NPPES file of Aug 9, 2026

Pediatric Surgery Physician in Oregon

21 NPPES records list pediatric surgery physician with a practice address in Oregon, 0.5 per 100,000 residents, the 16th highest rate of 50. Portland and Springfield 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 2086S0120X · 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. Springfield2

Pediatric Surgery Physician records in Oregon

  1. Kenneth Azarow, MDPortland, OR 972391235119561
  2. Marilyn Butler, MDPortland, OR 972391093788507
  3. Sonia Butterworth, MDPortland, OR 972251821181884
  4. John Campbell, M.D.Portland, OR 972391740470681
  5. Jeannie Chun, M.D.Portland, OR 972251639128499
  6. Elizabeth Fialkowski, MDPortland, OR 972391659497709
  7. Colin Gause, MDPortland, OR 972251801152509
  8. Cynthia Gingalewski, MDPortland, OR 972271043300502
  9. Nicholas Hamilton, M.D.Portland, OR 972391811013840
  10. Marvin Harrison, MDPortland, OR 972391558379016
  11. Mary Helikson, MDPortland, OR 972251295761633
  12. Mubeen Jafri, MDPortland, OR 972271245433184
  13. Sanjay Krishnaswami, MDPortland, OR 972391427063924
  14. Kenneth Pippus, MDPortland, OR 972251801982764
  15. Trae RobisonPortland, OR 972271437610185
  16. Alejandro Ruiz-Elizalde, M.D.Portland, OR 972251184873820
  17. Kimberly Ruscher, MDSpringfield, OR 974771861653180
  18. Mark Silen, MD, MBAPortland, OR 972101801801394
  19. Raphael Sun, M.D.Portland, OR 972391831410349
  20. Garret Zallen, MDSpringfield, OR 974771518972025
  21. Andrew Zigman, M.D., C.M.Portland, OR 972251205934866

Source: CMS NPPES, primary taxonomy 2086S0120X: records by practice city and the list of records, file of Aug 9, 2026.

Oregon ranks 16 of 50 per resident

  1. Utah0.6
  2. North Dakota0.5
  3. Louisiana0.5
  4. Oregon0.5
  5. Wisconsin0.5
  6. Arizona0.5
  7. 50 states and D.C.0.4

Source: CMS NPPES, primary taxonomy 2086S0120X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

What the count covers

21 NPPES records list pediatric surgery physician (2086S0120X) as their primary taxonomy with a practice address in Oregon: 0.5 per 100,000 residents against 0.4 nationally (50 states and D.C.). Portland has 19 of them (90%).

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. Indiana21
  2. Minnesota21
  3. North Carolina21
  4. Alabama23

States with a similar rate per 100,000

  1. Wisconsin0.5
  2. Louisiana0.5
  3. Arizona0.5
  4. Michigan0.5

The largest states

  1. California142
  2. Texas128
  3. Florida89
  4. New York88
  5. Ohio84

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.