Healthcare provider profile · identity verified

Danny Choy, D.O

Internal Medicine · CHICAGO, IL · NPI 1376526954

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 Calcium858257
Amlodipine BesylateAmlodipine Besylate480143
Losartan PotassiumLosartan Potassium467134
Metformin Hcl ErMetformin Hcl28290
CalcitriolCalcitriol26581
Alendronate SodiumAlendronate Sodium19266
ValsartanValsartan18751
Metformin HclMetformin Hcl17150
Tamsulosin HclTamsulosin Hcl16147
Metoprolol SuccinateMetoprolol Succinate14245
Pioglitazone HclPioglitazone Hcl13539
Pravastatin SodiumPravastatin Sodium13037
Montelukast SodiumMontelukast Sodium12945
FamotidineFamotidine12645
FinasterideFinasteride11835
Pantoprazole SodiumPantoprazole Sodium11039
TradjentaLinagliptin10922
SimvastatinSimvastatin10325
JanuviaSitagliptin Phosphate10231
AllopurinolAllopurinol9226
LinzessLinaclotide9222
Azelastine HclAzelastine Hcl9028
Tramadol HclTramadol Hcl6912
FurosemideFurosemide6719
Glipizide ErGlipizide6416
EliquisApixaban6212
Levothyroxine SodiumLevothyroxine Sodium6217
HydrochlorothiazideHydrochlorothiazide5815
Mometasone FuroateMometasone Furoate4925
Albuterol Sulfate HfaAlbuterol Sulfate4612
CarvedilolCarvedilol4613
Fluticasone PropionateFluticasone Propionate4015
Metoprolol TartrateMetoprolol Tartrate4013
OmeprazoleOmeprazole3816
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide34suppressed
HydrocortisoneHydrocortisone29suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog28suppressed
Donepezil HclDonepezil Hcl28suppressed
JardianceEmpagliflozin28suppressed
Labetalol HclLabetalol Hcl28suppressed
MirtazapineMirtazapine2811
LisinoprilLisinopril27suppressed
Breo ElliptaFluticasone/Vilanterol26suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2615
ClopidogrelClopidogrel Bisulfate25suppressed
IrbesartanIrbesartan24suppressed
Sertraline HclSertraline Hcl24suppressed
EntecavirEntecavir23suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride2311
Trazodone HclTrazodone Hcl22suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide21suppressed
Metoclopramide HclMetoclopramide Hcl20suppressed
Ammonium LactateAmmonium Lactate19suppressed
MethimazoleMethimazole19suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide19suppressed
GabapentinGabapentin18suppressed
Tenofovir Disoproxil FumarateTenofovir Disoproxil Fumarate18suppressed
AcarboseAcarbose17suppressed
GlipizideGlipizide17suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide17suppressed
Meclizine HclMeclizine Hcl17suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic17suppressed
ClonazepamClonazepam16suppressed
Rosuvastatin CalciumRosuvastatin Calcium15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
Single Use SwabAlcohol Antiseptic Pads14suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1313
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
Hydroxyzine HclHydroxyzine Hcl13suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads12suppressed
AtenololAtenolol12suppressed
Venlafaxine Hcl ErVenlafaxine Hcl12suppressed
Zolpidem TartrateZolpidem Tartrate12suppressed
Glipizide-MetforminGlipizide/Metformin 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