NPPES file of Aug 9, 2026

Allergy & Immunology Physician in Oregon

43 NPPES records list allergy & immunology physician with a practice address in Oregon, 1 per 100,000 residents, the 30th highest rate of 51. Portland and Eugene have the most; each record links to the provider's NPI and the Oregon license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207K00000X · 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, 19

  1. Portland19
  2. Eugene6
  3. Salem5
  4. Clackamas3
  5. Tualatin3

Allergy & Immunology Physician records in Oregon

  1. Clifford Anderson, MDPortland, OR 972091013913409
  2. Karen Anstey, M.D.Portland, OR 972391457791261
  3. Kristyn Anthony, M.D.Tualatin, OR 970621326364753
  4. James Baker, MDPortland, OR 972231710982293
  5. Emil Bardana, MDPortland, OR 972391629175443
  6. Michael Barrett, M.D.Tigard, OR 972231497868145
  7. Raymond Brady, MDAstoria, OR 971031912975574
  8. Richard Buck, MDEugene, OR 974051730166828
  9. Donald Dibbern, M.D.Portland, OR 972051538227434
  10. Kenneth Ettinger, M.D.Portland, OR 972271972617330
  11. Jason Friesen, MDEugene, OR 974011043379860
  12. Stephen Fritz, MDHappy Valley, OR 970861881799963
  13. Fredrick Gill, M.D.Clackamas, OR 970151376556837
  14. June Hawkins, MDOregon City, OR 970451104809276
  15. Trevor Hodson, MDTualatin, OR 970621447839980
  16. Julie Hong, M.D.Portland, OR 972231609093871
  17. Andrew Hope, M.D.Salem, OR 973011003845934
  18. Haley Hostetler, M.D.Portland, OR 972391982022265
  19. Ryan Israelsen, M.D.Medford, OR 975041487910766
  20. Kraig Jacobson, M.D.Eugene, OR 974011255323515
  21. Shyam Joshi, M.D.Portland, OR 972391114364247
  22. Sarah Kehl, M.D.Eugene, OR 974011992835367
  23. Barzin Khalili, MDPortland, OR 972051487725990
  24. Chong Lee, M.D.Clackamas, OR 970151518073543
  25. Maxwell Li, M.D.Eugene, OR 974011114284015
  26. Jessica MacdougallPortland, OR 972391407345283
  27. Waseem Makhoul, MDClackamas, OR 970151588862312
  28. James McDonald, MDSalem, OR 973011811094717
  29. Laura Metzger, M.D.Salem, OR 973031770521833
  30. Anthony Montanaro, MDPortland, OR 972391720185598
  31. Michael Noonan, MDPortland, OR 972231124166244
  32. Michael Osborne, M.D.Portland, OR 972211225196421
  33. Gregory OwensPortland, OR 972391043439730
  34. Kursteen Price, MDPortland, OR 972101437154226
  35. Benjamin Rahoy, DOSalem, OR 973021659891281
  36. Renganathan Srinivasan, M.D.Portland, OR 972391396841169
  37. Cristina Swanson, M.D.Portland, OR 972391134562994
  38. Justin Treat, DOPortland, OR 972271801826516
  39. Charles Wagner, MDSalem, OR 973021366540742
  40. Lisa Wheatley, MDEugene, OR 974011982682811
  41. Adam Williams, M.D.Bend, OR 977011265433445
  42. Alexander Yu, MD, PHDBeaverton, OR 970051760614283
  43. Navid Ziaie, MDTualatin, OR 970621558821223

Source: CMS NPPES, primary taxonomy 207K00000X: records by practice city and the list of records, file of Aug 9, 2026.

Oregon ranks 30 of 51 per resident

  1. Wisconsin1.1
  2. Montana1.1
  3. Iowa1.0
  4. Oregon1.0
  5. Nebraska1.0
  6. New Hampshire1.0
  7. 50 states and D.C.1.2

Source: CMS NPPES, primary taxonomy 207K00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

69.8% of these records appear in a Medicare file, against 80.0% 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. Oregon69.8%
  2. United States80.0%

Allergy & Immunology Physician records in Oregon, measured

  • In a Medicare file30 of 43 · 69.8% here, 80.0% nationally
  • In the CMS Doctors and Clinicians file23 · 53.5% here, 65.7% nationally
  • Not updated in five years or more27 · 62.8% here, 57.3% nationally
  • Median graduation year2005 · the 23 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207K00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

43 NPPES records list allergy & immunology physician (207K00000X) as their primary taxonomy with a practice address in Oregon: 1 per 100,000 residents against 1.2 nationally (50 states and D.C.). Portland has 19 of them (44%).

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. Kansas37
  2. Indiana50
  3. Missouri36
  4. South Carolina50

States with a similar rate per 100,000

  1. Nebraska1.0
  2. Iowa1.0
  3. New Hampshire1.0
  4. Montana1.1

The largest states

  1. California444
  2. Texas327
  3. New York311
  4. Florida204
  5. Pennsylvania183

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.