Healthcare provider profile · identity verified

Danielle Pierro, M.D.

Internal Medicine · CHICAGO, IL · NPI 1417981812

Profile state: partd only Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

We did not find matching Open Payments records for this doctor in 2025.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

There is no payer-company set available for this comparison.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Atorvastatin CalciumAtorvastatin Calcium616178
Amlodipine BesylateAmlodipine Besylate409116
Levothyroxine SodiumLevothyroxine Sodium32179
Rosuvastatin CalciumRosuvastatin Calcium20060
Losartan PotassiumLosartan Potassium16948
OmeprazoleOmeprazole12838
CarvedilolCarvedilol10732
Metoprolol SuccinateMetoprolol Succinate8631
Alendronate SodiumAlendronate Sodium8231
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide7721
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7321
Metformin Hcl ErMetformin Hcl7325
HydrochlorothiazideHydrochlorothiazide7027
EzetimibeEzetimibe6625
EliquisApixaban6118
LisinoprilLisinopril6017
SimvastatinSimvastatin5817
Escitalopram OxalateEscitalopram Oxalate5414
Sertraline HclSertraline Hcl5420
EstradiolEstradiol5123
JardianceEmpagliflozin5011
SynthroidLevothyroxine Sodium5014
Candesartan CilexetilCandesartan Cilexetil4915
GabapentinGabapentin4818
Citalopram HbrCitalopram Hydrobromide47suppressed
Fluticasone PropionateFluticasone Propionate4721
SpironolactoneSpironolactone4515
Pravastatin SodiumPravastatin Sodium4411
FurosemideFurosemide4313
Duloxetine HclDuloxetine Hcl4114
Venlafaxine Hcl ErVenlafaxine Hcl4111
MirtazapineMirtazapine4016
Pantoprazole SodiumPantoprazole Sodium3813
IndapamideIndapamide37suppressed
Potassium ChloridePotassium Chloride3615
Albuterol Sulfate HfaAlbuterol Sulfate3315
AllopurinolAllopurinol33suppressed
ValacyclovirValacyclovir Hcl3311
Bupropion XlBupropion Hcl32suppressed
Metformin HclMetformin Hcl32suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3211
LorazepamLorazepam29suppressed
OzempicSemaglutide2911
RamiprilRamipril28suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic27suppressed
JanuviaSitagliptin Phosphate25suppressed
Montelukast SodiumMontelukast Sodium25suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2511
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril24suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium24suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol24suppressed
IrbesartanIrbesartan24suppressed
FamotidineFamotidine23suppressed
LansoprazoleLansoprazole23suppressed
TrulicityDulaglutide23suppressed
XareltoRivaroxaban23suppressed
CelecoxibCelecoxib22suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter21suppressed
AlprazolamAlprazolam2011
Candesartan-HydrochlorothiazidCandesartan/Hydrochlorothiazid20suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl20suppressed
MounjaroTirzepatide20suppressed
ValsartanValsartan20suppressed
CephalexinCephalexin1916
Meclizine HclMeclizine Hcl19suppressed
ChlorthalidoneChlorthalidone17suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate17suppressed
Nifedipine ErNifedipine17suppressed
Tresiba Flextouch U-100Insulin Degludec17suppressed
Zolpidem TartrateZolpidem Tartrate17suppressed
Glipizide ErGlipizide16suppressed
Verapamil ErVerapamil Hcl16suppressed
ClopidogrelClopidogrel Bisulfate15suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide13suppressed
Memantine HclMemantine Hcl13suppressed
Azelastine-FluticasoneAzelastine/Fluticasone12suppressed
Bupropion HclBupropion Hcl12suppressed
Galantamine ErGalantamine Hbr12suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate12suppressed
Praluent PenAlirocumab12suppressed
PrednisonePrednisone1211
RybelsusSemaglutide12suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic12suppressed
Wixela InhubFluticasone Propion/Salmeterol12suppressed
AcyclovirAcyclovir11suppressed
Advair DiskusFluticasone Propion/Salmeterol11suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide11suppressed
CiclopiroxCiclopirox Olamine11suppressed
LinzessLinaclotide11suppressed
Pioglitazone HclPioglitazone Hcl11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error