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 2 of 43.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · 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, 889

  1. Portland889
  2. Corvallis129
  3. Clackamas101
  4. Bend97
  5. Salem86

Internal Medicine Physician records in Oregon

  1. Erika Anderson, MDBend, OR 977011346560356
  2. Harold Anderson, M.D.Roseburg, OR 974701073674354
  3. Thomas Anderson, M.D.Portland, OR 972391497786081
  4. Amy Anderton, MDPortland, OR 972271568802361
  5. Susan Anduaga Bocanegra, MDBeaverton, OR 970051316331259
  6. Maile Anslinger, M.D.The Dalles, OR 970581194774208
  7. Lee Anthony, MDPortland, OR 972251336551555
  8. Andris Antoniskis, MDPortland, OR 972131528067972
  9. Valentina Antonova, MDHillsboro, OR 971241760642565
  10. Ryan Apathy, MDPortland, OR 972251689426157
  11. Richard Apau, MDHillsboro, OR 971231326114943
  12. Joanna Marie Aquino-Laban, M.D.Springfield, OR 974771336435536
  13. Hamid Arain, DOCorvallis, OR 973301356086250
  14. Marina Arbuck, M.D.Corvallis, OR 973301992894851
  15. Sara Archer, MDPortland, OR 972391598279564
  16. Alexandra Armstrong, M.D.Warrenton, OR 971461629242730
  17. Andrew Armstrong, MDAlbany, OR 973211023500568
  18. Michael Armstrong, DOClackamas, OR 970151740742337
  19. Samuel Arnot, DOCorvallis, OR 973301003529439
  20. Anupam Arora, MDLebanon, OR 973551861620254
  21. Oliver Arquero, MDPortland, OR 972131962713776
  22. Luke ArsenaultCorvallis, OR 973301689420929
  23. Cibi Arumugam, M.D.Portland, OR 972271376822742
  24. Shikha Arun, MDPortland, OR 972131306881834
  25. Dennis Asby, M.D.Portland, OR 972131538235437
  26. Lisa Ashcraft, MDClackamas, OR 970151801851746
  27. Sanaz Askari, D.O.Bend, OR 977011437248358
  28. Steven Athay, M.D.Corvallis, OR 973301477502375
  29. Paavani Atluri, M.D.Coquille, OR 974231538424346
  30. Barbara Atwood, MD LLCHermiston, OR 978381396852760
  31. Tin Zar AungTualatin, OR 970621194019190
  32. Kathrine Avison, MDPortland, OR 972131124126636
  33. Mohan Avula, DOCorvallis, OR 973301003605387
  34. Karen Axten, M.D.Bend, OR 977011295199404
  35. Afaf Azar, MDPortland, OR 972391174883565
  36. Leesa Azar, MDPortland, OR 972251629012315
  37. Michael Azorr, M.D.Portland, OR 972201902134323
  38. Michele BabaiePortland, OR 972111497737662
  39. Benjamin Babb, M.D.Portland, OR 972251417301151
  40. Jane Babiarz, MDPortland, OR 972391447646088
  41. Keith Bachman, M.D.Portland, OR 972271528177169
  42. Hannah Bachrach, DOPortland, OR 972101518593409
  43. Nathan Bachtell, MDPortland, OR 972251518902964
  44. Mark Backus, M.D.Bend, OR 977011588693105
  45. Yara Christina BadrakhanPortland, OR 972101093393688
  46. Aman Bagla, D.O.Portland, OR 972101467771188
  47. Alistair Bahar, M.D.Portland, OR 972271306918842
  48. Alison Bahr, MDPortland, OR 972101609034545
  49. Shahana Baig-Lewis, M.D.Portland, OR 972251982066858
  50. George Bailey, MDMedford, OR 975041447346457

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.