Healthcare provider profile · identity verified

Christopher G Santi, M.D.

Internal Medicine · WHEATON, IL · NPI 1124006697

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 Calcium537162
Levothyroxine SodiumLevothyroxine Sodium32789
Amlodipine BesylateAmlodipine Besylate29795
Losartan PotassiumLosartan Potassium28478
LisinoprilLisinopril25871
Metoprolol SuccinateMetoprolol Succinate24872
Atorvastatin CalciumAtorvastatin Calcium22277
ValsartanValsartan15946
OmeprazoleOmeprazole14045
Pantoprazole SodiumPantoprazole Sodium13145
AllopurinolAllopurinol11633
Tramadol HclTramadol Hcl11640
AlprazolamAlprazolam11230
Metformin HclMetformin Hcl11139
Pravastatin SodiumPravastatin Sodium9827
HydrochlorothiazideHydrochlorothiazide9630
Tamsulosin HclTamsulosin Hcl9131
IrbesartanIrbesartan7619
Metoprolol TartrateMetoprolol Tartrate7519
Sertraline HclSertraline Hcl7422
Duloxetine HclDuloxetine Hcl7122
Fluticasone PropionateFluticasone Propionate7131
FenofibrateFenofibrate6925
NateglinideNateglinide6713
MeloxicamMeloxicam6224
OzempicSemaglutide57suppressed
Trazodone HclTrazodone Hcl5720
FamotidineFamotidine5620
Albuterol Sulfate HfaAlbuterol Sulfate5526
Alendronate SodiumAlendronate Sodium5016
FinasterideFinasteride4713
Zolpidem TartrateZolpidem Tartrate4716
EzetimibeEzetimibe4618
GabapentinGabapentin4620
Glipizide ErGlipizide4513
SimvastatinSimvastatin4514
Metformin Hcl ErMetformin Hcl4416
CelecoxibCelecoxib4316
Cyclobenzaprine HclCyclobenzaprine Hcl4012
ClopidogrelClopidogrel Bisulfate3913
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst3825
CarvedilolCarvedilol3712
EliquisApixaban37suppressed
Ibandronate SodiumIbandronate Sodium3712
SynthroidLevothyroxine Sodium37suppressed
Potassium ChloridePotassium Chloride3611
XareltoRivaroxaban36suppressed
AtenololAtenolol35suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol35suppressed
FurosemideFurosemide35suppressed
Bupropion XlBupropion Hcl3415
AmoxicillinAmoxicillin3321
GlipizideGlipizide32suppressed
Hydralazine HclHydralazine Hcl3212
TrulicityDulaglutide31suppressed
FenofibrateFenofibrate Nanocrystallized2912
Ipratropium BromideIpratropium Bromide2914
PregabalinPregabalin2911
Escitalopram OxalateEscitalopram Oxalate28suppressed
Methylphenidate ErMethylphenidate Hcl27suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide27suppressed
EszopicloneEszopiclone26suppressed
MyrbetriqMirabegron26suppressed
Tizanidine HclTizanidine Hcl26suppressed
Venlafaxine Hcl ErVenlafaxine Hcl26suppressed
Breo ElliptaFluticasone/Vilanterol25suppressed
ClonazepamClonazepam2512
Sumatriptan SuccinateSumatriptan Succinate25suppressed
DiazepamDiazepam24suppressed
Diclofenac SodiumDiclofenac Sodium23suppressed
Fluoxetine HclFluoxetine Hcl2311
LevofloxacinLevofloxacin2322
PrednisonePrednisone2319
Warfarin SodiumWarfarin Sodium23suppressed
Bupropion Hcl SrBupropion Hcl21suppressed
Amitriptyline HclAmitriptyline Hcl20suppressed
AzithromycinAzithromycin2018
FenofibrateFenofibrate,micronized20suppressed
Montelukast SodiumMontelukast Sodium19suppressed
Ondansetron OdtOndansetron19suppressed
Paroxetine HclParoxetine Hcl19suppressed
GlimepirideGlimepiride18suppressed
RamiprilRamipril18suppressed
RybelsusSemaglutide18suppressed
JardianceEmpagliflozin17suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide17suppressed
MounjaroTirzepatide17suppressed
Pioglitazone HclPioglitazone Hcl17suppressed
Vitamin D2Ergocalciferol (Vitamin D2)17suppressed
Olmesartan MedoxomilOlmesartan Medoxomil16suppressed
Enalapril MaleateEnalapril Maleate15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
SpironolactoneSpironolactone15suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride14suppressed
LovastatinLovastatin14suppressed
Propranolol HclPropranolol Hcl14suppressed
Sildenafil CitrateSildenafil Citrate14suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
Donepezil HclDonepezil Hcl13suppressed
MethylprednisoloneMethylprednisolone1312
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Benazepril HclBenazepril Hcl12suppressed
Buspirone HclBuspirone Hcl12suppressed
HydrocortisoneHydrocortisone12suppressed
MirtazapineMirtazapine12suppressed
Terazosin HclTerazosin Hcl12suppressed
JanuviaSitagliptin Phosphate11suppressed
Labetalol HclLabetalol Hcl11suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11suppressed
MupirocinMupirocin11suppressed
Oxybutynin Chloride ErOxybutynin Chloride11suppressed
Raloxifene HclRaloxifene 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