Healthcare provider profile · identity verified

David A Dunn, MD

Family Practice · MORRISTOWN, NY · NPI 1801824255

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 Sodium969184
FurosemideFurosemide52788
OmeprazoleOmeprazole490121
Atorvastatin CalciumAtorvastatin Calcium465109
Amlodipine BesylateAmlodipine Besylate38982
SimvastatinSimvastatin37386
LisinoprilLisinopril34686
Losartan PotassiumLosartan Potassium26060
HydrochlorothiazideHydrochlorothiazide23954
GabapentinGabapentin23463
Potassium ChloridePotassium Chloride22544
GlipizideGlipizide21957
Metformin HclMetformin Hcl21648
Metoprolol SuccinateMetoprolol Succinate20644
Duloxetine HclDuloxetine Hcl20439
Metoprolol TartrateMetoprolol Tartrate19139
EliquisApixaban19037
FamotidineFamotidine18646
XareltoRivaroxaban17117
Quetiapine FumarateQuetiapine Fumarate14917
Paroxetine HclParoxetine Hcl13930
Rosuvastatin CalciumRosuvastatin Calcium13529
FinasterideFinasteride11929
Tamsulosin HclTamsulosin Hcl11928
Donepezil HclDonepezil Hcl11718
ClopidogrelClopidogrel Bisulfate11128
Albuterol Sulfate HfaAlbuterol Sulfate10947
PrednisonePrednisone9922
AllopurinolAllopurinol9523
Pantoprazole SodiumPantoprazole Sodium9541
AtenololAtenolol9423
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav9265
Escitalopram OxalateEscitalopram Oxalate8614
Trazodone HclTrazodone Hcl8120
Sertraline HclSertraline Hcl7514
SynthroidLevothyroxine Sodium6711
Memantine HclMemantine Hcl66suppressed
JanuviaSitagliptin Phosphate6513
Citalopram HbrCitalopram Hydrobromide6412
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate6416
CarvedilolCarvedilol6317
Lantus SolostarInsulin Glargine,hum.Rec.Anlog6111
Ciprofloxacin HclCiprofloxacin Hcl5935
Diltiazem 24hr Er (Cd)Diltiazem Hcl5815
Carbidopa-LevodopaCarbidopa/Levodopa51suppressed
EntrestoSacubitril/Valsartan51suppressed
Morphine SulfateMorphine Sulfate5136
DigoxinDigoxin50suppressed
TrulicityDulaglutide50suppressed
Enalapril MaleateEnalapril Maleate49suppressed
Montelukast SodiumMontelukast Sodium4912
Isosorbide Mononitrate ErIsosorbide Mononitrate48suppressed
JardianceEmpagliflozin4817
RisperidoneRisperidone46suppressed
Divalproex Sodium ErDivalproex Sodium44suppressed
EzetimibeEzetimibe4411
Fluticasone-SalmeterolFluticasone Propion/Salmeterol43suppressed
Pravastatin SodiumPravastatin Sodium4311
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen42suppressed
Buspirone HclBuspirone Hcl4111
LorazepamLorazepam4029
Divalproex SodiumDivalproex Sodium38suppressed
AzithromycinAzithromycin3728
Amiodarone HclAmiodarone Hcl35suppressed
ColchicineColchicine35suppressed
LovastatinLovastatin34suppressed
SpironolactoneSpironolactone34suppressed
Fluticasone PropionateFluticasone Propionate3315
LevetiracetamLevetiracetam33suppressed
Propranolol HclPropranolol Hcl33suppressed
Bisoprolol FumarateBisoprolol Fumarate32suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride32suppressed
Warfarin SodiumWarfarin Sodium32suppressed
Doxazosin MesylateDoxazosin Mesylate31suppressed
IbuprofenIbuprofen3111
Oxybutynin Chloride ErOxybutynin Chloride31suppressed
LantusInsulin Glargine,hum.Rec.Anlog30suppressed
BaclofenBaclofen29suppressed
OlanzapineOlanzapine29suppressed
HydrocortisoneHydrocortisone27suppressed
LatanoprostLatanoprost27suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide27suppressed
MeloxicamMeloxicam27suppressed
Dilt-XrDiltiazem Hcl26suppressed
Triamcinolone AcetonideTriamcinolone Acetonide26suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn25suppressed
NystatinNystatin2513
Doxycycline HyclateDoxycycline Hyclate2415
ChlorthalidoneChlorthalidone22suppressed
Prednisolone AcetatePrednisolone Acetate22suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc21suppressed
Tramadol HclTramadol Hcl21suppressed
ZirganGanciclovir21suppressed
Insulin Aspart FlexpenInsulin Aspart20suppressed
PrimidonePrimidone20suppressed
RamiprilRamipril20suppressed
Glipizide ErGlipizide19suppressed
LevofloxacinLevofloxacin19suppressed
Oxybutynin ChlorideOxybutynin Chloride18suppressed
Hydroxyzine HclHydroxyzine Hcl17suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro17suppressed
OzempicSemaglutide17suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid17suppressed
Brimonidine TartrateBrimonidine Tartrate16suppressed
Fluoxetine HclFluoxetine Hcl16suppressed
MethimazoleMethimazole16suppressed
Ropinirole HclRopinirole Hcl16suppressed
LumiganBimatoprost15suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa14suppressed
Diltiazem 24hr ErDiltiazem Hcl14suppressed
MirtazapineMirtazapine14suppressed
Monoject Insulin SyringeSyringe-Needle,insulin,0.5 Ml14suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter14suppressed
AripiprazoleAripiprazole13suppressed
ClonazepamClonazepam13suppressed
Klor-ConPotassium Chloride13suppressed
LansoprazoleLansoprazole13suppressed
Metformin Hcl ErMetformin Hcl13suppressed
Novolog FlexpenInsulin Aspart13suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended13suppressed
ValacyclovirValacyclovir Hcl13suppressed
ValsartanValsartan13suppressed
BrinzolamideBrinzolamide12suppressed
Bupropion XlBupropion Hcl12suppressed
Dutasteride-TamsulosinDutasteride/Tamsulosin Hcl12suppressed
FluconazoleFluconazole12suppressed
Solifenacin SuccinateSolifenacin Succinate12suppressed
Terazosin HclTerazosin Hcl12suppressed
Unifine Pentips PlusPen Needle, Diabetic12suppressed
Acetaminophen-CodeineAcetaminophen With Codeine11suppressed
BrilintaTicagrelor11suppressed
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat11suppressed
Np ThyroidThyroid,pork11suppressed
Tizanidine HclTizanidine Hcl11suppressed
TorsemideTorsemide11suppressed

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