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William P. Dagiantis, MD

NPI 1972511822ActiveIndividual· Internal Medicine· Aurora, IL

Internal Medicine (MD) in Aurora, Illinois, licensed in IL, with an NPI issued in August 2006. Part D covered 427 prescriptions written in 2024, 86% of them generic.

Overview

NPI1972511822
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 4, 2006
Last updated in NPPESNov 22, 2021
Certified by providerNov 22, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X036093987IL

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 - Internal Medicine (IL)

Part D prescriptions in 2024

Prescriptions (claims)427 · 830 30-day fills
Patients122
Total drug cost$31,226
Generic share86% of claims

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

Other internal medicine physicians in Aurora

All 65 internal medicine physicians in Aurora · All internal medicine physicians in Illinois