NPPES file of Aug 9, 2026

Anesthesiology Physician in Colorado

1,202 NPPES records list anesthesiology physician with a practice address in Colorado, 20 per 100,000 residents, the 12th highest rate of 51. Denver and Aurora have the most; each record links to the provider's NPI and the Colorado license search. Page 6 of 25.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207L00000X · method

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

Denver has the most, 225

  1. Denver225
  2. Aurora163
  3. Greenwood Village155
  4. Colorado Springs120
  5. Fort Collins66

Anesthesiology Physician records in Colorado

  1. Jeffrey Dobyns, DOEnglewood, CO 801101114906260
  2. Vitaliy Domashevich, M.D.Centennial, CO 801121235165440
  3. Darren DonahueWheat Ridge, CO 804011811525132
  4. Joe Donohue-Torres, MDPueblo, CO 810031619468287
  5. Michael Dorbad, D.O.Wheat Ridge, CO 800331386062081
  6. Margaret Dornseif, M.D.Denver, CO 802051063857761
  7. Charles Dorroh, M.D.Greenwood Village, CO 801111063487916
  8. Dorin Dougall, M DGolden, CO 804011932153152
  9. David Douin, MDAurora, CO 800451811314776
  10. Wendy Dowdeswell, MDCentennial, CO 801121447306048
  11. Kirk Dressen, MDGreenwood Village, CO 801111952892648
  12. Owen Dry, MDGreeley, CO 806311437102555
  13. Shawn Dufford, MDDenver, CO 802051093846891
  14. Roger Duggan, MDGreenwood Village, CO 801111184671802
  15. Samuel Duhon, MDPueblo, CO 810041558378042
  16. James Dunbar, MDAurora, CO 800451811494602
  17. Christopher Dunkin, MDLafayette, CO 800261154458156
  18. Duane Dunn, M.D.Fort Collins, CO 805241033107818
  19. Ryan Dworaczyk, M.D.Wheat Ridge, CO 800331851710271
  20. Lauren Eagelston, MDGreenwood Village, CO 801111649706565
  21. Duane Eberlein, MDDenver, CO 802031922071778
  22. Matthew Eckermann, M.D.Parker, CO 801381679543474
  23. Ronald Edgar, MDDenver, CO 802031366428773
  24. John Ehrichs, DODenver, CO 802031740327022
  25. John Eisenach, M.D.Lafayette, CO 800261598739450
  26. Eric Eisenman, M.D.Lone Tree, CO 801241902980766
  27. Michael Eisenmenger, MDFort Collins, CO 805241962616441
  28. Jamie Elchenko, M.D.Vail, CO 816571588957641
  29. Diane Ellis, MDGreenwood Village, CO 801111609856277
  30. Owen Ellis, M.D.Longmont, CO 805011205880044
  31. Ronald Ellis, MDEnglewood, CO 801101104805217
  32. Steven Ellstrom, MDDenver, CO 802051427098623
  33. Edward Elsey JrDenver, CO 802051609910306
  34. Carolyn Emerson, MDGrand Junction, CO 815011548552508
  35. Robert Engelhart, DOVail, CO 816571588662456
  36. Hope Engsberg-Rauzi, M.D.Denver, CO 802061447330345
  37. Jacob Entin, M.D.Greenwood Village, CO 801111093248304
  38. Jon Erickson, MDEnglewood, CO 801101487634051
  39. Daniel Escajeda, MDCastle Rock, CO 801081346258753
  40. Cody Estler, M.D.Colorado Springs, CO 809091013302181
  41. Jacob Evers, MDAurora, CO 800451245596204
  42. Michael Evers, DOLafayette, CO 800261881659985
  43. David FaktorovichGreenwood Village, CO 801111861854861
  44. Timothy FarnumLakewood, CO 802281093747578
  45. Clint Farris, M.D.Louisville, CO 800271437294188
  46. Timothy Farris, M.D.Colorado Springs, CO 809091508157157
  47. Brian Fassel, DODenver, CO 802031538145941
  48. Mark Faszholz, MDGreeley, CO 806311982683744
  49. Ana Faus, MDDenver, CO 802031356314108
  50. Kathleen Fedack, M.D.Golden, CO 804011154312692

Source: CMS NPPES, primary taxonomy 207L00000X: records by practice city and the list of records, file of Aug 9, 2026.

Colorado ranks 12 of 51 per resident

  1. Indiana21
  2. Vermont21
  3. Illinois21
  4. Colorado20
  5. Maryland20
  6. Maine20
  7. 50 states and D.C.18

Source: CMS NPPES, primary taxonomy 207L00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

74.7% of these records appear in a Medicare file, against 73.7% 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. Colorado74.7%
  2. United States73.7%

Anesthesiology Physician records in Colorado, measured

  • In a Medicare file898 of 1,202 · 74.7% here, 73.7% nationally
  • In the CMS Doctors and Clinicians file824 · 68.6% here, 67.2% nationally
  • Not updated in five years or more731 · 60.8% here, 57.8% nationally
  • Median graduation year2006 · the 824 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207L00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,202 NPPES records list anesthesiology physician (207L00000X) as their primary taxonomy with a practice address in Colorado: 20 per 100,000 residents against 18 nationally (50 states and D.C.). Denver has 225 of them (19%).

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. Missouri1,153
  2. Maryland1,253
  3. Wisconsin1,313
  4. Minnesota1,042

States with a similar rate per 100,000

  1. Illinois20.5
  2. Maine20.1
  3. Vermont20.9
  4. Montana20.0

The largest states

  1. California7,571
  2. New York5,062
  3. Texas4,635
  4. Florida3,375
  5. Illinois2,575

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.