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Brett A. Poisson, MD

NPI 1255383337ActiveIndividual· Internal Medicine, Hematology & Oncology· Medford, OR

Internal Medicine, Hematology & Oncology (MD) with Asante and 1 other group, practicing in Medford, Oregon. Their prescriptions cost Medicare Part D more than their services did: $2,651,558 for 1,868 claims, against $88,467 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $208.06 in all, mostly education. Lists Asante Ashland Community Hospital and 4 other hospitals as hospital affiliations.

Overview

NPI1255383337
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 16, 2006
Last updated in NPPESJan 18, 2022
Certified by providerJan 14, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XMD23704OR

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Hematology/Oncology (OR)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients416
Services billed1,727 across 14 procedure codes
Paid by Medicare$88,467

Part D prescriptions in 2024

Prescriptions (claims)1,868 · 2,455 30-day fills
Patients298
Total drug cost$2,651,558
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Graduation year1992
Medicare specialtyHematology/Oncology

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$208.06 · 6 payments from 4 companies
  • 2024$286.78 · 7 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Education$151.94 · 4 payments
  • Food and Beverage$56.12 · 2 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine, Hematology & Oncology providers in Medford

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