Healthcare provider profile · identity verified

Bryan Siegfried, M.D.

Pediatric Medicine · STAUNTON, IL · NPI 1366453466

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 Calcium42475
Amlodipine BesylateAmlodipine Besylate29946
Metformin HclMetformin Hcl22241
Metoprolol SuccinateMetoprolol Succinate21432
LisinoprilLisinopril21341
GabapentinGabapentin19033
Levothyroxine SodiumLevothyroxine Sodium18526
JardianceEmpagliflozin16119
OmeprazoleOmeprazole14931
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen14124
Albuterol Sulfate HfaAlbuterol Sulfate13528
EliquisApixaban12517
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide11923
HydrochlorothiazideHydrochlorothiazide11125
Losartan PotassiumLosartan Potassium11123
Pantoprazole SodiumPantoprazole Sodium10621
Escitalopram OxalateEscitalopram Oxalate10520
Metoprolol TartrateMetoprolol Tartrate10319
FurosemideFurosemide9922
FamotidineFamotidine9718
JanuviaSitagliptin Phosphate9515
Pioglitazone HclPioglitazone Hcl8918
Potassium ChloridePotassium Chloride8716
Pravastatin SodiumPravastatin Sodium7917
AllopurinolAllopurinol7512
OzempicSemaglutide7312
Tamsulosin HclTamsulosin Hcl73suppressed
Buspirone HclBuspirone Hcl65suppressed
SimvastatinSimvastatin6113
SpironolactoneSpironolactone6111
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide59suppressed
Montelukast SodiumMontelukast Sodium5713
Fluticasone PropionateFluticasone Propionate5416
AlprazolamAlprazolam53suppressed
Bupropion XlBupropion Hcl53suppressed
Fluoxetine HclFluoxetine Hcl53suppressed
Duloxetine HclDuloxetine Hcl51suppressed
FinasterideFinasteride51suppressed
Quetiapine FumarateQuetiapine Fumarate51suppressed
ClopidogrelClopidogrel Bisulfate4912
AzithromycinAzithromycin4837
Citalopram HbrCitalopram Hydrobromide48suppressed
Tramadol HclTramadol Hcl4811
Rosuvastatin CalciumRosuvastatin Calcium41suppressed
Amitriptyline HclAmitriptyline Hcl39suppressed
RisperidoneRisperidone38suppressed
CarvedilolCarvedilol3713
Sertraline HclSertraline Hcl37suppressed
XareltoRivaroxaban37suppressed
Warfarin SodiumWarfarin Sodium36suppressed
Trazodone HclTrazodone Hcl34suppressed
Sumatriptan SuccinateSumatriptan Succinate32suppressed
EzetimibeEzetimibe30suppressed
Ropinirole HclRopinirole Hcl30suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl28suppressed
Donepezil HclDonepezil Hcl28suppressed
GlimepirideGlimepiride28suppressed
IrbesartanIrbesartan28suppressed
FenofibrateFenofibrate Nanocrystallized27suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl26suppressed
Humalog Kwikpen U-100Insulin Lispro26suppressed
Venlafaxine Hcl ErVenlafaxine Hcl26suppressed
Hydroxyzine HclHydroxyzine Hcl25suppressed
Nortriptyline HclNortriptyline Hcl25suppressed
Terbinafine HclTerbinafine Hcl25suppressed
Arnuity ElliptaFluticasone Furoate24suppressed
Diltiazem 24hr ErDiltiazem Hcl24suppressed
ValsartanValsartan24suppressed
LorazepamLorazepam23suppressed
GlipizideGlipizide22suppressed
MirtazapineMirtazapine22suppressed
Divalproex SodiumDivalproex Sodium20suppressed
MeloxicamMeloxicam20suppressed
Morphine Sulfate ErMorphine Sulfate20suppressed
MounjaroTirzepatide20suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide20suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1916
Combivent RespimatIpratropium/Albuterol Sulfate19suppressed
Oxybutynin Chloride ErOxybutynin Chloride19suppressed
Oxycodone HclOxycodone Hcl19suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1815
LevofloxacinLevofloxacin1813
Nano 2nd Gen Pen NeedlePen Needle, Diabetic18suppressed
RybelsusSemaglutide17suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1716
AripiprazoleAripiprazole16suppressed
Doxazosin MesylateDoxazosin Mesylate16suppressed
LevetiracetamLevetiracetam16suppressed
LovastatinLovastatin16suppressed
MethylprednisoloneMethylprednisolone1613
Prazosin HclPrazosin Hcl16suppressed
TemazepamTemazepam16suppressed
TrulicityDulaglutide16suppressed
Hydroxyzine PamoateHydroxyzine Pamoate15suppressed
Propranolol HclPropranolol Hcl15suppressed
AmoxicillinAmoxicillin1414
CephalexinCephalexin14suppressed
FluconazoleFluconazole1411
Isosorbide Mononitrate ErIsosorbide Mononitrate14suppressed
MyrbetriqMirabegron14suppressed
Tolterodine Tartrate ErTolterodine Tartrate14suppressed
ChlorthalidoneChlorthalidone13suppressed
FenofibrateFenofibrate13suppressed
Fludrocortisone AcetateFludrocortisone Acetate13suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog13suppressed
Memantine HclMemantine Hcl13suppressed
NaproxenNaproxen13suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr12suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
Ciprofloxacin HclCiprofloxacin Hcl1211
ClonazepamClonazepam12suppressed
Diclofenac SodiumDiclofenac Sodium12suppressed
InvokanaCanagliflozin12suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters12suppressed
Ondansetron HclOndansetron Hcl12suppressed
OxycontinOxycodone Hcl12suppressed
PradaxaDabigatran Etexilate Mesylate12suppressed
Serevent DiskusSalmeterol Xinafoate12suppressed
Techlite Pen NeedlePen Needle, Diabetic12suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Venlafaxine HclVenlafaxine Hcl12suppressed
Zolpidem TartrateZolpidem Tartrate12suppressed
Bethanechol ChlorideBethanechol Chloride11suppressed
Carbidopa-LevodopaCarbidopa/Levodopa11suppressed
Olmesartan MedoxomilOlmesartan Medoxomil11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
PrednisonePrednisone11suppressed
PrevaliteCholestyramine11suppressed
VascepaIcosapent Ethyl11suppressed

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