Healthcare provider profile · identity verified

Matthew Kessler

Internal Medicine · BREWSTER, NY · NPI 1720405194

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 Calcium540155
Amlodipine BesylateAmlodipine Besylate341105
Levothyroxine SodiumLevothyroxine Sodium26069
Losartan PotassiumLosartan Potassium20264
Rosuvastatin CalciumRosuvastatin Calcium20067
Pantoprazole SodiumPantoprazole Sodium19566
Metoprolol SuccinateMetoprolol Succinate16946
Zolpidem TartrateZolpidem Tartrate14831
LisinoprilLisinopril14244
IrbesartanIrbesartan13639
HydrochlorothiazideHydrochlorothiazide12940
Escitalopram OxalateEscitalopram Oxalate12638
LorazepamLorazepam11437
Metformin HclMetformin Hcl11434
OmeprazoleOmeprazole11231
Albuterol Sulfate HfaAlbuterol Sulfate11147
Pravastatin SodiumPravastatin Sodium11034
Metformin Hcl ErMetformin Hcl8925
FurosemideFurosemide8831
Tamsulosin HclTamsulosin Hcl8025
AllopurinolAllopurinol7723
EliquisApixaban7318
SimvastatinSimvastatin7318
Duloxetine HclDuloxetine Hcl7121
FamotidineFamotidine7020
OzempicSemaglutide7011
PrednisonePrednisone6543
GabapentinGabapentin6425
Sertraline HclSertraline Hcl6319
AtenololAtenolol6118
JardianceEmpagliflozin6114
Trazodone HclTrazodone Hcl6122
Oxycodone HclOxycodone Hcl5813
EzetimibeEzetimibe5715
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav5350
Bupropion XlBupropion Hcl5112
SynthroidLevothyroxine Sodium5115
ClopidogrelClopidogrel Bisulfate5018
Fluticasone PropionateFluticasone Propionate5018
Montelukast SodiumMontelukast Sodium5011
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril4912
ClonazepamClonazepam4911
CarvedilolCarvedilol4816
CefuroximeCefuroxime Axetil4846
Esomeprazole MagnesiumEsomeprazole Magnesium4411
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen4411
AlprazolamAlprazolam4316
SpironolactoneSpironolactone4213
Citalopram HbrCitalopram Hydrobromide4111
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3812
MirtazapineMirtazapine3714
RamiprilRamipril37suppressed
AzithromycinAzithromycin3533
Olmesartan MedoxomilOlmesartan Medoxomil3411
XareltoRivaroxaban34suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide33suppressed
Metoprolol TartrateMetoprolol Tartrate32suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3116
FinasterideFinasteride31suppressed
Tramadol HclTramadol Hcl30suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid30suppressed
Fluoxetine HclFluoxetine Hcl28suppressed
Doxycycline HyclateDoxycycline Hyclate2725
MeloxicamMeloxicam2712
Potassium ChloridePotassium Chloride27suppressed
ValsartanValsartan27suppressed
Hydromorphone HclHydromorphone Hcl25suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide25suppressed
Ondansetron OdtOndansetron2514
Ipratropium BromideIpratropium Bromide24suppressed
TemazepamTemazepam23suppressed
Warfarin SodiumWarfarin Sodium23suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide22suppressed
Triamcinolone AcetonideTriamcinolone Acetonide22suppressed
ColchicineColchicine21suppressed
FenofibrateFenofibrate Nanocrystallized20suppressed
ValacyclovirValacyclovir Hcl2016
AripiprazoleAripiprazole19suppressed
Ciprofloxacin HclCiprofloxacin Hcl1918
LansoprazoleLansoprazole19suppressed
LevetiracetamLevetiracetam19suppressed
AmoxicillinAmoxicillin17suppressed
Breo ElliptaFluticasone/Vilanterol17suppressed
EntrestoSacubitril/Valsartan17suppressed
EszopicloneEszopiclone17suppressed
TelmisartanTelmisartan17suppressed
TradjentaLinagliptin17suppressed
Alendronate SodiumAlendronate Sodium16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
GlimepirideGlimepiride16suppressed
MounjaroTirzepatide16suppressed
Meclizine HclMeclizine Hcl1513
PaxlovidNirmatrelvir/Ritonavir1515
TestosteroneTestosterone15suppressed
Azelastine HclAzelastine Hcl14suppressed
Glipizide ErGlipizide14suppressed
Arnuity ElliptaFluticasone Furoate13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine13suppressed
Donepezil HclDonepezil Hcl13suppressed
Doxazosin MesylateDoxazosin Mesylate13suppressed
FenofibrateFenofibrate13suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1311
Alfuzosin Hcl ErAlfuzosin Hcl12suppressed
Benazepril HclBenazepril Hcl12suppressed
Candesartan CilexetilCandesartan Cilexetil12suppressed
KetoconazoleKetoconazole12suppressed
TorsemideTorsemide12suppressed
VascepaIcosapent Ethyl12suppressed
HydrocortisoneHydrocortisone11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed
Tiadylt ErDiltiazem Hcl11suppressed
Venlafaxine Hcl ErVenlafaxine 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