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Bassem Ayyash, M.D.

NPI 1316292535ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Boston, MA

Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) with Massachusetts General Physicians Organization Inc, practicing in Boston, Massachusetts. Medicare paid $4,233 for services to 23 patients in 2024. Abiomed reported $367.62 in payments in 2025, mostly food and beverage. Lists Massachusetts General Hospital as a hospital affiliation.

Overview

NPI1316292535
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJul 14, 2012
Last updated in NPPESMay 15, 2023
Certified by providerMay 15, 2023

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Thoracic Surgery (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients23
Services billed26 across 7 procedure codes
Paid by Medicare$4,233

Medicare sources and data years

Education and affiliations

Graduation year2008
Medicare specialtyThoracic Surgery

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$367.62 · 9 payments from 1 company
  • 2024$291.59 · 8 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Abiomed$367.629

What the 2025 payments were for

  • Food and Beverage$367.62 · 9 payments

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

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