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John Charles Hennessey, M.D.

NPI 1528898038ActiveIndividual· Surgery, Vascular Surgery· Saint Paul, MN

Surgery, Vascular Surgery (M.D.) with Group Health Inc, practicing in Saint Paul, Minnesota. Enrolled in Medicare as practitioner - vascular surgery. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $1,085 in all, mostly food and beverage. Lists Hudson Hospital and 2 other hospitals as hospital affiliations.

Overview

NPI1528898038
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 7, 2024
Last updated in NPPESApr 23, 2025
Certified by providerApr 23, 2025

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Vascular Surgery (MN)

Medicare sources and data years

Education and affiliations

Graduation year2017
Medicare specialtyVascular Surgery
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,085 · 9 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Medtronic, Inc.$835.207
Lemaitre Vascular, Inc.$250.002

What the 2025 payments were for

  • Food and Beverage$692.98 · 7 payments
  • Travel and Lodging$392.22 · 2 payments

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

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