Healthcare provider profile · identity verified

Robert V. Demartini, M.D.

Internal Medicine · GRAPEVINE, TX · NPI 1275544694

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
Donepezil HclDonepezil Hcl27432
Levothyroxine SodiumLevothyroxine Sodium23735
Memantine HclMemantine Hcl23628
Quetiapine FumarateQuetiapine Fumarate21623
Amlodipine BesylateAmlodipine Besylate19720
Atorvastatin CalciumAtorvastatin Calcium18924
EliquisApixaban16715
Sertraline HclSertraline Hcl13117
LisinoprilLisinopril11612
Metoprolol TartrateMetoprolol Tartrate105suppressed
Escitalopram OxalateEscitalopram Oxalate9712
Divalproex SodiumDivalproex Sodium9614
Tamsulosin HclTamsulosin Hcl9412
MirtazapineMirtazapine93suppressed
Citalopram HbrCitalopram Hydrobromide88suppressed
Paroxetine HclParoxetine Hcl79suppressed
Metoprolol SuccinateMetoprolol Succinate78suppressed
Trazodone HclTrazodone Hcl7712
RisperidoneRisperidone76suppressed
Losartan PotassiumLosartan Potassium75suppressed
Pantoprazole SodiumPantoprazole Sodium6711
CarvedilolCarvedilol61suppressed
Metformin HclMetformin Hcl59suppressed
Rosuvastatin CalciumRosuvastatin Calcium52suppressed
SimvastatinSimvastatin52suppressed
Potassium ChloridePotassium Chloride50suppressed
FamotidineFamotidine48suppressed
LorazepamLorazepam4512
GabapentinGabapentin41suppressed
ClopidogrelClopidogrel Bisulfate40suppressed
FurosemideFurosemide39suppressed
OmeprazoleOmeprazole39suppressed
Buspirone HclBuspirone Hcl36suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride34suppressed
ValsartanValsartan32suppressed
Fluoxetine HclFluoxetine Hcl31suppressed
HydrochlorothiazideHydrochlorothiazide30suppressed
Tramadol HclTramadol Hcl3011
Carbidopa-LevodopaCarbidopa/Levodopa29suppressed
Ciprofloxacin HclCiprofloxacin Hcl2821
Fludrocortisone AcetateFludrocortisone Acetate27suppressed
AllopurinolAllopurinol26suppressed
Propranolol Hcl ErPropranolol Hcl24suppressed
MeloxicamMeloxicam22suppressed
Midodrine HclMidodrine Hcl20suppressed
NitrofurantoinNitrofurantoin Macrocrystal20suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl20suppressed
Fluticasone PropionateFluticasone Propionate19suppressed
SpironolactoneSpironolactone19suppressed
AtenololAtenolol18suppressed
AzithromycinAzithromycin1816
Clonidine HclClonidine Hcl17suppressed
LatanoprostLatanoprost17suppressed
LevetiracetamLevetiracetam17suppressed
Propranolol HclPropranolol Hcl17suppressed
Tolterodine TartrateTolterodine Tartrate17suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid17suppressed
LovastatinLovastatin16suppressed
Memantine Hcl ErMemantine Hcl16suppressed
Montelukast SodiumMontelukast Sodium16suppressed
MyrbetriqMirabegron16suppressed
Alendronate SodiumAlendronate Sodium15suppressed
Amiodarone HclAmiodarone Hcl15suppressed
GlipizideGlipizide15suppressed
Tolterodine Tartrate ErTolterodine Tartrate15suppressed
Alfuzosin Hcl ErAlfuzosin Hcl14suppressed
AlogliptinAlogliptin Benzoate14suppressed
Benazepril HclBenazepril Hcl14suppressed
Bupropion XlBupropion Hcl14suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
Divalproex Sodium ErDivalproex Sodium14suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1412
Ondansetron HclOndansetron Hcl1414
Pravastatin SodiumPravastatin Sodium14suppressed
PrednisonePrednisone14suppressed
BaclofenBaclofen13suppressed
DigoxinDigoxin13suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine13suppressed
NamzaricMemantine Hcl/Donepezil Hcl13suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters13suppressed
Quetiapine Fumarate ErQuetiapine Fumarate13suppressed
DiazepamDiazepam12suppressed
PregabalinPregabalin12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Trospium Chloride ErTrospium Chloride12suppressed
Ezetimibe-SimvastatinEzetimibe/Simvastatin11suppressed
Olmesartan MedoxomilOlmesartan Medoxomil11suppressed
TemazepamTemazepam11suppressed

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