NPPES file of Aug 9, 2026

Pediatric Hematology & Oncology Physician in Oregon

36 NPPES records list pediatric hematology & oncology physician with a practice address in Oregon, 0.9 per 100,000 residents, the 29th highest rate of 50. Portland and Ashland 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 2080P0207X · method

Portland has the most, 32

Pediatric Hematology & Oncology Physician records in Oregon

  1. Werner Bleyer, M.D.Bend, OR 977011952589772
  2. Donna Bradshaw, MDAshland, OR 975201952390593
  3. John Carter, M.D., PH.DPortland, OR 972391447426077
  4. Natalie Cassell, M.D.Portland, OR 972391265850887
  5. Billy Chang, MD, PHDPortland, OR 972391710921739
  6. Matthew Dietz, D.O.Portland, OR 972391386986909
  7. Ryan Fox-Lee, MD, JDPortland, OR 972391770169518
  8. Faith Galderisi, DOPortland, OR 972271750596177
  9. Jason Glover, MDPortland, OR 972271053526210
  10. Kristina Haley, DOPortland, OR 972391366608911
  11. James Jacobs, MD, MPHPortland, OR 972271679785471
  12. Thomas Lamkin, MDPortland, OR 972391033127576
  13. Colette Lauhan, M.D.Portland, OR 972271033529136
  14. Susan Lindemulder, MDPortland, OR 972391770506131
  15. Jamie Loutfy, DOPortland, OR 972391780176974
  16. Suman Malempati, MDPortland, OR 972391346255858
  17. Marie Martinelli, M.D.Portland, OR 972391720353055
  18. Kellie Nazemi, M.D.Portland, OR 972391760449904
  19. Eneida Nemecek, MDPortland, OR 972391538174024
  20. Janice Olson, M.D.Portland, OR 972271013976265
  21. Kellee Parker, D.O.Portland, OR 972391700205077
  22. Neha Patel, M.D.Portland, OR 972391205951126
  23. Ellen Plummer, MDMedford, OR 975041699965053
  24. Ronald Prauner, M.D.Portland, OR 972271104885409
  25. Stephen Roberts, M.D.Portland, OR 972391154527604
  26. Krysta Schlis, M.D.Portland, OR 972391982809729
  27. Evan Shereck, MDPortland, OR 972141184742140
  28. Allison Simpson, DOPortland, OR 972391962964577
  29. Linda Stork, MDPortland, OR 972391902811425
  30. Gregory Thomas, MDPortland, OR 972391275541716
  31. Robert Trueworthy, MDPortland, OR 972391366554438
  32. Diane Williams, MDAshland, OR 975201750370391
  33. Katrina Winsnes, M.DPortland, OR 972391750657318
  34. Lawrence Wolff, MDPortland, OR 972391629084173
  35. Trisha Wong, MDPortland, OR 972391407967912
  36. Melinda WuPortland, OR 972391386818862

Source: CMS NPPES, primary taxonomy 2080P0207X: records by practice city and the list of records, file of Aug 9, 2026.

Oregon ranks 29 of 50 per resident

  1. Georgia0.9
  2. Alabama0.9
  3. Nebraska0.9
  4. Oregon0.9
  5. North Carolina0.8
  6. Hawaii0.8
  7. 50 states and D.C.1.1

Source: CMS NPPES, primary taxonomy 2080P0207X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

44.4% of these records appear in a Medicare file, against 50.9% 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. Oregon44.4%
  2. United States50.9%

Pediatric Hematology & Oncology Physician records in Oregon, measured

  • In a Medicare file16 of 36 · 44.4% here, 50.9% nationally
  • In the CMS Doctors and Clinicians file14 · 38.9% here, 31.2% nationally
  • Not updated in five years or more27 · 75.0% here, 54.5% nationally
  • Median graduation year2001 · the 14 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0207X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

36 NPPES records list pediatric hematology & oncology physician (2080P0207X) as their primary taxonomy with a practice address in Oregon: 0.9 per 100,000 residents against 1.1 nationally (50 states and D.C.). Portland has 32 of them (89%).

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. Connecticut37
  2. South Carolina37
  3. Utah34
  4. Louisiana31

States with a similar rate per 100,000

  1. Nebraska0.9
  2. Alabama0.9
  3. North Carolina0.8
  4. Georgia0.9

The largest states

  1. California417
  2. Texas319
  3. New York289
  4. Pennsylvania218
  5. Massachusetts197

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.