Healthcare provider profile · identity verified

Jason B Vangundy, M.D.

Family Practice · LAKE ST LOUIS, MO · NPI 1790746071

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
Levothyroxine SodiumLevothyroxine Sodium736196
Amlodipine BesylateAmlodipine Besylate636171
AlprazolamAlprazolam459110
Pantoprazole SodiumPantoprazole Sodium459121
Rosuvastatin CalciumRosuvastatin Calcium402132
Atorvastatin CalciumAtorvastatin Calcium394117
LisinoprilLisinopril358108
HydrochlorothiazideHydrochlorothiazide351101
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen30657
Montelukast SodiumMontelukast Sodium29283
SimvastatinSimvastatin26366
Metoprolol SuccinateMetoprolol Succinate25280
OmeprazoleOmeprazole24177
Escitalopram OxalateEscitalopram Oxalate23561
Metformin HclMetformin Hcl21362
Sertraline HclSertraline Hcl21153
GabapentinGabapentin20875
Tamsulosin HclTamsulosin Hcl20163
Losartan PotassiumLosartan Potassium19257
Trazodone HclTrazodone Hcl18456
FamotidineFamotidine18146
FurosemideFurosemide17652
GlimepirideGlimepiride17659
Citalopram HbrCitalopram Hydrobromide16742
Tramadol HclTramadol Hcl16546
Pravastatin SodiumPravastatin Sodium16448
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen15127
Metoprolol TartrateMetoprolol Tartrate15039
AllopurinolAllopurinol14337
Bupropion XlBupropion Hcl13239
EliquisApixaban13235
MeloxicamMeloxicam13141
PregabalinPregabalin12921
Albuterol Sulfate HfaAlbuterol Sulfate12353
ClopidogrelClopidogrel Bisulfate11841
MounjaroTirzepatide11425
FinasterideFinasteride11129
Fluticasone PropionateFluticasone Propionate10644
Warfarin SodiumWarfarin Sodium10628
Fluoxetine HclFluoxetine Hcl10421
CarvedilolCarvedilol10328
LorazepamLorazepam10024
Metformin Hcl ErMetformin Hcl10027
Olmesartan MedoxomilOlmesartan Medoxomil9922
Zolpidem TartrateZolpidem Tartrate9828
Donepezil HclDonepezil Hcl9724
SpironolactoneSpironolactone9329
JardianceEmpagliflozin9021
TemazepamTemazepam9016
Testosterone CypionateTestosterone Cypionate8921
Duloxetine HclDuloxetine Hcl8527
Morphine Sulfate ErMorphine Sulfate79suppressed
EszopicloneEszopiclone7616
ClonazepamClonazepam7514
AtenololAtenolol7322
Potassium ChloridePotassium Chloride7223
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7019
RamiprilRamipril6616
DiazepamDiazepam6515
ArexvyRsvpref3 Antigen/As01e/Pf6363
CelecoxibCelecoxib6322
Acetaminophen-CodeineAcetaminophen With Codeine62suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl6221
Ropinirole HclRopinirole Hcl5916
Venlafaxine Hcl ErVenlafaxine Hcl5912
Pioglitazone HclPioglitazone Hcl5716
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine54suppressed
Vitamin D2Ergocalciferol (Vitamin D2)5319
LovastatinLovastatin5213
EzetimibeEzetimibe5116
SynthroidLevothyroxine Sodium5015
PrednisonePrednisone4934
Tizanidine HclTizanidine Hcl4919
Memantine HclMemantine Hcl4812
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid4715
Buspirone HclBuspirone Hcl4513
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine44suppressed
Ondansetron HclOndansetron Hcl4415
OzempicSemaglutide44suppressed
AripiprazoleAripiprazole43suppressed
Doxycycline HyclateDoxycycline Hyclate4224
Ondansetron OdtOndansetron42suppressed
XareltoRivaroxaban42suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4111
MirtazapineMirtazapine4114
Quetiapine FumarateQuetiapine Fumarate41suppressed
Nebivolol HclNebivolol Hcl4013
SymbicortBudesonide/Formoterol Fumarate40suppressed
MethylprednisoloneMethylprednisolone3931
Ciprofloxacin HclCiprofloxacin Hcl3630
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3529
TopiramateTopiramate3511
FenofibrateFenofibrate Nanocrystallized3312
Hydralazine HclHydralazine Hcl33suppressed
JanuviaSitagliptin Phosphate32suppressed
Meclizine HclMeclizine Hcl3115
FenofibrateFenofibrate30suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide30suppressed
ColchicineColchicine29suppressed
Paroxetine HclParoxetine Hcl29suppressed
ValacyclovirValacyclovir Hcl2915
Amiodarone HclAmiodarone Hcl27suppressed
BaclofenBaclofen27suppressed
Benazepril HclBenazepril Hcl27suppressed
Solifenacin SuccinateSolifenacin Succinate2711
Diltiazem 24hr Er (Cd)Diltiazem Hcl23suppressed
PaxlovidNirmatrelvir/Ritonavir2323
Sumatriptan SuccinateSumatriptan Succinate23suppressed
Amitriptyline HclAmitriptyline Hcl22suppressed
Breo ElliptaFluticasone/Vilanterol22suppressed
Diclofenac SodiumDiclofenac Sodium2212
Liothyronine SodiumLiothyronine Sodium22suppressed
Dicyclomine HclDicyclomine Hcl21suppressed
GlipizideGlipizide21suppressed
IrbesartanIrbesartan21suppressed
LatanoprostLatanoprost21suppressed
Terazosin HclTerazosin Hcl21suppressed
CephalexinCephalexin2018
Ipratropium BromideIpratropium Bromide20suppressed
Folic AcidFolic Acid19suppressed
MyrbetriqMirabegron19suppressed
NystatinNystatin1913
TorsemideTorsemide19suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide18suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride18suppressed
NaproxenNaproxen18suppressed
Oxycodone HclOxycodone Hcl18suppressed
TrulicityDulaglutide18suppressed
OlanzapineOlanzapine17suppressed
Propranolol HclPropranolol Hcl17suppressed
Tolterodine Tartrate ErTolterodine Tartrate17suppressed
Brimonidine Tartrate-TimololBrimonidine Tartrate/Timolol16suppressed
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)16suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate16suppressed
Raloxifene HclRaloxifene Hcl16suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril15suppressed
Enalapril MaleateEnalapril Maleate15suppressed
Ibandronate SodiumIbandronate Sodium15suppressed
IbuprofenIbuprofen15suppressed
VyvanseLisdexamfetamine Dimesylate15suppressed
Bupropion Hcl SrBupropion Hcl14suppressed
Carbamazepine ErCarbamazepine14suppressed
Carbidopa-LevodopaCarbidopa/Levodopa14suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium14suppressed
FluconazoleFluconazole1414
RisperidoneRisperidone14suppressed
Sildenafil CitrateSildenafil Citrate14suppressed
TrimethoprimTrimethoprim14suppressed
ZaleplonZaleplon14suppressed
AmoxicillinAmoxicillin1312
AnastrozoleAnastrozole13suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine13suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate13suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim13suppressed
Terbinafine HclTerbinafine Hcl13suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa12suppressed
EstradiolEstradiol12suppressed
Glipizide ErGlipizide12suppressed
Hydroxyzine HclHydroxyzine Hcl12suppressed
Metoclopramide HclMetoclopramide Hcl12suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr11suppressed
FarxigaDapagliflozin Propanediol11suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol11suppressed
Humulin RInsulin Regular, Human11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
Propranolol Hcl ErPropranolol 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