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Karen L. Maloney, MD

NPI 1912918186ActiveIndividual· Dermatology· St Charles, IL

Dermatology (MD) in St Charles, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1984). 337 Medicare patients in 2024, $43,892 paid; nearly all of their 264 Part D prescriptions were generic (92%). Sun Pharmaceutical Industries Inc. was the largest of 2 companies reporting payments in 2025, $67.42 in all, mostly food and beverage.

Overview

NPI1912918186
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 11, 2006
Last updated in NPPESAug 28, 2026
Certified by providerAug 28, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000X36.071349IL
Dermatology207N00000X361-320WI
Dermatology207N00000XME123995FL

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 - Dermatology (FL); Practitioner - Dermatology (IL); Practitioner - Dermatology (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients337
Services billed834 across 41 procedure codes
Paid by Medicare$43,892

Part D prescriptions in 2024

Prescriptions (claims)264 · 296 30-day fills
Patients142
Total drug cost$15,444
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLoyola University of Chicago, Stritch School of Medicine
Graduation year1984
Medicare specialtyDermatology

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$67.42 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Sun Pharmaceutical Industries Inc.$34.071
Convatec Inc.$33.351

What the 2025 payments were for

  • Food and Beverage$67.42 · 2 payments

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

Other dermatologists in St Charles

All dermatologists in Illinois