NPPES file of Aug 9, 2026

Infectious Disease Physician in Oregon

127 NPPES records list infectious disease physician with a practice address in Oregon, 3 per 100,000 residents, the 19th highest rate of 51. Portland and Salem have the most; each record links to the provider's NPI and the Oregon license search. Page 2 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RI0200X · 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, 78

  1. Portland78
  2. Salem8
  3. Bend7
  4. Clackamas7
  5. Springfield7

Infectious Disease Physician records in Oregon

  1. Joseph Kane, M.D.Clackamas, OR 970151881607281
  2. Brian Kendall, MDPortland, OR 972131104017052
  3. Freda Kerman, M.D.Clackamas, OR 970151841203213
  4. Naveera Khan, MBBSGrants Pass, OR 975271801470778
  5. Porntip Kiatsimkul, MDCorvallis, OR 973301205099082
  6. Julia Kostka, MDMedford, OR 975041295398782
  7. Rachel Lanasa, M.D.Portland, OR 972131265875165
  8. Brian Lauer, MDPortland, OR 972251356330377
  9. Peter Leahey, M.D.Portland, OR 972271104143726
  10. James Leggett, MDPortland, OR 972131538165279
  11. Andrew Leitz, M.D.Portland, OR 972391740423334
  12. Zouyan Lu, M.D.Portland, OR 972391669796140
  13. Robert Lusk, MDHillsboro, OR 971241649276239
  14. Jon Lutz, MDBend, OR 977011740385426
  15. Julieta Madrid Morales, MDSalem, OR 973011801457353
  16. Marissa MaierPortland, OR 972391346446119
  17. Oana MajorantMedford, OR 975041518205103
  18. Jina Makadia, M.D.Portland, OR 972391548558117
  19. Patrick Mallea, MDSpringfield, OR 974771265000707
  20. Cynthia Maree, M.D.Bend, OR 977011225063506
  21. Jennifer Marfori, MDPortland, OR 972251407802143
  22. Kieren MarrPortland, OR 972391104916055
  23. Hanna MatthewsPortland, OR 972391780496075
  24. George Mejicano, MDPortland, OR 972391083680979
  25. David Merz, MD, PHDPortland, OR 972161598725640
  26. William Messer, M.D. PH.D.Portland, OR 972391508085739
  27. Imran Mohamedy, MDPortland, OR 972251841226255
  28. Zoe Muller, M.DSalem, OR 973021497052393
  29. Melissa Murphy, MDPortland, OR 972391497763916
  30. William Muth, MDCorvallis, OR 973301598853822
  31. Hien Nguyen, M.D.Clackamas, OR 970151659441699
  32. Victor Nwanguma, M.D.Bend, OR 977011366601387
  33. Melissa Nyendak, MDPortland, OR 972391851506299
  34. Brenda Ormesher, MDSpringfield, OR 974771922267384
  35. Anne Palumbo, DORoseburg, OR 974711396731709
  36. Roberto Patron, MDPortland, OR 972131962437780
  37. Robert Pelz, M.D.Springfield, OR 974771235106386
  38. Kialing Perez, MDSpringfield, OR 974771952501744
  39. Tara Perti, MDSpringfield, OR 974771952438814
  40. Christopher Pfeiffer, M.D., M.H.S.Portland, OR 972391760440044
  41. Rachel Plotinsky, MDPortland, OR 972251003965948
  42. Arathi Prabha Kumar, MDMedford, OR 975041497490825
  43. Jill Provaznik, MDCorvallis, OR 973301992185995
  44. Tobias Pusch, M.D.Portland, OR 972251811189632
  45. Ruth Rabinovitch, M.D.Medford, OR 975041376521302
  46. Namrata Ragade, M.D.Portland, OR 972291518996198
  47. Poornima Ramanan, MDPortland, OR 972391902138985
  48. Keith Riley, M.D.Clackamas, OR 970151609983766
  49. Rey Rivera, M.D.Springfield, OR 974771508098286
  50. Brad Robinson, MD MPHRoseburg, OR 974711972688828

Source: CMS NPPES, primary taxonomy 207RI0200X: records by practice city and the list of records, file of Aug 9, 2026.

Oregon ranks 19 of 51 per resident

  1. Nebraska3.1
  2. Delaware3.1
  3. Colorado3.1
  4. Oregon3.0
  5. Michigan3.0
  6. Ohio3.0
  7. 50 states and D.C.3.2

Source: CMS NPPES, primary taxonomy 207RI0200X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

74.0% of these records appear in a Medicare file, against 79.0% 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. Oregon74.0%
  2. United States79.0%

Infectious Disease Physician records in Oregon, measured

  • In a Medicare file94 of 127 · 74.0% here, 79.0% nationally
  • In the CMS Doctors and Clinicians file88 · 69.3% here, 68.4% nationally
  • Not updated in five years or more78 · 61.4% here, 56.5% nationally
  • Median graduation year2007 · the 88 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RI0200X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

127 NPPES records list infectious disease physician (207RI0200X) as their primary taxonomy with a practice address in Oregon: 3 per 100,000 residents against 3.2 nationally (50 states and D.C.). Portland has 78 of them (61%).

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. Louisiana128
  2. Puerto Rico120
  3. South Carolina119
  4. Alabama112

States with a similar rate per 100,000

  1. Michigan3.0
  2. Ohio3.0
  3. Vermont2.9
  4. Hawaii2.9

The largest states

  1. California1,119
  2. New York970
  3. Florida760
  4. Texas674
  5. Pennsylvania545

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.