Healthcare provider profile · identity verified

Olusoji Anthony Peter, M.D.

Internal Medicine · CHICAGO, IL · NPI 1225018203

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 Calcium50556
Amlodipine BesylateAmlodipine Besylate32137
HydrochlorothiazideHydrochlorothiazide21125
LisinoprilLisinopril16420
Tamsulosin HclTamsulosin Hcl16218
Potassium ChloridePotassium Chloride14313
Metformin HclMetformin Hcl14217
Levothyroxine SodiumLevothyroxine Sodium13714
CarvedilolCarvedilol110suppressed
Metoprolol SuccinateMetoprolol Succinate10414
OmeprazoleOmeprazole98suppressed
GabapentinGabapentin9611
SimvastatinSimvastatin90suppressed
FurosemideFurosemide79suppressed
Pantoprazole SodiumPantoprazole Sodium7611
LatanoprostLatanoprost74suppressed
FamotidineFamotidine73suppressed
Clonidine HclClonidine Hcl7011
Donepezil HclDonepezil Hcl67suppressed
Metoprolol TartrateMetoprolol Tartrate66suppressed
Divalproex SodiumDivalproex Sodium63suppressed
LevetiracetamLevetiracetam62suppressed
Losartan PotassiumLosartan Potassium61suppressed
Benztropine MesylateBenztropine Mesylate58suppressed
Albuterol Sulfate HfaAlbuterol Sulfate5412
CarbamazepineCarbamazepine54suppressed
Oxybutynin ChlorideOxybutynin Chloride54suppressed
Enalapril MaleateEnalapril Maleate53suppressed
Sertraline HclSertraline Hcl52suppressed
Quetiapine FumarateQuetiapine Fumarate51suppressed
FinasterideFinasteride48suppressed
Oxybutynin Chloride ErOxybutynin Chloride46suppressed
Bethanechol ChlorideBethanechol Chloride45suppressed
Hydralazine HclHydralazine Hcl44suppressed
RisperidoneRisperidone43suppressed
Glipizide ErGlipizide42suppressed
IsoniazidIsoniazid40suppressed
Nifedipine ErNifedipine39suppressed
Escitalopram OxalateEscitalopram Oxalate38suppressed
LactuloseLactulose38suppressed
ClopidogrelClopidogrel Bisulfate37suppressed
Felodipine ErFelodipine36suppressed
AllopurinolAllopurinol35suppressed
IbuprofenIbuprofen35suppressed
OlanzapineOlanzapine35suppressed
Trazodone HclTrazodone Hcl34suppressed
AtenololAtenolol32suppressed
OxcarbazepineOxcarbazepine32suppressed
XareltoRivaroxaban30suppressed
BaclofenBaclofen29suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended29suppressed
Amiodarone HclAmiodarone Hcl26suppressed
EliquisApixaban26suppressed
Ventolin HfaAlbuterol Sulfate23suppressed
Pravastatin SodiumPravastatin Sodium22suppressed
RivastigmineRivastigmine Tartrate22suppressed
Buspirone HclBuspirone Hcl21suppressed
Diltiazem HclDiltiazem Hcl21suppressed
DigoxinDigoxin20suppressed
Paroxetine HclParoxetine Hcl20suppressed
Breo ElliptaFluticasone/Vilanterol19suppressed
FenofibrateFenofibrate Nanocrystallized18suppressed
HaloperidolHaloperidol17suppressed
Tramadol HclTramadol Hcl17suppressed
ChlorthalidoneChlorthalidone16suppressed
Divalproex Sodium ErDivalproex Sodium16suppressed
Benazepril HclBenazepril Hcl15suppressed
KetoconazoleKetoconazole15suppressed
Lithium CarbonateLithium Carbonate15suppressed
MirtazapineMirtazapine15suppressed
Montelukast SodiumMontelukast Sodium15suppressed
MyrbetriqMirabegron15suppressed
Bupropion XlBupropion Hcl14suppressed
Chlorhexidine GluconateChlorhexidine Gluconate14suppressed
Combivent RespimatIpratropium/Albuterol Sulfate14suppressed
Doxepin HclDoxepin Hcl14suppressed
Fluphenazine DecanoateFluphenazine Decanoate14suppressed
GlimepirideGlimepiride14suppressed
GlipizideGlipizide14suppressed
LamotrigineLamotrigine14suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium13suppressed
Propranolol HclPropranolol Hcl13suppressed
Rosuvastatin CalciumRosuvastatin Calcium13suppressed
VascepaIcosapent Ethyl13suppressed
DilantinPhenytoin Sodium Extended12suppressed
Enalapril-HydrochlorothiazideEnalapril/Hydrochlorothiazide12suppressed
Fluticasone PropionateFluticasone Propionate12suppressed
Fosinopril SodiumFosinopril Sodium12suppressed
Pioglitazone HclPioglitazone Hcl12suppressed
SucralfateSucralfate12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
LoperamideLoperamide Hcl11suppressed
Memantine HclMemantine Hcl11suppressed
NaproxenNaproxen11suppressed
Venlafaxine Hcl ErVenlafaxine 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