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 24 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. Kenneth Magee, M.D.Klamath Falls, OR 976031598867145
  2. Thamara Magloire, MDCorvallis, OR 973301407593213
  3. Fayyaz Mahmood, MDGresham, OR 970301790777050
  4. Danielle Mahon, D.O.Albany, OR 973211568705523
  5. Timothy Mahoney, M.D.Salem, OR 973051568562239
  6. Tuyet Nhi Mai, MDPortland, OR 972131194510222
  7. Mark Mailhot, MDPortland, OR 972321861534075
  8. Jennifer Maire, D.O.Corvallis, OR 973301902293459
  9. Camilia Makhyoun, D.O.Corvallis, OR 973301902265762
  10. Sohil Makwana, MD, MPHGresham, OR 970301487949582
  11. Alexandra Malesz, DO MPHPortland, OR 972251578198388
  12. John Malleis, MDMedford, OR 975041144511643
  13. Sasha Mallett, MD MPHPortland, OR 972201275899122
  14. Jessica Malone, M.D.Corvallis, OR 973301619263035
  15. Rejeesh Menon Manchezhathu Rajagopalamenon, MDLincoln City, OR 973671720424476
  16. Steven Mandelblatt, M.D.Portland, OR 972201427092139
  17. Steven Maness, M.D.Gresham, OR 970301700872785
  18. Mary Manfredi, MDBend, OR 977011376567388
  19. Daniel Mangum, DOTigard, OR 972231710055322
  20. Sally Mangum, D.O.Corvallis, OR 973301912351917
  21. Leonard Mankin, MDPortland, OR 972101710992201
  22. Sarbmeet MannSpringfield, OR 974771902320039
  23. James Manning, MDPortland, OR 972101477618254
  24. Jason Mannion, M.D.Clackamas, OR 970151467847681
  25. Vishnu Manoranjan, MDBeaverton, OR 970061235667320
  26. Richard Manthey, MDPortland, OR 972201639120314
  27. Sidra ManzoorEugene, OR 974021821510504
  28. Humza Maqbool, MDSeaside, OR 971381003334368
  29. Christina Marcus, M.D.Portland, OR 972251326450917
  30. Thomas Margulies, M.D.Medford, OR 975011477575835
  31. Daniel Marier, MDPendleton, OR 978011528058369
  32. Daniel Markowski, MDClackamas, OR 970151184155335
  33. Graeme Marquez, MBBSSpringfield, OR 974781245801588
  34. Misael Marquez, M.D.Coos Bay, OR 974201922088426
  35. Curtis Marr, M.D.Portland, OR 972101669447264
  36. Brian MarshallCorvallis, OR 973301407475007
  37. Angela Marshall-Olson, D.O.Portland, OR 972101841493988
  38. Cynthia Marske, DOCorvallis, OR 973301891721023
  39. Austin Martin, MDCorvallis, OR 973301477498285
  40. James Martin, MDJunction City, OR 974481366542847
  41. Katie MartinGrand Ronde, OR 973471770970998
  42. Kenneth Martin, M.D.Tigard, OR 972241902875016
  43. James Martinson, M.D.Portland, OR 972251144232554
  44. Briana Martiszus, DOCorvallis, OR 973301386305613
  45. Nanette Marty, MDPortland, OR 972021841206448
  46. Frank Marx, MDKlamath Falls, OR 976011942296678
  47. David Maslen, MDMilwaukie, OR 972221033192521
  48. Leeda Mathew, DOLebanon, OR 973551518311299
  49. Dylan Mathis, DOGrants Pass, OR 975271922748102
  50. Paul Matson, MDPortland, OR 972391588741821

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.