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Dr. Benjamin R. Smith, M.D.

Addiction Medicine (Addiction Medicine (Family Medicine) Physician)

At a glance

Medical school
Harvard Medical School (2010)
Years since graduation
16
In the NPI registry since
2011

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

  • 2010Medical school: Harvard Medical School
  • 2011Registered with an NPI (national billing number; not a license date)

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

  • Addiction Medicine (Family Medicine) Physician primary
    OR license 185564

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

Map: Addiction Medicine per capita by county →

Where they work

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Other Addiction Medicine clinicians in Portland

Sources

NPI registry (CMS NPPES, November 2026; record last updated September 10, 2021), 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1801184601. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.