NPPES file of Aug 9, 2026

Allergy Physician in Oregon

10 NPPES records list allergy physician with a practice address in Oregon, 0.2 per 100,000 residents, the 23rd 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 207KA0200X · method

Portland has the most, 4

Allergy Physician records in Oregon

  1. Laurel Anderson Cowell, MDPortland, OR 972251356346217
  2. Alice Chou, MDEugene, OR 974011508802521
  3. Joel Depper, M.D.Bend, OR 977011194733519
  4. Edward Kerwin, M.D.Medford, OR 975041568465847
  5. Kevin Kral, M.D.Bend, OR 977011134100092
  6. Mark O'Hollaren, M.D.Portland, OR 972051588723787
  7. Kevin Parks, M.D.Medford, OR 975041467499475
  8. Candice Rohr, MDEugene, OR 974011326084344
  9. Robert Schwartz, MDPortland, OR 972111568482610
  10. Anita Tam Su, MDPortland, OR 972131891905261

Source: CMS NPPES, primary taxonomy 207KA0200X: records by practice city and the list of records, file of Aug 9, 2026.

Oregon ranks 23 of 49 per resident

  1. Montana0.3
  2. North Dakota0.3
  3. Texas0.2
  4. Oregon0.2
  5. Utah0.2
  6. Washington0.2
  7. 50 states and D.C.0.3

Source: CMS NPPES, primary taxonomy 207KA0200X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

40.0% of these records appear in a Medicare file, against 68.7% 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. Oregon40.0%
  2. United States68.7%

Allergy Physician records in Oregon, measured

  • In a Medicare file4 of 10 · 40.0% here, 68.7% nationally
  • In the CMS Doctors and Clinicians file4 · 40.0% here, 53.4% nationally
  • Not updated in five years or more8 · 80.0% here, 67.9% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207KA0200X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

10 NPPES records list allergy physician (207KA0200X) as their primary taxonomy with a practice address in Oregon: 0.2 per 100,000 residents against 0.3 nationally (50 states and D.C.). Portland has 4 of them (40%).

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. Kentucky10
  2. Alabama11
  3. Arizona11
  4. Indiana11

States with a similar rate per 100,000

  1. Washington0.2
  2. South Carolina0.2
  3. Texas0.2
  4. Tennessee0.2

The largest states

  1. California157
  2. New York109
  3. Texas76
  4. Florida66
  5. Illinois56

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.