Healthcare provider profile · identity verified

William S Howard, M.D.

Internal Medicine · DALLAS, TX · NPI 1346342003

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 Calcium39740
Amlodipine BesylateAmlodipine Besylate33542
GabapentinGabapentin27329
Levothyroxine SodiumLevothyroxine Sodium23238
CarvedilolCarvedilol18320
Montelukast SodiumMontelukast Sodium17241
MeloxicamMeloxicam15530
TorsemideTorsemide15517
Metformin HclMetformin Hcl15324
LisinoprilLisinopril14418
FurosemideFurosemide14026
Losartan PotassiumLosartan Potassium14025
Rosuvastatin CalciumRosuvastatin Calcium12232
Tamsulosin HclTamsulosin Hcl11418
Pantoprazole SodiumPantoprazole Sodium10119
BaclofenBaclofen99suppressed
HydrochlorothiazideHydrochlorothiazide9918
Trazodone HclTrazodone Hcl9918
Sertraline HclSertraline Hcl96suppressed
ValsartanValsartan9413
Metoprolol SuccinateMetoprolol Succinate9227
Amitriptyline HclAmitriptyline Hcl8818
Hydralazine HclHydralazine Hcl88suppressed
LansoprazoleLansoprazole8123
MirtazapineMirtazapine80suppressed
CelecoxibCelecoxib7614
PrednisonePrednisone7524
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride7417
Citalopram HbrCitalopram Hydrobromide70suppressed
LevetiracetamLevetiracetam70suppressed
Benztropine MesylateBenztropine Mesylate64suppressed
SimvastatinSimvastatin6420
ClopidogrelClopidogrel Bisulfate6220
Donepezil HclDonepezil Hcl59suppressed
EzetimibeEzetimibe5816
EliquisApixaban5413
Potassium ChloridePotassium Chloride54suppressed
Escitalopram OxalateEscitalopram Oxalate50suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim4821
FinasterideFinasteride46suppressed
Klor-Con M20Potassium Chloride46suppressed
Pravastatin SodiumPravastatin Sodium44suppressed
ColchicineColchicine40suppressed
Metoprolol TartrateMetoprolol Tartrate40suppressed
Oxybutynin Chloride ErOxybutynin Chloride40suppressed
FenofibrateFenofibrate Nanocrystallized39suppressed
Doxazosin MesylateDoxazosin Mesylate37suppressed
EstradiolEstradiol3711
AripiprazoleAripiprazole35suppressed
Raloxifene HclRaloxifene Hcl35suppressed
AlprazolamAlprazolam3414
Divalproex SodiumDivalproex Sodium34suppressed
RisperidoneRisperidone34suppressed
TopiramateTopiramate34suppressed
ClonazepamClonazepam33suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3314
OmeprazoleOmeprazole33suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3220
FamotidineFamotidine32suppressed
Duloxetine HclDuloxetine Hcl31suppressed
ProbenecidProbenecid31suppressed
Sevelamer CarbonateSevelamer Carbonate31suppressed
Carbamazepine ErCarbamazepine30suppressed
Metoclopramide HclMetoclopramide Hcl30suppressed
Carbidopa-LevodopaCarbidopa/Levodopa29suppressed
Calcium AcetateCalcium Acetate28suppressed
DiazepamDiazepam2811
Venlafaxine Hcl ErVenlafaxine Hcl27suppressed
Zolpidem TartrateZolpidem Tartrate2611
AllopurinolAllopurinol25suppressed
Bupropion XlBupropion Hcl25suppressed
MethocarbamolMethocarbamol25suppressed
OlanzapineOlanzapine25suppressed
Tramadol HclTramadol Hcl25suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl24suppressed
Buspirone HclBuspirone Hcl23suppressed
Ciprofloxacin HclCiprofloxacin Hcl2314
Fluticasone PropionateFluticasone Propionate2311
CarbamazepineCarbamazepine22suppressed
Divalproex Sodium ErDivalproex Sodium22suppressed
Albuterol Sulfate HfaAlbuterol Sulfate21suppressed
LatanoprostLatanoprost21suppressed
SynthroidLevothyroxine Sodium21suppressed
AzithromycinAzithromycin2013
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide20suppressed
Memantine HclMemantine Hcl20suppressed
MounjaroTirzepatide20suppressed
XareltoRivaroxaban20suppressed
LorazepamLorazepam19suppressed
Quetiapine FumarateQuetiapine Fumarate19suppressed
CefuroximeCefuroxime Axetil1714
AcetazolamideAcetazolamide16suppressed
Amiodarone HclAmiodarone Hcl16suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide16suppressed
NitroglycerinNitroglycerin15suppressed
Sumatriptan SuccinateSumatriptan Succinate15suppressed
Testosterone CypionateTestosterone Cypionate15suppressed
DutasterideDutasteride13suppressed
FarxigaDapagliflozin Propanediol13suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog13suppressed
GlimepirideGlimepiride12suppressed
NitrofurantoinNitrofurantoin Macrocrystal12suppressed
Pioglitazone HclPioglitazone Hcl12suppressed
PregabalinPregabalin12suppressed
Tizanidine HclTizanidine Hcl12suppressed
Vitamin D2Ergocalciferol (Vitamin D2)12suppressed
Liothyronine SodiumLiothyronine Sodium11suppressed
RivastigmineRivastigmine11suppressed
Solifenacin SuccinateSolifenacin Succinate11suppressed
TrintellixVortioxetine Hydrobromide11suppressed
TrulicityDulaglutide11suppressed

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