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Petros Grivas, M.D.

NPI 1740443852ActiveIndividual· Internal Medicine, Medical Oncology· Seattle, WA

Internal Medicine, Medical Oncology (M.D.) with The Association of University Physicians, practicing in Seattle, Washington. 90 Medicare patients in 2024, $30,402 paid; nearly all of their 119 Part D prescriptions were generic (92%). Merck Sharp & Dohme LLC was the largest of 16 companies reporting payments in 2025, $100,380 in all, mostly consulting fees. Lists University of Washington Medical Ctr as a hospital affiliation.

Overview

NPI1740443852
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 8, 2008
Last updated in NPPESJan 8, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Medical Oncology Primary207RX0202XMD60807259WA

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 - Medical Oncology (WA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients90
Services billed340 across 6 procedure codes
Paid by Medicare$30,402

Part D prescriptions in 2024

Prescriptions (claims)119 · 148 30-day fills
Patients30
Total drug cost$13,030
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Graduation year2005
Medicare specialtyMedical Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$100,380 · 44 payments from 16 companies
  • 2024$91,572 · 62 payments from 14 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$79,643 · 19 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$19,060 · 3 payments
  • Food and Beverage$1,479 · 19 payments
  • Travel and Lodging$198.28 · 3 payments

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

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