Healthcare provider profile · identity verified

Roger C Willette, M.D.

Internal Medicine · HOUSTON, TX · NPI 1831138445

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 Calcium399125
Atorvastatin CalciumAtorvastatin Calcium328103
Levothyroxine SodiumLevothyroxine Sodium27783
Losartan PotassiumLosartan Potassium26081
Amlodipine BesylateAmlodipine Besylate22471
LisinoprilLisinopril19758
Metformin HclMetformin Hcl18858
OmeprazoleOmeprazole18465
Tamsulosin HclTamsulosin Hcl15550
Trazodone HclTrazodone Hcl13941
GabapentinGabapentin13850
Metoprolol SuccinateMetoprolol Succinate12140
SimvastatinSimvastatin11033
HydrochlorothiazideHydrochlorothiazide10934
Pantoprazole SodiumPantoprazole Sodium10934
Escitalopram OxalateEscitalopram Oxalate9626
Albuterol Sulfate HfaAlbuterol Sulfate7235
AllopurinolAllopurinol7121
IrbesartanIrbesartan6921
GlimepirideGlimepiride6519
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6422
ClopidogrelClopidogrel Bisulfate6219
JanuviaSitagliptin Phosphate6216
FarxigaDapagliflozin Propanediol6018
Fluticasone PropionateFluticasone Propionate6024
OzempicSemaglutide5913
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5718
CarvedilolCarvedilol5317
Bupropion XlBupropion Hcl5212
Montelukast SodiumMontelukast Sodium5217
FurosemideFurosemide5020
Sertraline HclSertraline Hcl4914
AtenololAtenolol4716
EzetimibeEzetimibe4613
LovastatinLovastatin4313
Ibandronate SodiumIbandronate Sodium4014
EliquisApixaban3916
Metformin Hcl ErMetformin Hcl3813
Pravastatin SodiumPravastatin Sodium3814
MeloxicamMeloxicam3714
Metoprolol TartrateMetoprolol Tartrate3714
SynthroidLevothyroxine Sodium3714
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3636
Citalopram HbrCitalopram Hydrobromide36suppressed
MethylprednisoloneMethylprednisolone3533
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst3528
Olmesartan MedoxomilOlmesartan Medoxomil3411
FamotidineFamotidine3313
Nebivolol HclNebivolol Hcl33suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril32suppressed
Potassium ChloridePotassium Chloride3211
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide31suppressed
ValsartanValsartan30suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium2711
FenofibrateFenofibrate,micronized26suppressed
Fluoxetine HclFluoxetine Hcl26suppressed
Oxybutynin Chloride ErOxybutynin Chloride2611
Pramipexole DihydrochloridePramipexole Di-Hcl26suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid26suppressed
Duloxetine HclDuloxetine Hcl25suppressed
FenofibrateFenofibrate25suppressed
RamiprilRamipril25suppressed
PaxlovidNirmatrelvir/Ritonavir2424
Tizanidine HclTizanidine Hcl2414
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide24suppressed
Alendronate SodiumAlendronate Sodium23suppressed
FinasterideFinasteride23suppressed
Nifedipine ErNifedipine23suppressed
Clonidine HclClonidine Hcl22suppressed
JardianceEmpagliflozin21suppressed
Pioglitazone HclPioglitazone Hcl21suppressed
ValacyclovirValacyclovir Hcl2114
GlipizideGlipizide20suppressed
PrednisonePrednisone2017
Venlafaxine Hcl ErVenlafaxine Hcl20suppressed
Paroxetine HclParoxetine Hcl19suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl18suppressed
SymbicortBudesonide/Formoterol Fumarate18suppressed
Warfarin SodiumWarfarin Sodium17suppressed
KetoconazoleKetoconazole16suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride16suppressed
Megestrol AcetateMegestrol Acetate15suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1511
XareltoRivaroxaban15suppressed
AzithromycinAzithromycin1414
Breo ElliptaFluticasone/Vilanterol14suppressed
Janumet XrSitagliptin Phos/Metformin Hcl14suppressed
Liothyronine SodiumLiothyronine Sodium14suppressed
BumetanideBumetanide13suppressed
Enalapril MaleateEnalapril Maleate13suppressed
GemfibrozilGemfibrozil13suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13suppressed
Ipratropium BromideIpratropium Bromide13suppressed
MethocarbamolMethocarbamol13suppressed
MetolazoneMetolazone13suppressed
MyrbetriqMirabegron13suppressed
Testosterone CypionateTestosterone Cypionate13suppressed
Bupropion HclBupropion Hcl12suppressed
Buspirone HclBuspirone Hcl12suppressed
EstradiolEstradiol12suppressed
LansoprazoleLansoprazole12suppressed
LantusInsulin Glargine,hum.Rec.Anlog12suppressed
Amiodarone HclAmiodarone Hcl11suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate11suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
Glipizide-MetforminGlipizide/Metformin Hcl11suppressed
GlyburideGlyburide11suppressed
MounjaroTirzepatide11suppressed
NitroglycerinNitroglycerin11suppressed
Propranolol HclPropranolol Hcl11suppressed
Raloxifene HclRaloxifene Hcl11suppressed
Ropinirole HclRopinirole Hcl11suppressed
RybelsusSemaglutide11suppressed

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