NPPES file of Aug 9, 2026

Orthopaedic Surgery Physician in Oregon

335 NPPES records list orthopaedic surgery physician with a practice address in Oregon, 7.9 per 100,000 residents, the 26th highest rate of 51. Portland and Corvallis have the most; each record links to the provider's NPI and the Oregon license search. Page 7 of 7.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207X00000X · method

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

Portland has the most, 70

  1. Portland70
  2. Corvallis36
  3. Salem23
  4. Eugene20
  5. Medford12

Orthopaedic Surgery Physician records in Oregon

  1. Corey Vande Zandschulp, M.D.Lake Oswego, OR 970351477567402
  2. James Vanolst, MDCorvallis, OR 973331861762445
  3. Luis Vela, DOCorvallis, OR 973301891773685
  4. Michael Vessely, MDMcMinnville, OR 971281831260678
  5. Maria Vlachou, MDPortland, OR 972391801924097
  6. Mark Wagner, M.D.Tigard, OR 972241891710869
  7. David Waldram, M.D.Powell Butte, OR 977531730505488
  8. Christopher Walton, MDEugene, OR 974011437159498
  9. Donald Warren, M.D.La Grande, OR 978501518967173
  10. Bruce Watanabe, M.D.Florence, OR 974391497798367
  11. Alan Webb, M.D.Medford, OR 975041023050275
  12. Michelle Welborn, MDPortland, OR 972391821257718
  13. Karl Wenner, MDKlamath Falls, OR 976011659393759
  14. Alan Whitney, MDCoos Bay, OR 974201396792784
  15. James Whittum, MDHermiston, OR 978381750321089
  16. Susan Williams, MDRoseburg, OR 974711558395053
  17. Robert Wilson, MDTigard, OR 972241457353179
  18. Michael Wilwand, DOKlamath Falls, OR 976011861604217
  19. Benjamin Winston, MDHillsboro, OR 971241740523265
  20. Ronald Wobig, MDCorvallis, OR 973301306834601
  21. Robert Wood, DOCorvallis, OR 973301356921845
  22. Derrek Woodbury, DOBend, OR 977011235493099
  23. Anthony Woodward, MDPortland, OR 972191962680553
  24. John Wright, M.D.Gold Beach, OR 974441346349362
  25. Thomas Wuest, MDEugene, OR 974011669472635
  26. Zhiqing Xing, M.D.Hermiston, OR 978381417129339
  27. Carolyn Yang, M.D.Portland, OR 972131649321217
  28. Eric Yao, MDStayton, OR 973831386616936
  29. Nancy Yen Shipley, MDPortland, OR 972251669681573
  30. Marilyn Yodlowski, M.D.Lake Oswego, OR 970351124290820
  31. Scott Young, M.D.Portland, OR 972271154434041
  32. Austin YuCorvallis, OR 973301104610476
  33. George Zakaib, MDMcMinnville, OR 971281740391424
  34. Monica Zilkoski, MDEugene, OR 974011689759698
  35. Robert Zirschky, MDSalem, OR 973011508883075

Source: CMS NPPES, primary taxonomy 207X00000X: records by practice city and the list of records, file of Aug 9, 2026.

Oregon ranks 26 of 51 per resident

  1. Iowa8.0
  2. Colorado8.0
  3. Illinois7.9
  4. Oregon7.9
  5. Ohio7.8
  6. Utah7.8
  7. 50 states and D.C.7.4

Source: CMS NPPES, primary taxonomy 207X00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

61.2% of these records appear in a Medicare file, against 76.5% 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. Oregon61.2%
  2. United States76.5%

Orthopaedic Surgery Physician records in Oregon, measured

  • In a Medicare file205 of 335 · 61.2% here, 76.5% nationally
  • In the CMS Doctors and Clinicians file165 · 49.3% here, 62.5% nationally
  • Not updated in five years or more196 · 58.5% here, 56.8% nationally
  • Median graduation year2002 · the 165 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207X00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

335 NPPES records list orthopaedic surgery physician (207X00000X) as their primary taxonomy with a practice address in Oregon: 7.9 per 100,000 residents against 7.4 nationally (50 states and D.C.). Portland has 70 of them (21%).

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. Louisiana336
  2. Alabama340
  3. Connecticut348
  4. Kentucky364

States with a similar rate per 100,000

  1. Illinois7.9
  2. Ohio7.8
  3. Colorado8.0
  4. Iowa8.0

The largest states

  1. California2,276
  2. Texas1,514
  3. Florida1,470
  4. New York1,339
  5. Pennsylvania1,253

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.