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 20 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. Maria Regina Oakes, MDLouisville, CO 800271275588410
  2. Daniel OconorFort Carson, CO 809131841884517
  3. Herbert OgdenLongmont, CO 805011790769859
  4. John Ogle, M.D.Aurora, CO 800141114903952
  5. David Okeefe, MDLakewood, CO 802281376538017
  6. Cristiana Olaru, MDAurora, CO 800451871806448
  7. Eric Olsen, MDFort Collins, CO 805251760413280
  8. Adam Olson, D.O.Aurora, CO 800451821594458
  9. Anna Olson, MDColorado Springs, CO 809091700098928
  10. Brian Opitz, M.D.Colorado Springs, CO 809091043491897
  11. Ross Orpet, MDAurora, CO 800451699208710
  12. Heather Orth, MDDenver, CO 802181003234535
  13. Gerardo Ortiz, MDPueblo, CO 810031437361573
  14. Lesley Osborn, MDAurora, CO 800451003253725
  15. Kenneth Osgood, M.DFort Morgan, CO 807011164471025
  16. Ashley Ostrand, MDPueblo, CO 810031538287115
  17. Christopher Ott, MDLakewood, CO 802281235102047
  18. Nicole Oury, M.D.Cortez, CO 813211790887164
  19. Michael Overbeck, M.D.Aurora, CO 800451538167358
  20. Leticia Overholt, MDColorado Springs, CO 809071427006725
  21. Steve Padua, MDDelta, CO 814161841228558
  22. Charles PageDurango, CO 813011013020460
  23. Stacy Page, DOWheat Ridge, CO 800331962767368
  24. Jessica Paisley, MDAurora, CO 800451124296421
  25. Michael Pallini, MDColorado Springs, CO 809091467808857
  26. Thomas PaluskaThornton, CO 802291801862420
  27. Taylor Parisse, D.O.Colorado Springs, CO 809091184316812
  28. Pamela Parks, M.D.Pueblo, CO 810031417930405
  29. Samuel Paskin, M.D.Denver, CO 802041912439399
  30. Cori Patel, MDGreenwood Village, CO 801111528011335
  31. Lisa Patel, MDLakewood, CO 802281164495032
  32. Rachel PatelDenver, CO 802041356066088
  33. Shiv Patel, MDDenver, CO 802181710627492
  34. Michael Paterson, MDAurora, CO 800451679557532
  35. Ryan Paterson, MDDenver, CO 802041245407592
  36. Donald Patrick, M.D.Pueblo, CO 810031093972275
  37. Kenneth Patrick, MDFt Collins, CO 805241639119845
  38. Bartholomew Paull, MDDenver, CO 802041124360631
  39. Ben Peery, M.D.Glenwood Springs, CO 816011609887967
  40. Jonyean Pei, D.O.Denver, CO 802181285804633
  41. Ashley-Alpana Peko, MDLittleton, CO 801201659563187
  42. Paul Pelletier, MDDenver, CO 802041902368947
  43. John Pelner, M.D.Colorado Springs, CO 809171699795591
  44. Carey Pelto, M.D.Colorado Springs, CO 809201780610618
  45. Michael Pergola, MDAurora, CO 800451760010706
  46. Christopher Pergrem, M.D.Golden, CO 804011336126408
  47. Verlyn Peterson, MDAurora, CO 800451295828648
  48. Michael Pfannenstiel, M.D.Pueblo, CO 810031760456156
  49. George PhilbeckFort Collins, CO 805241902824733
  50. Rebecca Pifer, M.D.Aurora, CO 800451770503567

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.