Healthcare provider profile · identity verified

Robert Piotr Piotrowski, MD

Family Practice · CHICAGO, IL · NPI 1033309653

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
Rosuvastatin CalciumRosuvastatin Calcium345115
LisinoprilLisinopril27893
Atorvastatin CalciumAtorvastatin Calcium25589
Metoprolol SuccinateMetoprolol Succinate20566
OmeprazoleOmeprazole19673
Amlodipine BesylateAmlodipine Besylate18364
Metformin HclMetformin Hcl17057
Levothyroxine SodiumLevothyroxine Sodium16053
Losartan PotassiumLosartan Potassium14950
Glipizide ErGlipizide10737
Tamsulosin HclTamsulosin Hcl10338
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide9628
Albuterol Sulfate HfaAlbuterol Sulfate9327
SimvastatinSimvastatin9335
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen7914
Pantoprazole SodiumPantoprazole Sodium7727
Fluticasone PropionateFluticasone Propionate7331
MirtazapineMirtazapine7325
GabapentinGabapentin6527
CarvedilolCarvedilol6425
FurosemideFurosemide6222
FamotidineFamotidine6023
MeloxicamMeloxicam5925
Doxazosin MesylateDoxazosin Mesylate5820
HydrochlorothiazideHydrochlorothiazide5825
JardianceEmpagliflozin5716
AllopurinolAllopurinol5420
EliquisApixaban5112
ValsartanValsartan5119
Metoprolol TartrateMetoprolol Tartrate4718
AlprazolamAlprazolam4615
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4616
Escitalopram OxalateEscitalopram Oxalate4516
Montelukast SodiumMontelukast Sodium4319
Trelegy ElliptaFluticasone/Umeclidin/Vilanter43suppressed
ClopidogrelClopidogrel Bisulfate4116
ClonazepamClonazepam40suppressed
LorazepamLorazepam40suppressed
Glipizide-MetforminGlipizide/Metformin Hcl3811
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide3811
Candesartan CilexetilCandesartan Cilexetil3619
IbuprofenIbuprofen3618
Zolpidem TartrateZolpidem Tartrate36suppressed
KetoconazoleKetoconazole3517
OzempicSemaglutide35suppressed
Benazepril HclBenazepril Hcl34suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3418
NaproxenNaproxen3211
Tramadol HclTramadol Hcl30suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide29suppressed
TemazepamTemazepam29suppressed
LovastatinLovastatin28suppressed
Alendronate SodiumAlendronate Sodium2712
Donepezil HclDonepezil Hcl2712
Dropsafe Prep PadsAlcohol Antiseptic Pads27suppressed
GlipizideGlipizide27suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog2711
RybelsusSemaglutide26suppressed
Sumatriptan SuccinateSumatriptan Succinate26suppressed
Trazodone HclTrazodone Hcl26suppressed
XareltoRivaroxaban26suppressed
Enalapril MaleateEnalapril Maleate25suppressed
Pioglitazone HclPioglitazone Hcl2511
Nifedipine ErNifedipine24suppressed
Ropinirole HclRopinirole Hcl24suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl23suppressed
FinasterideFinasteride22suppressed
JanumetSitagliptin Phos/Metformin Hcl22suppressed
Sertraline HclSertraline Hcl22suppressed
Vitamin D2Ergocalciferol (Vitamin D2)20suppressed
BaclofenBaclofen19suppressed
HydrocortisoneHydrocortisone1911
Pravastatin SodiumPravastatin Sodium19suppressed
Duloxetine HclDuloxetine Hcl17suppressed
FentanylFentanyl17suppressed
Diclofenac SodiumDiclofenac Sodium16suppressed
Morphine Sulfate ErMorphine Sulfate16suppressed
SpironolactoneSpironolactone16suppressed
AtenololAtenolol15suppressed
Wixela InhubFluticasone Propion/Salmeterol15suppressed
LansoprazoleLansoprazole14suppressed
PregabalinPregabalin14suppressed
Tramadol Hcl-AcetaminophenTramadol Hcl/Acetaminophen14suppressed
GlimepirideGlimepiride13suppressed
Hydralazine HclHydralazine Hcl13suppressed
LactuloseLactulose13suppressed
LidocaineLidocaine13suppressed
NystatinNystatin13suppressed
Warfarin SodiumWarfarin Sodium13suppressed
Advair HfaFluticasone Propion/Salmeterol12suppressed
EzetimibeEzetimibe12suppressed
IrbesartanIrbesartan12suppressed
Meclizine HclMeclizine Hcl12suppressed
Metformin Hcl ErMetformin Hcl12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav11suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog11suppressed
ChlorthalidoneChlorthalidone11suppressed
ColchicineColchicine11suppressed
Ibandronate SodiumIbandronate Sodium11suppressed
Naltrexone HclNaltrexone 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