Healthcare provider profile · identity verified

Denise Spence, MD

Internal Medicine · AMHERST, MA · NPI 1447358106

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 Calcium482149
Levothyroxine SodiumLevothyroxine Sodium464128
Amlodipine BesylateAmlodipine Besylate36998
LisinoprilLisinopril29189
ValsartanValsartan19161
Metoprolol SuccinateMetoprolol Succinate17151
OmeprazoleOmeprazole16560
GabapentinGabapentin16049
FurosemideFurosemide15555
Rosuvastatin CalciumRosuvastatin Calcium15246
AtenololAtenolol13740
Trazodone HclTrazodone Hcl13541
Fluticasone PropionateFluticasone Propionate13159
LorazepamLorazepam12454
Losartan PotassiumLosartan Potassium12341
Metformin HclMetformin Hcl12338
SimvastatinSimvastatin11432
Citalopram HbrCitalopram Hydrobromide11228
Escitalopram OxalateEscitalopram Oxalate10828
Albuterol Sulfate HfaAlbuterol Sulfate10649
Bupropion XlBupropion Hcl9823
Oxycodone HclOxycodone Hcl9525
EliquisApixaban9324
Sertraline HclSertraline Hcl9231
HydrochlorothiazideHydrochlorothiazide8630
AllopurinolAllopurinol8520
Zolpidem TartrateZolpidem Tartrate7817
Tramadol HclTramadol Hcl7126
Pravastatin SodiumPravastatin Sodium6822
Fluoxetine HclFluoxetine Hcl6718
Pantoprazole SodiumPantoprazole Sodium6719
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid6620
Olmesartan MedoxomilOlmesartan Medoxomil6523
AlprazolamAlprazolam6314
ClonazepamClonazepam6214
Duloxetine HclDuloxetine Hcl5820
PrednisonePrednisone5747
SynthroidLevothyroxine Sodium5715
Doxycycline MonohydrateDoxycycline Monohydrate5644
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen56suppressed
ValacyclovirValacyclovir Hcl5529
Diltiazem 24hr Er (Cd)Diltiazem Hcl5218
FamotidineFamotidine5223
MeloxicamMeloxicam5216
Metoprolol TartrateMetoprolol Tartrate5216
Metformin Hcl ErMetformin Hcl4914
Tamsulosin HclTamsulosin Hcl4816
Montelukast SodiumMontelukast Sodium4711
LovastatinLovastatin43suppressed
Sumatriptan SuccinateSumatriptan Succinate41suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine40suppressed
Labetalol HclLabetalol Hcl4011
JardianceEmpagliflozin37suppressed
EstradiolEstradiol3618
Triamcinolone AcetonideTriamcinolone Acetonide3526
Ventolin HfaAlbuterol Sulfate3511
DiazepamDiazepam34suppressed
Diclofenac SodiumDiclofenac Sodium3311
Breo ElliptaFluticasone/Vilanterol32suppressed
PaxlovidNirmatrelvir/Ritonavir3232
XareltoRivaroxaban32suppressed
Bupropion Hcl SrBupropion Hcl31suppressed
IrbesartanIrbesartan31suppressed
CarvedilolCarvedilol3012
ClopidogrelClopidogrel Bisulfate29suppressed
PregabalinPregabalin29suppressed
Wixela InhubFluticasone Propion/Salmeterol2914
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen28suppressed
Venlafaxine Hcl ErVenlafaxine Hcl27suppressed
AmoxicillinAmoxicillin2620
BaclofenBaclofen26suppressed
CelecoxibCelecoxib2612
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2620
SpironolactoneSpironolactone26suppressed
Pioglitazone HclPioglitazone Hcl24suppressed
AcyclovirAcyclovir23suppressed
Potassium ChloridePotassium Chloride23suppressed
Atenolol-ChlorthalidoneAtenolol/Chlorthalidone22suppressed
Doxepin HclDoxepin Hcl22suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide22suppressed
Ropinirole HclRopinirole Hcl22suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2220
Warfarin SodiumWarfarin Sodium21suppressed
Alendronate SodiumAlendronate Sodium20suppressed
Enalapril MaleateEnalapril Maleate20suppressed
IbuprofenIbuprofen20suppressed
AzithromycinAzithromycin1919
MirtazapineMirtazapine19suppressed
Ondansetron HclOndansetron Hcl19suppressed
OzempicSemaglutide19suppressed
RepaglinideRepaglinide19suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl18suppressed
Ipratropium BromideIpratropium Bromide18suppressed
NystatinNystatin1812
Raloxifene HclRaloxifene Hcl18suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide18suppressed
FarxigaDapagliflozin Propanediol17suppressed
HydrocortisoneHydrocortisone17suppressed
JantovenWarfarin Sodium17suppressed
Morphine SulfateMorphine Sulfate17suppressed
MounjaroTirzepatide17suppressed
TemazepamTemazepam17suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter17suppressed
CephalexinCephalexin1616
EzetimibeEzetimibe16suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl16suppressed
CarisoprodolCarisoprodol15suppressed
Oxybutynin Chloride ErOxybutynin Chloride15suppressed
Terazosin HclTerazosin Hcl15suppressed
Tizanidine HclTizanidine Hcl15suppressed
EpinephrineEpinephrine1413
EszopicloneEszopiclone14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
Incruse ElliptaUmeclidinium Bromide14suppressed
LamotrigineLamotrigine14suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride14suppressed
SymbicortBudesonide/Formoterol Fumarate14suppressed
YuvafemEstradiol14suppressed
Divalproex Sodium ErDivalproex Sodium13suppressed
FenofibrateFenofibrate,micronized13suppressed
Nifedipine ErNifedipine13suppressed
NitroglycerinNitroglycerin13suppressed
Amitriptyline HclAmitriptyline Hcl12suppressed
Butalb-Acetaminoph-Caff-CodeinButalbit/Acetamin/Caff/Codeine12suppressed
Clobetasol PropionateClobetasol Propionate12suppressed
Donepezil HclDonepezil Hcl12suppressed
Lo-ZumandimineEthinyl Estradiol/Drospirenone12suppressed
Propranolol HclPropranolol Hcl12suppressed
CholestyramineCholestyramine (With Sugar)11suppressed
Liothyronine SodiumLiothyronine Sodium11suppressed
Midodrine HclMidodrine Hcl11suppressed
ModafinilModafinil11suppressed
Spiriva HandihalerTiotropium Bromide11suppressed
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