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Marvin M. Chassin, MD

NPI 1669445441ActiveIndividual· Internal Medicine, Medical Oncology· Mesa, AZ

Internal Medicine, Medical Oncology (MD) in Mesa, Arizona, licensed in AZ, with an NPI issued in February 2006.

Overview

NPI1669445441
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedFeb 10, 2006
Last updated in NPPESDec 31, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Medical Oncology Primary207RX0202X10566AZ

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)Not in the public enrollment file of Oct 1, 2026

Medicare sources and data years

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

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