NPPES file of Aug 9, 2026

Neurological Surgery Physician in Colorado

175 NPPES records list neurological surgery physician with a practice address in Colorado, 3 per 100,000 residents, the 14th highest rate of 51. Aurora and Denver have the most; each record links to the provider's NPI and the Colorado license search. Page 4 of 4.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207T00000X · method

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

Aurora has the most, 50

  1. Aurora50
  2. Denver29
  3. Colorado Springs21
  4. Englewood9
  5. Littleton7

Neurological Surgery Physician records in Colorado

  1. Jeffrey Thramann, MDBoulder, CO 803041740229236
  2. Larry Tice, MDFruita, CO 815211942213475
  3. Christopher Traut, PA-CPueblo, CO 810031407249188
  4. Vadim Tsvankin, MDAurora, CO 800451114260320
  5. Donn Turner, MDFort Collins, CO 805241316975022
  6. Timothy Ung, M.D.Aurora, CO 800451487017778
  7. David Vansickle, M.D.Littleton, CO 801221639216997
  8. Alan Villavicencio, MDLongmont, CO 805011720033939
  9. Frank Walch, MD, MBALafayette, CO 800261396131017
  10. Amy WangAurora, CO 800451578023578
  11. James Warson, MDFort Collins, CO 805241417247164
  12. Catherine Wassef, MDAurora, CO 800451548624976
  13. Allen Waziri, MDAurora, CO 800451184897019
  14. Brian Wieder, M.D.Greeley, CO 806311902841562
  15. Charles Wilkinson, MDAurora, CO 800451457444804
  16. Ken Winston, MDDenver, CO 802041659464006
  17. Timothy Wirt, MDFort Collins, CO 805241992741839
  18. Jens-Peter Witt, MDDenver, CO 802181306863386
  19. Brian Witwer, MDGrand Junction, CO 815011982698148
  20. James Wolter, M.D.Denver, CO 802051679517601
  21. Michael Yang, MDAurora, CO 800451962908368
  22. Tareq YaseenAurora, CO 800451104406370
  23. Elise Yoon, D.O.Aurora, CO 800451912561119
  24. Ashraf Youssef, M.D.Aurora, CO 800451629249818
  25. Douglas Zoerner, MDLone Tree, CO 801241952861320

Source: CMS NPPES, primary taxonomy 207T00000X: records by practice city and the list of records, file of Aug 9, 2026.

Colorado ranks 14 of 51 per resident

  1. Illinois3.0
  2. Connecticut3.0
  3. Wisconsin3.0
  4. Colorado3.0
  5. Washington3.0
  6. South Dakota2.9
  7. 50 states and D.C.2.6

Source: CMS NPPES, primary taxonomy 207T00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

73.7% of these records appear in a Medicare file, against 78.8% 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. Colorado73.7%
  2. United States78.8%

Neurological Surgery Physician records in Colorado, measured

  • In a Medicare file129 of 175 · 73.7% here, 78.8% nationally
  • In the CMS Doctors and Clinicians file110 · 62.9% here, 65.8% nationally
  • Not updated in five years or more92 · 52.6% here, 52.5% nationally
  • Median graduation year2006 · the 110 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207T00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

175 NPPES records list neurological surgery physician (207T00000X) as their primary taxonomy with a practice address in Colorado: 3 per 100,000 residents against 2.6 nationally (50 states and D.C.). Aurora has 50 of them (29%).

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. Minnesota174
  2. Wisconsin176
  3. Maryland163
  4. New Jersey190

States with a similar rate per 100,000

  1. Washington3.0
  2. Connecticut3.0
  3. Illinois3.0
  4. South Dakota2.9

The largest states

  1. California929
  2. Texas669
  3. Florida644
  4. New York529
  5. Pennsylvania447

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.