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Dr. Benjamin R. Oldson, D.O.

Family Medicine (Family Medicine Physician)

At a glance

In the NPI registry since
2010

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2010Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Family Medicine Physician primary
    OR license DO179739
  • Emergency Medicine Physician
    IA license 4451
  • Hospitalist Physician
    IA license 4451

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Family Medicine per capita by county →

Medicare patients and services

Most frequent Medicare services, 2023
ServiceTimesPatients
Established patient office or other outpatient visit, 30-39 minutes143135
Administration of influenza virus vaccine106106
Influenza vaccine split virus, preservative free9999
Established patient office or other outpatient visit, 20-29 minutes7875
Admn sarscov2 vacc 1 dose5555
Sarscv2 vac 30mcg trs-suc im5252
X-ray of chest, 2 views4040
New patient office or other outpatient visit, 30-44 minutes3030
X-ray of lower and sacral spine, 2-3 views1313

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Other Family Medicine clinicians in Corvallis

Sources

NPI registry (CMS NPPES, November 2026; record last updated April 5, 2022), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1154649945. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.