

Emergency Medicine Physician records in Colorado, measured

  • In a Medicare file1,104 of 1,434 · 77.0% here, 81.5% nationally
  • In the CMS Doctors and Clinicians file811 · 56.6% here, 58.7% nationally
  • Not updated in five years or more842 · 58.7% here, 54.8% nationally
  • Median graduation year2011 · the 810 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207P00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,434 NPPES records list emergency medicine physician (207P00000X) as their primary taxonomy with a practice address in Colorado: 24 per 100,000 residents against 21 nationally (50 states and D.C.). Denver has 287 of them (20%).

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. Washington1,459
  2. Missouri1,405
  3. Wisconsin1,464
  4. Arizona1,494

States with a similar rate per 100,000

  1. New Mexico24.5
  2. Alaska25.0
  3. New Hampshire25.0
  4. Delaware23.5

The largest states

  1. California7,751
  2. New York5,025
  3. Texas4,885
  4. Florida4,034
  5. Pennsylvania3,911

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.