NPPES file of Aug 9, 2026

Orthopaedic Trauma Physician in Colorado

18 NPPES records list orthopaedic trauma physician with a practice address in Colorado, 0.3 per 100,000 residents, the 15th highest rate of 51. Denver and Aurora have the most; each record links to the provider's NPI and the Colorado license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207XX0801X · 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, 6

  1. Denver6
  2. Aurora4
  3. Fort Collins3
  4. Frisco1
  5. Grand Junction1

Orthopaedic Trauma Physician records in Colorado

  1. Nicholas Alfonso, M.D.Aurora, CO 800451467895219
  2. Darryl Auston, MD PHDThornton, CO 802291962637983
  3. Robert Baer, MDFort Collins, CO 805251003881897
  4. Gary Benedetti, M.D.Frisco, CO 804431598746604
  5. Duwayne Carlson, MDGrand Junction, CO 815051538257746
  6. George Chaus, M.D.Longmont, CO 805031811138720
  7. Jamie EngelPueblo, CO 810031669714671
  8. Melissa Gorman, M.D.Aurora, CO 800451114066073
  9. Austin Heare, M.D.Denver, CO 802041811253347
  10. Justin Hellwinkel, MDDenver, CO 802041124587910
  11. Cyril Mauffrey, MD, FRCSDenver, CO 802041730482977
  12. Mark McFerran, MDFort Collins, CO 805251578546719
  13. Keenan Onodera, MDDenver, CO 802041023671146
  14. Michael Rusnak, MDFort Collins, CO 805251255521563
  15. Nathaniel Schaffer, MD, PHDDenver, CO 802041679001747
  16. Philip Stahel, MDDenver, CO 802041679512032
  17. Jason Stoneback, MDAurora, CO 800451750428017
  18. Daniel Wang, MDAurora, CO 800451750842688

Source: CMS NPPES, primary taxonomy 207XX0801X: records by practice city and the list of records, file of Aug 9, 2026.

Colorado ranks 15 of 51 per resident

  1. Tennessee0.3
  2. Oklahoma0.3
  3. Iowa0.3
  4. Colorado0.3
  5. Mississippi0.3
  6. Ohio0.3
  7. 50 states and D.C.0.3

Source: CMS NPPES, primary taxonomy 207XX0801X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

94.4% of these records appear in a Medicare file, against 92.5% 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. Colorado94.4%
  2. United States92.5%

Orthopaedic Trauma Physician records in Colorado, measured

  • In a Medicare file17 of 18 · 94.4% here, 92.5% nationally
  • In the CMS Doctors and Clinicians file16 · 88.9% here, 86.3% nationally
  • Not updated in five years or more5 · 27.8% here, 41.9% nationally
  • Median graduation year2009 · the 16 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207XX0801X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

18 NPPES records list orthopaedic trauma physician (207XX0801X) as their primary taxonomy with a practice address in Colorado: 0.3 per 100,000 residents against 0.3 nationally (50 states and D.C.). Denver has 6 of them (33%).

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. Illinois18
  2. New Jersey18
  3. Massachusetts19
  4. Maryland17

States with a similar rate per 100,000

  1. Iowa0.3
  2. Ohio0.3
  3. California0.3
  4. Florida0.3

The largest states

  1. California114
  2. Texas76
  3. Florida66
  4. New York51
  5. Washington36

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.