Healthcare provider profile · identity verified

Grayson Smith, MD

Internal Medicine · SAN MARCOS, TX · NPI 1740224567

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
Levothyroxine SodiumLevothyroxine Sodium405109
MeloxicamMeloxicam340103
LisinoprilLisinopril32598
Amlodipine BesylateAmlodipine Besylate31785
Atorvastatin CalciumAtorvastatin Calcium27481
Rosuvastatin CalciumRosuvastatin Calcium24979
OmeprazoleOmeprazole24472
Losartan PotassiumLosartan Potassium23664
Metformin HclMetformin Hcl22469
Pantoprazole SodiumPantoprazole Sodium21461
Metoprolol SuccinateMetoprolol Succinate20363
PrednisonePrednisone181116
HydrochlorothiazideHydrochlorothiazide18052
Pravastatin SodiumPravastatin Sodium15846
Sertraline HclSertraline Hcl15247
Albuterol Sulfate HfaAlbuterol Sulfate14134
GlipizideGlipizide13637
LovastatinLovastatin12234
Tamsulosin HclTamsulosin Hcl12136
AzithromycinAzithromycin11286
FurosemideFurosemide11034
GabapentinGabapentin10034
Montelukast SodiumMontelukast Sodium9328
AllopurinolAllopurinol8924
Trazodone HclTrazodone Hcl8819
Fluticasone PropionateFluticasone Propionate8634
SimvastatinSimvastatin7825
FamotidineFamotidine7621
Doxazosin MesylateDoxazosin Mesylate7421
Metformin Hcl ErMetformin Hcl6717
Pioglitazone HclPioglitazone Hcl6718
CarvedilolCarvedilol6625
Tramadol HclTramadol Hcl6226
ValsartanValsartan6117
Potassium ChloridePotassium Chloride6020
Citalopram HbrCitalopram Hydrobromide5715
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5515
EliquisApixaban5115
FinasterideFinasteride5014
SynthroidLevothyroxine Sodium5015
AmoxicillinAmoxicillin4937
EzetimibeEzetimibe4614
Meclizine HclMeclizine Hcl4523
Metoprolol TartrateMetoprolol Tartrate4512
LorazepamLorazepam44suppressed
Zolpidem TartrateZolpidem Tartrate4414
LevofloxacinLevofloxacin4235
OzempicSemaglutide4111
ClopidogrelClopidogrel Bisulfate39suppressed
AtenololAtenolol38suppressed
CephalexinCephalexin3833
Duloxetine HclDuloxetine Hcl3812
Escitalopram OxalateEscitalopram Oxalate3816
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3733
Bupropion XlBupropion Hcl37suppressed
CelecoxibCelecoxib34suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid30suppressed
ClonazepamClonazepam29suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium29suppressed
JanuviaSitagliptin Phosphate29suppressed
Oxybutynin Chloride ErOxybutynin Chloride29suppressed
Alendronate SodiumAlendronate Sodium28suppressed
NystatinNystatin2812
AlprazolamAlprazolam2712
Ciprofloxacin HclCiprofloxacin Hcl2725
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2718
FenofibrateFenofibrate26suppressed
Benazepril HclBenazepril Hcl25suppressed
RybelsusSemaglutide23suppressed
ValacyclovirValacyclovir Hcl23suppressed
Venlafaxine Hcl ErVenlafaxine Hcl23suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide22suppressed
PregabalinPregabalin22suppressed
Quetiapine FumarateQuetiapine Fumarate22suppressed
Hydralazine HclHydralazine Hcl21suppressed
Olmesartan MedoxomilOlmesartan Medoxomil19suppressed
Ondansetron OdtOndansetron19suppressed
PaxlovidNirmatrelvir/Ritonavir1918
Buspirone HclBuspirone Hcl18suppressed
ColchicineColchicine1814
Diclofenac SodiumDiclofenac Sodium18suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide18suppressed
MyrbetriqMirabegron18suppressed
TestosteroneTestosterone17suppressed
Testosterone CypionateTestosterone Cypionate17suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide17suppressed
Azelastine HclAzelastine Hcl16suppressed
FluconazoleFluconazole1612
IrbesartanIrbesartan16suppressed
Novolog FlexpenInsulin Aspart16suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl16suppressed
Raloxifene HclRaloxifene Hcl16suppressed
Amitriptyline HclAmitriptyline Hcl15suppressed
Enalapril MaleateEnalapril Maleate15suppressed
GlimepirideGlimepiride15suppressed
RamiprilRamipril15suppressed
Tizanidine HclTizanidine Hcl15suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril14suppressed
EszopicloneEszopiclone14suppressed
MounjaroTirzepatide14suppressed
Oxybutynin ChlorideOxybutynin Chloride14suppressed
Triamcinolone AcetonideTriamcinolone Acetonide13suppressed
Glipizide ErGlipizide12suppressed
MupirocinMupirocin12suppressed
SymbicortBudesonide/Formoterol Fumarate12suppressed
Aspirin-Dipyridamole ErAspirin/Dipyridamole11suppressed
Combivent RespimatIpratropium/Albuterol Sulfate11suppressed
EstradiolEstradiol11suppressed
LamotrigineLamotrigine11suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic11suppressed
Paroxetine HclParoxetine Hcl11suppressed
SucralfateSucralfate11suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic11suppressed

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