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Sara Jo Grethlein, MD

NPI 1326083445ActiveIndividual· Internal Medicine, Hematology & Oncology· Seattle, WA

Internal Medicine, Hematology & Oncology (MD) with Peacehealth, practicing in Seattle, Washington. Enrolled in Medicare as practitioner - hematology/oncology. Astrazeneca Pharmaceuticals LP reported $131.57 in payments in 2024, mostly food and beverage. Lists Peacehealth Ketchikan Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1326083445
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 20, 2006
Last updated in NPPESOct 16, 2026
Certified by providerOct 14, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XMD.MD.61107310WA
Internal Medicine, Medical Oncology207RX0202XMD.MD.61107310WA

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 (AK)

Medicare sources and data years

Education and affiliations

Graduation year1988
Medicare specialtyHematology/Oncology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$131.57 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$131.571

What the 2024 payments were for

  • Food and Beverage$131.57 · 1 payment

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

Other hematologist-oncologists in Seattle

All 285 hematologist-oncologists in Seattle · All hematologist-oncologists in Washington