Healthcare provider profile · identity verified

Michael P Fuller, MD

Internal Medicine · SAINT LOUIS, MO · NPI 1194732842

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 Calcium1308366
Levothyroxine SodiumLevothyroxine Sodium600149
Amlodipine BesylateAmlodipine Besylate529148
LisinoprilLisinopril499142
Losartan PotassiumLosartan Potassium403113
Metoprolol SuccinateMetoprolol Succinate34193
Rosuvastatin CalciumRosuvastatin Calcium30189
OmeprazoleOmeprazole30092
SimvastatinSimvastatin29574
Metformin HclMetformin Hcl28777
GabapentinGabapentin24872
Tamsulosin HclTamsulosin Hcl23067
EliquisApixaban20050
ArexvyRsvpref3 Antigen/As01e/Pf179179
Pantoprazole SodiumPantoprazole Sodium17956
OzempicSemaglutide17629
Escitalopram OxalateEscitalopram Oxalate16645
AllopurinolAllopurinol14141
GlimepirideGlimepiride12933
JardianceEmpagliflozin12931
Pravastatin SodiumPravastatin Sodium12936
ChlorthalidoneChlorthalidone12738
ValsartanValsartan12638
IrbesartanIrbesartan12333
Albuterol Sulfate HfaAlbuterol Sulfate11236
HydrochlorothiazideHydrochlorothiazide10834
Fluticasone PropionateFluticasone Propionate10445
FurosemideFurosemide10338
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide10131
Potassium ChloridePotassium Chloride9925
Metoprolol TartrateMetoprolol Tartrate9734
Ibandronate SodiumIbandronate Sodium9530
ClopidogrelClopidogrel Bisulfate9427
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide9326
Sertraline HclSertraline Hcl9325
CarvedilolCarvedilol8426
Montelukast SodiumMontelukast Sodium8024
FinasterideFinasteride7820
Trelegy ElliptaFluticasone/Umeclidin/Vilanter7417
SpironolactoneSpironolactone7223
PrednisonePrednisone7134
EzetimibeEzetimibe7018
Metformin Hcl ErMetformin Hcl7024
Trazodone HclTrazodone Hcl6720
Venlafaxine Hcl ErVenlafaxine Hcl6718
Duloxetine HclDuloxetine Hcl6318
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid6217
Vitamin D2Ergocalciferol (Vitamin D2)6021
Warfarin SodiumWarfarin Sodium5812
FamotidineFamotidine5215
Paroxetine HclParoxetine Hcl4811
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4714
Triamcinolone AcetonideTriamcinolone Acetonide4724
Fluoxetine HclFluoxetine Hcl4617
PregabalinPregabalin4614
Hydralazine HclHydralazine Hcl4415
Doxazosin MesylateDoxazosin Mesylate4311
AlprazolamAlprazolam4218
JanuviaSitagliptin Phosphate40suppressed
Tramadol HclTramadol Hcl3919
Ventolin HfaAlbuterol Sulfate39suppressed
Citalopram HbrCitalopram Hydrobromide38suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl3811
Glipizide ErGlipizide37suppressed
SynthroidLevothyroxine Sodium3712
Cyclobenzaprine HclCyclobenzaprine Hcl3619
Klor-Con M20Potassium Chloride36suppressed
MirtazapineMirtazapine3611
Bupropion XlBupropion Hcl35suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide35suppressed
XareltoRivaroxaban35suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol34suppressed
AtenololAtenolol33suppressed
BaclofenBaclofen33suppressed
Sildenafil CitrateSildenafil Citrate32suppressed
Amitriptyline HclAmitriptyline Hcl31suppressed
TorsemideTorsemide31suppressed
Carbidopa-LevodopaCarbidopa/Levodopa30suppressed
Donepezil HclDonepezil Hcl30suppressed
CephalexinCephalexin2925
Pioglitazone HclPioglitazone Hcl28suppressed
Wixela InhubFluticasone Propion/Salmeterol28suppressed
Dilt-XrDiltiazem Hcl27suppressed
CelecoxibCelecoxib26suppressed
Flecainide AcetateFlecainide Acetate26suppressed
Breo ElliptaFluticasone/Vilanterol25suppressed
Humalog Kwikpen U-100Insulin Lispro25suppressed
Benazepril HclBenazepril Hcl24suppressed
Bupropion Hcl SrBupropion Hcl24suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate24suppressed
AcyclovirAcyclovir23suppressed
Buspirone HclBuspirone Hcl23suppressed
Diltiazem 24hr Er (Xr)Diltiazem Hcl23suppressed
DutasterideDutasteride23suppressed
Fludrocortisone AcetateFludrocortisone Acetate23suppressed
Folic AcidFolic Acid23suppressed
Midodrine HclMidodrine Hcl23suppressed
RamiprilRamipril23suppressed
Doxycycline HyclateDoxycycline Hyclate2219
HydrocortisoneHydrocortisone21suppressed
PaxlovidNirmatrelvir/Ritonavir2121
Ultra-Fine Short Pen NeedlePen Needle, Diabetic21suppressed
MounjaroTirzepatide20suppressed
NystatinNystatin20suppressed
PhenobarbitalPhenobarbital20suppressed
Quetiapine FumarateQuetiapine Fumarate20suppressed
ValacyclovirValacyclovir Hcl20suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1918
GlipizideGlipizide19suppressed
MeloxicamMeloxicam1911
EntrestoSacubitril/Valsartan18suppressed
AzithromycinAzithromycin1716
BumetanideBumetanide17suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium17suppressed
Propranolol HclPropranolol Hcl17suppressed
SotalolSotalol Hcl17suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog15suppressed
ColchicineColchicine1514
FyavolvNorethindrone Ac/Eth Estradiol15suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide15suppressed
Spiriva HandihalerTiotropium Bromide15suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate14suppressed
Oxybutynin Chloride ErOxybutynin Chloride14suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1412
Testosterone CypionateTestosterone Cypionate14suppressed
Amiloride HclAmiloride Hcl13suppressed
Enalapril MaleateEnalapril Maleate13suppressed
Labetalol HclLabetalol Hcl13suppressed
RybelsusSemaglutide13suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril12suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr12suppressed
EstradiolEstradiol12suppressed
Fluvoxamine MaleateFluvoxamine Maleate12suppressed
Meclizine HclMeclizine Hcl12suppressed
MethimazoleMethimazole12suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic12suppressed
Novolog FlexpenInsulin Aspart12suppressed
Prazosin HclPrazosin Hcl12suppressed
Semglee (Yfgn) PenInsulin Glargine-Yfgn12suppressed
Spiriva RespimatTiotropium Bromide12suppressed
SymbicortBudesonide/Formoterol Fumarate12suppressed
TelmisartanTelmisartan12suppressed
Azelastine HclAzelastine Hcl11suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa11suppressed
CholestyramineCholestyramine (With Sugar)11suppressed
LevetiracetamLevetiracetam11suppressed
Olmesartan MedoxomilOlmesartan Medoxomil11suppressed
Verapamil ErVerapamil 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