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Antony Leslie Innasimuthu, MD

NPI 1104080639ActiveIndividual· Internal Medicine, Cardiovascular Disease· Newark, DE

Internal Medicine, Cardiovascular Disease (MD) with Christiana Care Health Services Inc and 2 other groups, practicing in Newark, Delaware. Their prescriptions cost Medicare Part D more than their services did: $1,326,703 for 4,762 claims, against $553,880 paid for services in 2024. Pfizer Inc. was the largest of 20 companies reporting payments in 2025, $1,301 in all, mostly food and beverage. Lists Bayhealth Hospital, Sussex Campus and 4 other hospitals as hospital affiliations.

Overview

NPI1104080639
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJul 14, 2008
Last updated in NPPESFeb 26, 2020
Certified by providerFeb 26, 2020

Specialties and licenses

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 - Cardiovascular Disease (Cardiology) (DE)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,683
Services billed9,688 across 97 procedure codes
Paid by Medicare$553,880

Part D prescriptions in 2024

Prescriptions (claims)4,762 · 12,891 30-day fills
Patients728
Total drug cost$1,326,703
Generic share78% of claims

Medicare sources and data years

Education and affiliations

Graduation year2013
Medicare specialtyCardiovascular Disease (Cardiology)
Secondary specialtiesInterventional Cardiology, Nuclear Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,301 · 52 payments from 20 companies
  • 2024$704.54 · 33 payments from 12 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,301 · 52 payments

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

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