Healthcare provider profile · identity verified

Maria Kontos, DO

Internal Medicine · WILLIAMSVILLE, NY · NPI 1003302910

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
Rosuvastatin CalciumRosuvastatin Calcium25789
Atorvastatin CalciumAtorvastatin Calcium21369
Levothyroxine SodiumLevothyroxine Sodium20768
LisinoprilLisinopril15350
Amlodipine BesylateAmlodipine Besylate13652
HydrochlorothiazideHydrochlorothiazide13447
Losartan PotassiumLosartan Potassium12040
Metformin Hcl ErMetformin Hcl9433
OmeprazoleOmeprazole8527
FamotidineFamotidine7626
Metoprolol SuccinateMetoprolol Succinate7229
FurosemideFurosemide6522
Sertraline HclSertraline Hcl6119
SynthroidLevothyroxine Sodium5916
Escitalopram OxalateEscitalopram Oxalate5018
IrbesartanIrbesartan4615
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4536
GabapentinGabapentin4411
Albuterol Sulfate HfaAlbuterol Sulfate4222
Fluticasone PropionateFluticasone Propionate4216
SimvastatinSimvastatin3915
AlprazolamAlprazolam3815
Metformin HclMetformin Hcl3414
Metoprolol TartrateMetoprolol Tartrate3411
Pantoprazole SodiumPantoprazole Sodium3416
Tramadol HclTramadol Hcl34suppressed
Potassium ChloridePotassium Chloride3313
EzetimibeEzetimibe3213
Alendronate SodiumAlendronate Sodium2912
EliquisApixaban2916
LovastatinLovastatin27suppressed
AzithromycinAzithromycin2622
Pravastatin SodiumPravastatin Sodium26suppressed
CarvedilolCarvedilol25suppressed
IbuprofenIbuprofen25suppressed
ValacyclovirValacyclovir Hcl23suppressed
Fluoxetine HclFluoxetine Hcl22suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol22suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2220
Benazepril HclBenazepril Hcl21suppressed
Buspirone HclBuspirone Hcl2112
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2112
Pioglitazone HclPioglitazone Hcl21suppressed
Zolpidem TartrateZolpidem Tartrate20suppressed
Bupropion XlBupropion Hcl19suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide19suppressed
BaclofenBaclofen18suppressed
JardianceEmpagliflozin18suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide18suppressed
MounjaroTirzepatide18suppressed
Tizanidine HclTizanidine Hcl18suppressed
Glipizide ErGlipizide17suppressed
OzempicSemaglutide17suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid17suppressed
ChlorthalidoneChlorthalidone16suppressed
FenofibrateFenofibrate,micronized16suppressed
Hydralazine HclHydralazine Hcl16suppressed
TrulicityDulaglutide16suppressed
ClopidogrelClopidogrel Bisulfate15suppressed
AtenololAtenolol14suppressed
Citalopram HbrCitalopram Hydrobromide14suppressed
Duloxetine HclDuloxetine Hcl14suppressed
Raloxifene HclRaloxifene Hcl14suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril13suppressed
AmoxicillinAmoxicillin13suppressed
Hydroxyzine HclHydroxyzine Hcl13suppressed
Nifedipine ErNifedipine13suppressed
Azelastine HclAzelastine Hcl12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
RamiprilRamipril12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
Fluticasone Propionate HfaFluticasone Propionate11suppressed
MirtazapineMirtazapine11suppressed
Propranolol HclPropranolol Hcl11suppressed
Spiriva HandihalerTiotropium Bromide11suppressed
Tamsulosin HclTamsulosin Hcl11suppressed
Warfarin SodiumWarfarin Sodium11suppressed

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