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John Samuel Nemer, MD

NPI 1811557606ActiveIndividual· Radiology, Diagnostic Radiology· Dayton, OH

Radiology, Diagnostic Radiology (MD) in Dayton, Ohio, trained at Columbia University College of Physicians and Surgeons (class of 2019). Enrolled in Medicare as practitioner - diagnostic radiology and practitioner - diagnostic radiology.

Overview

NPI1811557606
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJun 14, 2019
Last updated in NPPESMay 19, 2025
Certified by providerMay 19, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Radiology, Diagnostic Radiology Primary2085R0202X35.152546OH
Internal Medicine207R00000X2019018905MO

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 - Diagnostic Radiology (NC); Practitioner - Diagnostic Radiology (OH)

Medicare sources and data years

Education and affiliations

Medical schoolColumbia University College of Physicians and Surgeons
Graduation year2019
Medicare specialtyDiagnostic Radiology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other diagnostic radiologists in Dayton

All 89 diagnostic radiologists in Dayton · All diagnostic radiologists in Ohio