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 23 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. Frank Littell, M.D.Springfield, OR 974771912974353
  2. Brian Little, D.O.Portland, OR 972201912987009
  3. Joshua Little, DOBend, OR 977021346746393
  4. Kellie Littlefield, D.O.Portland, OR 972391477896736
  5. Hana Litvin, MDPortland, OR 972101073192472
  6. Stanley Liu, MDPortland, OR 972131578958898
  7. Su Liu, M.D.Portland, OR 972271508109463
  8. Robert Livingston, MDPortland, OR 972091457480907
  9. Jefferson Loa, M.D.Corvallis, OR 973301336304773
  10. Darrell Lockwood, MDGresham, OR 970301255319497
  11. Nancy Loeb, MDPortland, OR 972251982631610
  12. Samuel Loeb, M.D.Portland, OR 972321508091521
  13. Laura Loertscher, MDPortland, OR 972251164528865
  14. Jacqueline Logan, MDSalem, OR 973011104905108
  15. Verni Logendran, DOPortland, OR 972331104205269
  16. Jessica Lohff-Phillips, D.OEugene, OR 974011760619506
  17. David Long, M.D.Newport, OR 973651598708455
  18. Lawrence Long, MDThe Dalles, OR 970581396735346
  19. Evita LopezAlbany, OR 973211194125732
  20. Yahaira Lopez Arredondo, MDPortland, OR 972331912203373
  21. Austin LorangerCorvallis, OR 973301952857591
  22. Thomas Lorence, M.D.Clackamas, OR 970151710090691
  23. Daniel Lotspeich, MDClackamas, OR 970151003038332
  24. Adam Loutfy, DOPortland, OR 972271447711429
  25. Ruth Lowengart, MDMedford, OR 975041528009370
  26. Eric Lu, MDPortland, OR 972391750705182
  27. Alan Lucas, M.D.McMinnville, OR 971281366860124
  28. Linda Lucas, M.D.Portland, OR 972391043252372
  29. Cora Ludwig, MDClackamas, OR 970151881856052
  30. Patrick Luedtke, M.D.Eugene, OR 874011972650638
  31. Minette Lukban, MDGrants Pass, OR 975271518287739
  32. Andrew Lum, M.D.Portland, OR 972321659384196
  33. Emily Lundstrom, MDPortland, OR 972101538746821
  34. Theresa Lundy, MDRoseburg, OR 974701578654661
  35. Collette Luttmer, M.D.Grants Pass, OR 975261972519767
  36. Samuel Luty, MDOregon City, OR 970451811496409
  37. Cara Lutze, M.D.Tualatin, OR 970621982920872
  38. Mitchell Luu, M.D.Clackamas, OR 970151063778793
  39. Vien Thao Luu, MDPortland, OR 972251124054663
  40. Ange Mong Ly, M.D.Gresham, OR 970301114248218
  41. Ben Ly, M. D.Portland, OR 972101760706709
  42. Hoa Ly, MDLincoln City, OR 973671912971904
  43. Maureen Lyons, MDPortland, OR 972391497019897
  44. Richard Macdonell, MDBend, OR 977031992745160
  45. Katherine Mackey, MDPortland, OR 972391700177011
  46. Susan Mackinnon, M.D.Medford, OR 975041104806140
  47. Nancy Macneal, M.D.Portland, OR 972251073551081
  48. Jennifer Macnichol, M.D.Portland, OR 972101437485372
  49. Michael Macveigh, MDPortland, OR 972091396873444
  50. Ellen Madnick, MDPortland, OR 972201457366957

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.