Healthcare provider profile · identity verified

Elizabeth Cadag, M.D.

Internal Medicine · CHICAGO, IL · NPI 1497161939

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 Calcium416142
Losartan PotassiumLosartan Potassium28897
Amlodipine BesylateAmlodipine Besylate273100
Rosuvastatin CalciumRosuvastatin Calcium18968
Levothyroxine SodiumLevothyroxine Sodium13342
LisinoprilLisinopril13342
OmeprazoleOmeprazole12344
Metformin HclMetformin Hcl10033
Alendronate SodiumAlendronate Sodium9533
EzetimibeEzetimibe9528
GlipizideGlipizide9528
HydrochlorothiazideHydrochlorothiazide9433
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen9316
FurosemideFurosemide8832
Metformin Hcl ErMetformin Hcl8531
Potassium ChloridePotassium Chloride8230
Albuterol Sulfate HfaAlbuterol Sulfate7828
Metoprolol TartrateMetoprolol Tartrate7827
Tramadol HclTramadol Hcl7318
SimvastatinSimvastatin6925
GabapentinGabapentin6624
AtenololAtenolol6022
Trazodone HclTrazodone Hcl6022
Nano 2nd Gen Pen NeedlePen Needle, Diabetic5721
AllopurinolAllopurinol5419
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5118
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4714
JardianceEmpagliflozin4517
Duloxetine HclDuloxetine Hcl4314
Azelastine HclAzelastine Hcl42suppressed
Bisoprolol FumarateBisoprolol Fumarate4115
FamotidineFamotidine4117
HydrocortisoneHydrocortisone3817
MeloxicamMeloxicam3819
PradaxaDabigatran Etexilate Mesylate3814
Terazosin HclTerazosin Hcl3711
CarvedilolCarvedilol3613
Hydralazine HclHydralazine Hcl3512
Pantoprazole SodiumPantoprazole Sodium3517
Humulin 70/30 KwikpenInsulin Nph Hum/Reg Insulin Hm33suppressed
IbuprofenIbuprofen3016
LactuloseLactulose30suppressed
Wixela InhubFluticasone Propion/Salmeterol2915
Insulin Glargine-YfgnInsulin Glargine-Yfgn28suppressed
KetoconazoleKetoconazole28suppressed
Montelukast SodiumMontelukast Sodium2611
Ondansetron OdtOndansetron26suppressed
Clobetasol PropionateClobetasol Propionate25suppressed
MirtazapineMirtazapine23suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl23suppressed
FinasterideFinasteride21suppressed
SpironolactoneSpironolactone2111
Acetaminophen-CodeineAcetaminophen With Codeine20suppressed
ColchicineColchicine20suppressed
Humulin NInsulin Nph Human Isophane20suppressed
Risedronate SodiumRisedronate Sodium20suppressed
Sertraline HclSertraline Hcl20suppressed
ClopidogrelClopidogrel Bisulfate19suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate19suppressed
Tamsulosin HclTamsulosin Hcl18suppressed
Clonidine HclClonidine Hcl17suppressed
NystatinNystatin17suppressed
Propranolol HclPropranolol Hcl17suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml17suppressed
AlvescoCiclesonide16suppressed
Benazepril HclBenazepril Hcl16suppressed
BreynaBudesonide/Formoterol Fumarate16suppressed
LidocaineLidocaine16suppressed
Nifedipine ErNifedipine16suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1515
Humulin N KwikpenInsulin Nph Human Isophane15suppressed
Spiriva RespimatTiotropium Bromide15suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1414
Fluoxetine HclFluoxetine Hcl14suppressed
SucralfateSucralfate14suppressed
TopiramateTopiramate14suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1313
Hydroxyzine HclHydroxyzine Hcl13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Hydromorphone HclHydromorphone 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