NPPES file of Aug 9, 2026

Pediatric Infectious Diseases Physician in Oregon

14 NPPES records list pediatric infectious diseases physician with a practice address in Oregon, 0.3 per 100,000 residents, the 35th highest rate of 49. Portland and Bend 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 2080P0208X · method

Portland has the most, 12

Pediatric Infectious Diseases Physician records in Oregon

  1. Christine Anterasian, M.D.Portland, OR 972391508285107
  2. Amira Baker, MDPortland, OR 972391861794414
  3. Genevieve Buser, M.D.Portland, OR 972251811011307
  4. Colleen Chun, M.D.Portland, OR 972391346253895
  5. C. John Chunn, MDBend, OR 977011629057997
  6. Judith Guzman-Cottrill, DOPortland, OR 972391063427573
  7. Christina Lancioni, MDPortland, OR 972391679651699
  8. Deborah Lewinsohn, MDPortland, OR 972391801802350
  9. Paul Lewis, MDPortland, OR 972391093721557
  10. Ann Loeffler, MDPortland, OR 972271053374611
  11. Dawn Nolt, MDPortland, OR 972391285609917
  12. Scott Olson, M.D.Bend, OR 977011083814685
  13. Louise Vaz, MD, MPHPortland, OR 972391881894293
  14. Lorne Walker, M.D.Portland, OR 972391588907398

Source: CMS NPPES, primary taxonomy 2080P0208X: records by practice city and the list of records, file of Aug 9, 2026.

Oregon ranks 35 of 49 per resident

  1. Michigan0.3
  2. Texas0.3
  3. West Virginia0.3
  4. Oregon0.3
  5. South Dakota0.3
  6. Kentucky0.3
  7. 50 states and D.C.0.5

Source: CMS NPPES, primary taxonomy 2080P0208X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

64.3% of these records appear in a Medicare file, against 45.7% 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. Oregon64.3%
  2. United States45.7%

Pediatric Infectious Diseases Physician records in Oregon, measured

  • In a Medicare file9 of 14 · 64.3% here, 45.7% nationally
  • In the CMS Doctors and Clinicians file2 · 14.3% here, 28.5% nationally
  • Not updated in five years or more11 · 78.6% here, 57.1% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0208X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

14 NPPES records list pediatric infectious diseases physician (2080P0208X) as their primary taxonomy with a practice address in Oregon: 0.3 per 100,000 residents against 0.5 nationally (50 states and D.C.). Portland has 12 of them (86%).

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. Kentucky14
  2. Arkansas13
  3. South Carolina15
  4. Arizona16

States with a similar rate per 100,000

  1. Texas0.3
  2. Michigan0.3
  3. Indiana0.3
  4. North Carolina0.4

The largest states

  1. California161
  2. New York120
  3. Texas106
  4. Massachusetts86
  5. Pennsylvania83

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.