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John Edward Madsen, M.D.

NPI 1144286667ActiveIndividual· Internal Medicine, Gastroenterology· New London, CT

Internal Medicine, Gastroenterology (M.D.) in New London, Connecticut, licensed in CT, with an NPI issued in April 2006.

Overview

NPI1144286667
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 24, 2006
Last updated in NPPESDec 20, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X016619CT

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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