Healthcare provider profile · identity verified

Gregory Wayne Mallard, M.D.

Family Practice · PIGGOTT, AR · NPI 1235146846

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 Calcium406119
LisinoprilLisinopril35397
Levothyroxine SodiumLevothyroxine Sodium26470
Amlodipine BesylateAmlodipine Besylate24568
HydrochlorothiazideHydrochlorothiazide18852
Losartan PotassiumLosartan Potassium16844
Rosuvastatin CalciumRosuvastatin Calcium16448
OmeprazoleOmeprazole14543
SimvastatinSimvastatin13841
EliquisApixaban12926
Escitalopram OxalateEscitalopram Oxalate12830
Metformin HclMetformin Hcl12334
GabapentinGabapentin11826
Tamsulosin HclTamsulosin Hcl11832
Albuterol Sulfate HfaAlbuterol Sulfate10635
Metoprolol SuccinateMetoprolol Succinate10527
PrednisonePrednisone10164
Metoprolol TartrateMetoprolol Tartrate9824
Sertraline HclSertraline Hcl9020
Pantoprazole SodiumPantoprazole Sodium8922
AllopurinolAllopurinol8421
CarvedilolCarvedilol8022
FurosemideFurosemide7927
Metformin Hcl ErMetformin Hcl7826
Trazodone HclTrazodone Hcl7519
Montelukast SodiumMontelukast Sodium7118
MeloxicamMeloxicam5614
Pravastatin SodiumPravastatin Sodium5614
Ropinirole HclRopinirole Hcl55suppressed
Tizanidine HclTizanidine Hcl5519
Buspirone HclBuspirone Hcl5315
Amitriptyline HclAmitriptyline Hcl48suppressed
ClopidogrelClopidogrel Bisulfate4712
Warfarin SodiumWarfarin Sodium43suppressed
FamotidineFamotidine4111
Duloxetine HclDuloxetine Hcl3911
Esomeprazole MagnesiumEsomeprazole Magnesium38suppressed
Fluticasone PropionateFluticasone Propionate3819
MirtazapineMirtazapine3812
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3711
BaclofenBaclofen35suppressed
ColchicineColchicine35suppressed
Venlafaxine Hcl ErVenlafaxine Hcl35suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3433
Fluoxetine HclFluoxetine Hcl34suppressed
GlipizideGlipizide34suppressed
AzithromycinAzithromycin3324
Alendronate SodiumAlendronate Sodium32suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl32suppressed
Potassium ChloridePotassium Chloride3211
Bupropion XlBupropion Hcl31suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide31suppressed
Breo ElliptaFluticasone/Vilanterol29suppressed
FinasterideFinasteride29suppressed
GlimepirideGlimepiride29suppressed
Glipizide ErGlipizide29suppressed
JardianceEmpagliflozin29suppressed
Paroxetine HclParoxetine Hcl29suppressed
XareltoRivaroxaban29suppressed
SynthroidLevothyroxine Sodium28suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2717
Klor-Con M20Potassium Chloride26suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog26suppressed
Nifedipine ErNifedipine26suppressed
ChlorthalidoneChlorthalidone24suppressed
Ventolin HfaAlbuterol Sulfate23suppressed
AtenololAtenolol21suppressed
CephalexinCephalexin2116
Citalopram HbrCitalopram Hydrobromide21suppressed
Diclofenac SodiumDiclofenac Sodium21suppressed
OzempicSemaglutide21suppressed
Dicyclomine HclDicyclomine Hcl20suppressed
Donepezil HclDonepezil Hcl20suppressed
LamotrigineLamotrigine20suppressed
LevetiracetamLevetiracetam20suppressed
NystatinNystatin20suppressed
Pioglitazone HclPioglitazone Hcl20suppressed
Doxazosin MesylateDoxazosin Mesylate19suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1917
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog19suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl18suppressed
TrulicityDulaglutide18suppressed
AmoxicillinAmoxicillin1715
JanuviaSitagliptin Phosphate17suppressed
SpironolactoneSpironolactone17suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter17suppressed
AcyclovirAcyclovir16suppressed
Benazepril HclBenazepril Hcl16suppressed
Imipramine HclImipramine Hcl16suppressed
Tramadol HclTramadol Hcl16suppressed
Bupropion HclBupropion Hcl15suppressed
EzetimibeEzetimibe15suppressed
HydrocortisoneHydrocortisone15suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
Methylphenidate HclMethylphenidate Hcl15suppressed
TopiramateTopiramate15suppressed
Quetiapine FumarateQuetiapine Fumarate14suppressed
LatanoprostLatanoprost13suppressed
LovastatinLovastatin13suppressed
NitroglycerinNitroglycerin13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
Hydralazine HclHydralazine Hcl12suppressed
LansoprazoleLansoprazole12suppressed
SymbicortBudesonide/Formoterol Fumarate12suppressed
Alfuzosin Hcl ErAlfuzosin Hcl11suppressed
FluconazoleFluconazole11suppressed
Hydroxyzine HclHydroxyzine 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