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 23 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. Cynthia Ruggero, M.D.Aurora, CO 800141396722856
  2. Richard Ruiter, MDSalida, CO 812011578624060
  3. Darcy Rumberger DenegreDurango, CO 813011659683548
  4. Adam RushLongmont, CO 805011881835379
  5. Brian Russ, D.O.Colorado Springs, CO 809091144683434
  6. Sunniva Russell, M.D.Aurora, CO 800141063499945
  7. Mary Russo, DOPueblo, CO 810031023421864
  8. David Rutherford, DOLafayette, CO 800261750318622
  9. Michael Ruygrok, MDDenver, CO 802041487944344
  10. Jordan Ryan, MDDenver, CO 802181861791196
  11. Mary Ryan, MDDenver, CO 802041114677481
  12. Susan RyanDenver, CO 802201316924293
  13. Jessica Ryder, MDAurora, CO 800451821592932
  14. Aubtin SaediDenver, CO 802181265060107
  15. Ethan SafferLa Jara, CO 811401518496355
  16. Clarice Sage, MDBreckenridge, CO 804241891729117
  17. Omeed Saghafi, M.D.Denver, CO 802041417274044
  18. David SaintsingBoulder, CO 803021366556482
  19. Richard SaizAurora, CO 800121851378731
  20. Marcus Salmen, M.D.Glenwood Springs, CO 816011972862274
  21. Jeremy SalsbergFort Collins, CO 805241104168350
  22. Matthew Salzberg, M.D.Aurora, CO 800451699194233
  23. Linda Sanders, M.D.Colorado Springs, CO 809091912340191
  24. Barry Sandler, DOEdwards, CO 816321992782874
  25. Miguel Sandoval, M.D.Colorado Springs, CO 809091992061030
  26. Jeffrey Sankoff, MDDenver, CO 802041285743534
  27. Annie Sarid, M.D.Aurora, CO 800451346560190
  28. Comilla Sasson, MDAurora, CO 800451508962036
  29. George SassuAurora, CO 800121497738066
  30. Randall Sato, M.D.Boulder, CO 803041982681854
  31. Jonathon Savage, DODenver, CO 802471972566107
  32. Kathleen Saxon, MDDenver, CO 802181346476231
  33. Steven Schauer, DOAurora, CO 800451467773556
  34. Timothy Scheel, D.O.Fort Collins, CO 805241619357472
  35. Nathan Scherer, DOLittleton, CO 801201770742694
  36. Alexander SchermerDurango, CO 813011457351397
  37. Robert Schiermeyer, M.D.Englewood, CO 801131891766960
  38. Nicholas Schimmel, DOParker, CO 801381073259677
  39. Michael SchlegelBoulder, CO 803031740252220
  40. Robert Schmidt, MDLakewood, CO 802281063486678
  41. Beth Schmitz, M.D.Colorado Springs, CO 809091457482846
  42. John Schmitz, MDDenver, CO 802181093383465
  43. John Schnabel, MDDenver, CO 802161336103027
  44. Lawrence Schneider, MDRifle, CO 816501508805359
  45. Robert Schoenfeld, MDGreenwood Village, CO 801111013533538
  46. Stephan Schrager, MDAurora, CO 800451013965565
  47. Michael Schuett, MDLittleton, CO 801221245205095
  48. Christopher SchultzThornton, CO 802291679834600
  49. Kenneth Schultz, MDDenver, CO 802041538412028
  50. Ryan Schumacher, DOFrisco, CO 804431831726207

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.