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Dianne A. De Leon, MD

NPI 1851656516ActiveIndividual· Dermatology· Chicago, IL

Dermatology (MD) in Chicago, Illinois, trained at University of Chicago, Pritzker School of Medicine (class of 2012). 193 Medicare patients in 2024, $42,376 paid; nearly all of their 294 Part D prescriptions were generic (94%). Janssen Biotech, Inc. reported $99.99 in payments in 2024, mostly education.

Overview

NPI1851656516
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 9, 2012
Last updated in NPPESDec 7, 2021
Certified by providerDec 7, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000X036158125IL
Dermatology207N00000X266092MA

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 (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients193
Services billed672 across 28 procedure codes
Paid by Medicare$42,376

Part D prescriptions in 2024

Prescriptions (claims)294 · 310 30-day fills
Patients120
Total drug cost$11,321
Generic share94% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Chicago, Pritzker School of Medicine
Graduation year2012
Medicare specialtyDermatology
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$99.99 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Janssen Biotech, Inc.$99.991

What the 2024 payments were for

  • Education$99.99 · 1 payment

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

Other dermatologists in Chicago

All 289 dermatologists in Chicago · All dermatologists in Illinois