NPPES file of Aug 9, 2026

Internal Medicine Physician in Oregon

2,116 NPPES records list internal medicine physician with a practice address in Oregon, 50 per 100,000 residents, the 13th highest rate of 51. Portland and Corvallis have the most; each record links to the provider's NPI and the Oregon license search. Page 42 of 43.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · method

Portland has the most, 889

Internal Medicine Physician records in Oregon

  1. Thomas Wimmer, MDTualatin, OR 970621083725097
  2. Craig Winkler, MDSpringfield, OR 974771588625933
  3. Todd Winter, MDMedford, OR 975041184621559
  4. Lisa Winterbottom, MDPortland, OR 972391053417121
  5. Robert Wirth, M.D.Corvallis, OR 973301205887734
  6. Jennifer Wise, MDKlamath Falls, OR 976011255326252
  7. Richard Wise, MDPortland, OR 972391215043245
  8. David Witkin, M.D.Eugene, OR 974011649289810
  9. Melaura Wittemyer, MDPortland, OR 972251932114436
  10. Dena Witthaus, D.O.Portland, OR 972331528354966
  11. Nicolai Wohns, M.D.Lincoln City, OR 973671801207279
  12. Edward Wolf, M.D.Corvallis, OR 973301336190875
  13. Deborah Wolfson, M.D.Newberg, OR 971321285666594
  14. Joel WomackClackamas, OR 970151093058554
  15. Jennifer Wong, DOPortland, OR 972251073365540
  16. John Woo, M.D.Clackamas, OR 970151962504266
  17. See Woo, MDPortland, OR 972101588759526
  18. Charles Wood, MDPortland, OR 972131902961907
  19. Daniel Wood, DOCentral Point, OR 975021225778855
  20. Kenna Wood, D.O.Portland, OR 972101336460567
  21. Richard Woods, MDSalem, OR 973061457464133
  22. Lorraine Woskow, MDPortland, OR 972191386612430
  23. Mark Wozniak, MDClackamas, OR 970151972610095
  24. Eric Wright, MDClackamas, OR 970151699936930
  25. Esther Wright, DOPortland, OR 972131538551445
  26. Kelly Wright, MDPortland, OR 972021407083215
  27. Maureen Wright, M.D.Gresham, OR 970301952497307
  28. Michelle Wyatt, M.D.Eugene, OR 974081699713412
  29. Shyama Yallapragada, DOCorvallis, OR 973301477349637
  30. Melvin Yamase, M.D.Canby, OR 970131386672475
  31. Anthony YangHillsboro, OR 971241790288736
  32. Wei-Lin Yang, D.O.Clackamas, OR 970151265722367
  33. Ati Yates, MDGold Beach, OR 974441285753210
  34. Jennifer Yeast, D.O.Portland, OR 972191285996926
  35. Tatyana Yefremova, D.O.Portland, OR 972271306041637
  36. Julie Yeggy, MDPortland, OR 972271770550626
  37. Hsiang-Sen Yeh, M.D.Eugene, OR 974041770698490
  38. Susan Yeh, MDPortland, OR 972191023025152
  39. Duncan York, MDPortland, OR 972161184666471
  40. Sarah York, MDClackamas, OR 970151497976807
  41. Monica Yoshinaga, M.D.Portland, OR 972101447358734
  42. Jeffrey Youker, M.D.Portland, OR 972251669791570
  43. Brandon Young, M.D.Oregon City, OR 970451932546504
  44. Daniel Young, MDPortland, OR 972391174143572
  45. Darren Young, M.D.Portland, OR 972251548466873
  46. Ellen Young, MDBend, OR 977011760408850
  47. Wendy Yu, MDPortland, OR 972251184016099
  48. Jin Yun, DOPortland, OR 972131568907491
  49. Paul Yutan, M.D.Lake Oswego, OR 970351114963196
  50. Salman Zahid, MDMilwaukie, OR 972221790303618

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Oregon ranks 13 of 51 per resident

  1. Michigan57
  2. Pennsylvania56
  3. Vermont50
  4. Oregon50
  5. New Jersey50
  6. New Hampshire48
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

72.8% of these records appear in a Medicare file, against 78.7% 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. Oregon72.8%
  2. United States78.7%

Internal Medicine Physician records in Oregon, measured

  • In a Medicare file1,540 of 2,116 · 72.8% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file1,232 · 58.2% here, 61.4% nationally
  • Not updated in five years or more1,234 · 58.3% here, 55.4% nationally
  • Median graduation year2008 · the 1,232 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,116 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Oregon: 50 per 100,000 residents against 44 nationally (50 states and D.C.). Portland has 889 of them (42%).

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. Indiana2,109
  2. Wisconsin2,078
  3. Colorado2,046
  4. South Carolina1,881

States with a similar rate per 100,000

  1. American Samoa50.1
  2. New Jersey49.9
  3. Vermont50.4
  4. New Hampshire48.0

The largest states

  1. California17,696
  2. New York12,067
  3. Florida10,151
  4. Texas9,175
  5. Pennsylvania7,300

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.