Healthcare provider profile · identity verified

William J Sarantos, M.D.

Internal Medicine · RIVER FOREST, IL · NPI 1023192671

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
Losartan PotassiumLosartan Potassium24772
Metoprolol TartrateMetoprolol Tartrate19051
AmoxicillinAmoxicillin16396
Amlodipine BesylateAmlodipine Besylate14638
Metformin HclMetformin Hcl14145
Levothyroxine SodiumLevothyroxine Sodium13938
FurosemideFurosemide12745
Tamsulosin HclTamsulosin Hcl11840
GabapentinGabapentin10525
CarvedilolCarvedilol9328
HydrochlorothiazideHydrochlorothiazide9027
Potassium ChloridePotassium Chloride8529
LansoprazoleLansoprazole8235
GlipizideGlipizide7922
Metoprolol SuccinateMetoprolol Succinate7322
Albuterol Sulfate HfaAlbuterol Sulfate7024
LisinoprilLisinopril6922
EliquisApixaban6719
Clindamycin HclClindamycin Hcl6043
Atorvastatin CalciumAtorvastatin Calcium5919
Memantine HclMemantine Hcl59suppressed
Ciprofloxacin HclCiprofloxacin Hcl5741
Trazodone HclTrazodone Hcl5616
MeloxicamMeloxicam5512
Pantoprazole SodiumPantoprazole Sodium5519
Amitriptyline HclAmitriptyline Hcl5216
IbuprofenIbuprofen5123
OzempicSemaglutide4811
Warfarin SodiumWarfarin Sodium46suppressed
Nifedipine ErNifedipine4511
PrednisonePrednisone4329
Enalapril MaleateEnalapril Maleate4215
Meclizine HclMeclizine Hcl4216
Cyclobenzaprine HclCyclobenzaprine Hcl4116
AzithromycinAzithromycin4022
OmeprazoleOmeprazole3911
Escitalopram OxalateEscitalopram Oxalate3813
Montelukast SodiumMontelukast Sodium36suppressed
SimvastatinSimvastatin3311
SpironolactoneSpironolactone3311
Sertraline HclSertraline Hcl3212
ClopidogrelClopidogrel Bisulfate29suppressed
Diclofenac SodiumDiclofenac Sodium29suppressed
DigoxinDigoxin29suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2817
EntrestoSacubitril/Valsartan26suppressed
MirtazapineMirtazapine26suppressed
Gentamicin SulfateGentamicin Sulfate2522
Nano 2nd Gen Pen NeedlePen Needle, Diabetic25suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip2413
Glipizide ErGlipizide24suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid24suppressed
Vitamin D2Ergocalciferol (Vitamin D2)24suppressed
Benazepril HclBenazepril Hcl23suppressed
CephalexinCephalexin2314
Fluticasone PropionateFluticasone Propionate22suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate21suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2014
Oseltamivir PhosphateOseltamivir Phosphate1915
Quetiapine FumarateQuetiapine Fumarate19suppressed
Ondansetron OdtOndansetron1812
Rosuvastatin CalciumRosuvastatin Calcium18suppressed
Hydroxyzine HclHydroxyzine Hcl17suppressed
AtenololAtenolol16suppressed
EzetimibeEzetimibe16suppressed
Ropinirole HclRopinirole Hcl16suppressed
SynthroidLevothyroxine Sodium16suppressed
CefdinirCefdinir15suppressed
Klor-Con M20Potassium Chloride15suppressed
Tolterodine Tartrate ErTolterodine Tartrate15suppressed
JanuviaSitagliptin Phosphate14suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide14suppressed
XareltoRivaroxaban14suppressed
MethylprednisoloneMethylprednisolone1311
Penicillin V PotassiumPenicillin V Potassium13suppressed
CefuroximeCefuroxime Axetil12suppressed
Hydroxyzine PamoateHydroxyzine Pamoate12suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog12suppressed
PentoxifyllinePentoxifylline12suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended12suppressed
Terazosin HclTerazosin Hcl12suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
Hydralazine HclHydralazine Hcl11suppressed
Sumatriptan SuccinateSumatriptan Succinate11suppressed
Ventolin HfaAlbuterol Sulfate11suppressed

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