Healthcare provider profile · identity verified

Ludovic Duffroy, APRN

Nurse Practitioner · CONCORD, NH · NPI 1932655032

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
EliquisApixaban24214
Atorvastatin CalciumAtorvastatin Calcium21028
Levothyroxine SodiumLevothyroxine Sodium20719
Pantoprazole SodiumPantoprazole Sodium19027
LisinoprilLisinopril18320
Sertraline HclSertraline Hcl17717
MirtazapineMirtazapine16326
FurosemideFurosemide15727
Quetiapine FumarateQuetiapine Fumarate15117
LorazepamLorazepam14032
Amlodipine BesylateAmlodipine Besylate12917
Potassium ChloridePotassium Chloride11623
OlanzapineOlanzapine10714
Losartan PotassiumLosartan Potassium105suppressed
GabapentinGabapentin9811
Metoprolol SuccinateMetoprolol Succinate9614
Metoprolol TartrateMetoprolol Tartrate81suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog73suppressed
Warfarin SodiumWarfarin Sodium73suppressed
Donepezil HclDonepezil Hcl69suppressed
Incruse ElliptaUmeclidinium Bromide65suppressed
Trazodone HclTrazodone Hcl6411
Escitalopram OxalateEscitalopram Oxalate63suppressed
Tamsulosin HclTamsulosin Hcl58suppressed
Duloxetine HclDuloxetine Hcl55suppressed
Buspirone HclBuspirone Hcl53suppressed
TorsemideTorsemide53suppressed
Venlafaxine Hcl ErVenlafaxine Hcl53suppressed
Metformin HclMetformin Hcl51suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog49suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate4825
Memantine HclMemantine Hcl48suppressed
Metformin Hcl ErMetformin Hcl47suppressed
RisperidoneRisperidone47suppressed
TradjentaLinagliptin45suppressed
Hydralazine HclHydralazine Hcl44suppressed
Fluoxetine HclFluoxetine Hcl43suppressed
SpironolactoneSpironolactone43suppressed
LatanoprostLatanoprost42suppressed
SimvastatinSimvastatin40suppressed
ClonazepamClonazepam39suppressed
CarvedilolCarvedilol38suppressed
Oxycodone HclOxycodone Hcl3812
Tramadol HclTramadol Hcl3811
AlprazolamAlprazolam37suppressed
Ropinirole HclRopinirole Hcl32suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter32suppressed
AllopurinolAllopurinol31suppressed
Fluticasone PropionateFluticasone Propionate30suppressed
GemtesaVibegron30suppressed
PhenobarbitalPhenobarbital30suppressed
Albuterol SulfateAlbuterol Sulfate2912
Citalopram HbrCitalopram Hydrobromide29suppressed
Enalapril MaleateEnalapril Maleate27suppressed
Benztropine MesylateBenztropine Mesylate26suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate26suppressed
LamotrigineLamotrigine26suppressed
Paroxetine HclParoxetine Hcl26suppressed
PrednisonePrednisone26suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl25suppressed
FarxigaDapagliflozin Propanediol24suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen23suppressed
AtenololAtenolol22suppressed
BelbucaBuprenorphine Hcl22suppressed
BaclofenBaclofen21suppressed
Breo ElliptaFluticasone/Vilanterol20suppressed
Divalproex Sodium ErDivalproex Sodium20suppressed
Ipratropium BromideIpratropium Bromide20suppressed
LactuloseLactulose20suppressed
MyrbetriqMirabegron20suppressed
CarbamazepineCarbamazepine18suppressed
Galantamine HbrGalantamine Hbr18suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn18suppressed
JanuviaSitagliptin Phosphate18suppressed
VascepaIcosapent Ethyl18suppressed
GlipizideGlipizide17suppressed
LantusInsulin Glargine,hum.Rec.Anlog17suppressed
LevemirInsulin Detemir17suppressed
NystatinNystatin17suppressed
Ondansetron HclOndansetron Hcl1716
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1612
BudesonideBudesonide16suppressed
Semglee (Yfgn) PenInsulin Glargine-Yfgn16suppressed
Tresiba Flextouch U-100Insulin Degludec16suppressed
AripiprazoleAripiprazole15suppressed
FamciclovirFamciclovir15suppressed
HydrochlorothiazideHydrochlorothiazide15suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
Lagevrio (Eua)Molnupiravir1515
NitrofurantoinNitrofurantoin Macrocrystal15suppressed
TopiramateTopiramate15suppressed
Venlafaxine HclVenlafaxine Hcl15suppressed
BrinzolamideBrinzolamide14suppressed
Cholestyramine LightCholestyramine14suppressed
IbuprofenIbuprofen14suppressed
Tizanidine HclTizanidine Hcl14suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr13suppressed
Arnuity ElliptaFluticasone Furoate13suppressed
DigoxinDigoxin13suppressed
FentanylFentanyl13suppressed
PregabalinPregabalin13suppressed
Rosuvastatin CalciumRosuvastatin Calcium13suppressed
TrulicityDulaglutide13suppressed
ZenpepLipase/Protease/Amylase13suppressed
Albuterol Sulfate HfaAlbuterol Sulfate12suppressed
Bupropion HclBupropion Hcl12suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
CalcitriolCalcitriol12suppressed
DilantinPhenytoin Sodium Extended12suppressed
GemfibrozilGemfibrozil12suppressed
LacosamideLacosamide12suppressed
Morphine SulfateMorphine Sulfate12suppressed
OzempicSemaglutide12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1211
ClopidogrelClopidogrel Bisulfate11suppressed
HaloperidolHaloperidol11suppressed
Nifedipine ErNifedipine11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed
ValsartanValsartan11suppressed

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