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 19 of 29.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207P00000X · 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, 287

  1. Denver287
  2. Aurora246
  3. Colorado Springs145
  4. Fort Collins67
  5. Lakewood56

Emergency Medicine Physician records in Colorado

  1. Robert MosimanFort Collins, CO 805241992947626
  2. Carl Nee-Kofi Mould-Millman, MDAurora, CO 800451366605842
  3. Kathryn Mueller, MDDenver, CO 802621487763736
  4. Tanner Muggli, MDDenver, CO 802041124653217
  5. Jean Mulcahy Levy, M.DAurora, CO 800451528264587
  6. Ashley Mull, MDDenver, CO 802201649482720
  7. Gwendolyn Mullinix, M.D.Wheat Ridge, CO 800331265482186
  8. William Mundo, MD, MPHDenver, CO 802041346999455
  9. Thomas MunseyColorado Springs, CO 809201407782261
  10. Benjamin Murphy, M.D.Lafayette, CO 800261427341346
  11. Guy Murphy, MDAurora, CO 800451467405548
  12. Jaina Murphy, MDColorado Springs, CO 809091013273457
  13. Ryan Murphy, M.D.Denver, CO 802041356728166
  14. Evangelia Murray, MDDenver, CO 802041871099713
  15. Rachael Muschalek, MS, MDDenver, CO 802041922633015
  16. Martin Musi, MDAurora, CO 800451245491109
  17. Burton Myers, M.D.Lone Tree, CO 801241447690540
  18. Jacob Nacht, M.D.Montrose, CO 814011023437944
  19. Scott Nagely, MDKeystone, CO 804351154389856
  20. Heather Naiman-CryselAurora, CO 800121922081439
  21. Roger Narvaez, M.D.Pueblo, CO 810081780664169
  22. Kristian Narveson, MDPueblo, CO 810031093917346
  23. Daniel Naylor, MDDenver, CO 802181487882130
  24. Brad Neese, MDGrand Junction, CO 815011053344366
  25. Damon NegriBoulder, CO 803031124193453
  26. Barry Nelson, DOHighlands Ranch, CO 801261285742965
  27. Kristie Nelson, M.D.Fort Carson, CO 809131558332361
  28. Michael Nerenberg, M.D.Pueblo, CO 810031336122167
  29. Natalie Neumann, M.D.Denver, CO 802041053792051
  30. Anne Newbold, D.O.Fort Collins, CO 805241255566428
  31. Hanyann Ng, MDLittleton, CO 801221164838751
  32. Sandra Nichols, M.D.Colorado Spgs, CO 809231952747024
  33. Ty Nichols, M.D.Rifle, CO 816501811334303
  34. David NighColorado Springs, CO 809091790876514
  35. Matthew Nilan, D.O.Fort Carson, CO 809131003176223
  36. Samantha Nohava, MDColorado Springs, CO 809091386987287
  37. Mary Nolan, MDDenver, CO 802161427003664
  38. Samantha Noll, MDAurora, CO 800451932543154
  39. Brigit Noon, MDDenver, CO 802041194353912
  40. Kristen Nordenholz, MDAurora, CO 800451568571818
  41. Joy NorrisPagosa Springs, CO 811471255776670
  42. Kent Northcote, M.D.Aurora, CO 800141992789051
  43. Dylan Norton, MDDurango, CO 813011487049730
  44. Paul Numsen, DOGrand Junction, CO 815011982636098
  45. Sharon O Connor, MDLittleton, CO 801221790750396
  46. Martin O'BryanEnglewood, CO 801131821074949
  47. Neal O'ConnorAurora, CO 800121063495778
  48. Marguerite O'Farrell, M.D.Englewood, CO 801131407090251
  49. Cole O'Hara, M.D.Fort Collins, CO 805241407099476
  50. Adam O'Mara, D.O.Greeley, CO 806311609161512

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.