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Leonard S. Piazza, M.D.

NPI 1083633663ActiveIndividual· Otolaryngology· Naperville, IL

Otolaryngology (M.D.) in Naperville, Illinois, with an NPI issued in July 2006. 461 Medicare patients in 2024, $145,095 paid; nearly all of their 967 Part D prescriptions were generic (98%). Smith+nephew, Inc. reported $30.19 in payments in 2025, mostly food and beverage.

Overview

NPI1083633663
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 18, 2006
Last updated in NPPESJul 21, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Otolaryngology Primary207Y00000X—IL

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 - Otolaryngology (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients461
Services billed983 across 35 procedure codes
Paid by Medicare$145,095

Part D prescriptions in 2024

Prescriptions (claims)967 · 1,398 30-day fills
Patients332
Total drug cost$16,367
Generic share98% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$30.19 · 1 payment from 1 company
  • 2024$158.30 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Smith+nephew, Inc.$30.191

What the 2025 payments were for

  • Food and Beverage$30.19 · 1 payment

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

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