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Leonard Mason, MD

NPI 1114122355ActiveIndividual· Surgery· Newark, DE

Surgery (MD) in Newark, Delaware, trained at Temple University School of Medicine (class of 2007). Medicare paid $68,361 for services to 293 patients in 2024. Solventum Corporation was the largest of 2 companies reporting payments in 2025, $42.85 in all, mostly food and beverage.

Overview

NPI1114122355
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 18, 2007
Last updated in NPPESAug 13, 2020
Certified by providerAug 13, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Surgery Primary208600000XC1-0013726DE
Surgery208600000XMD457506PA
Surgery, Trauma Surgery2086S0127X53123TN

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 - General Surgery (DE)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients293
Services billed507 across 35 procedure codes
Paid by Medicare$68,361

Medicare sources and data years

Education and affiliations

Medical schoolTemple University School of Medicine
Graduation year2007
Medicare specialtyGeneral Surgery
Secondary specialtiesPlastic And Reconstructive Surgery

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$42.85 · 2 payments from 2 companies
  • 2024$96.47 · 4 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Solventum Corporation$26.951
Depuy Synthes Sales Inc.$15.901

What the 2025 payments were for

  • Food and Beverage$42.85 · 2 payments

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

Other Surgery providers in Newark

All Surgery providers in Delaware →