Healthcare provider profile · identity verified

Mark A. Stone, M.D.

Family Practice · TAYLOR, TX · NPI 1326000852

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 Calcium390119
LisinoprilLisinopril346110
Amlodipine BesylateAmlodipine Besylate29592
Levothyroxine SodiumLevothyroxine Sodium25379
Metoprolol SuccinateMetoprolol Succinate22969
Losartan PotassiumLosartan Potassium20868
SimvastatinSimvastatin15246
GabapentinGabapentin15154
OmeprazoleOmeprazole15052
Tamsulosin HclTamsulosin Hcl13547
FurosemideFurosemide13144
HydrochlorothiazideHydrochlorothiazide12041
Pantoprazole SodiumPantoprazole Sodium11536
Metformin HclMetformin Hcl10937
JardianceEmpagliflozin10131
Sertraline HclSertraline Hcl9532
Montelukast SodiumMontelukast Sodium9038
Rosuvastatin CalciumRosuvastatin Calcium9033
AllopurinolAllopurinol7820
Trazodone HclTrazodone Hcl7829
Albuterol Sulfate HfaAlbuterol Sulfate6928
EliquisApixaban6920
CarvedilolCarvedilol6720
Zolpidem TartrateZolpidem Tartrate6714
Potassium ChloridePotassium Chloride6629
GlimepirideGlimepiride6424
PrednisonePrednisone6351
SpironolactoneSpironolactone5822
Tizanidine HclTizanidine Hcl5643
Fluticasone PropionateFluticasone Propionate5222
Metoprolol TartrateMetoprolol Tartrate4717
Fluoxetine HclFluoxetine Hcl4612
Hydroxyzine HclHydroxyzine Hcl4418
PregabalinPregabalin44suppressed
Triamcinolone AcetonideTriamcinolone Acetonide4430
Pravastatin SodiumPravastatin Sodium4317
ClopidogrelClopidogrel Bisulfate4216
Pioglitazone HclPioglitazone Hcl3912
Buspirone HclBuspirone Hcl37suppressed
Bupropion XlBupropion Hcl32suppressed
AtenololAtenolol31suppressed
FamotidineFamotidine3113
Glipizide ErGlipizide3013
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide30suppressed
Venlafaxine Hcl ErVenlafaxine Hcl30suppressed
Citalopram HbrCitalopram Hydrobromide28suppressed
Hydralazine HclHydralazine Hcl26suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2523
Donepezil HclDonepezil Hcl25suppressed
EzetimibeEzetimibe2512
ClonazepamClonazepam24suppressed
LovastatinLovastatin24suppressed
Escitalopram OxalateEscitalopram Oxalate23suppressed
EtodolacEtodolac2315
Amitriptyline HclAmitriptyline Hcl2211
Azelastine HclAzelastine Hcl22suppressed
MeloxicamMeloxicam22suppressed
Alendronate SodiumAlendronate Sodium21suppressed
Duloxetine HclDuloxetine Hcl21suppressed
Ropinirole HclRopinirole Hcl21suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol20suppressed
Metformin Hcl ErMetformin Hcl20suppressed
Olmesartan MedoxomilOlmesartan Medoxomil20suppressed
AzithromycinAzithromycin1917
MirtazapineMirtazapine19suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl19suppressed
SynthroidLevothyroxine Sodium19suppressed
CefuroximeCefuroxime Axetil1813
MyrbetriqMirabegron18suppressed
XareltoRivaroxaban18suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl17suppressed
KetoconazoleKetoconazole17suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid17suppressed
DutasterideDutasteride16suppressed
JanuviaSitagliptin Phosphate16suppressed
Doxazosin MesylateDoxazosin Mesylate15suppressed
NaproxenNaproxen1511
NystatinNystatin15suppressed
Memantine HclMemantine Hcl14suppressed
Combivent RespimatIpratropium/Albuterol Sulfate13suppressed
GlipizideGlipizide13suppressed
Ondansetron OdtOndansetron13suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
Paroxetine HclParoxetine Hcl13suppressed
RybelsusSemaglutide13suppressed
ChlorthalidoneChlorthalidone12suppressed
Hydroxyzine PamoateHydroxyzine Pamoate12suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter12suppressed
Ventolin HfaAlbuterol Sulfate12suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine11suppressed
FinasterideFinasteride11suppressed
LorazepamLorazepam11suppressed
Praluent PenAlirocumab11suppressed
TopiramateTopiramate11suppressed
Verapamil HclVerapamil 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