Healthcare provider profile · identity verified

Mary E Darcy, NP

Nurse Practitioner · DORCHESTER CENTER, MA · NPI 1649298654

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 Calcium422214
LisinoprilLisinopril230126
Amlodipine BesylateAmlodipine Besylate224127
Levothyroxine SodiumLevothyroxine Sodium220118
Metoprolol SuccinateMetoprolol Succinate19289
Losartan PotassiumLosartan Potassium17285
OmeprazoleOmeprazole17088
LorazepamLorazepam16593
GabapentinGabapentin13977
SimvastatinSimvastatin13669
EliquisApixaban11747
Rosuvastatin CalciumRosuvastatin Calcium11561
Trazodone HclTrazodone Hcl10854
Pantoprazole SodiumPantoprazole Sodium9442
Metformin HclMetformin Hcl8352
Albuterol Sulfate HfaAlbuterol Sulfate7950
FurosemideFurosemide7642
HydrochlorothiazideHydrochlorothiazide7449
AtenololAtenolol7229
Pravastatin SodiumPravastatin Sodium6534
Tramadol HclTramadol Hcl6339
Zolpidem TartrateZolpidem Tartrate6137
JardianceEmpagliflozin5925
Oxycodone HclOxycodone Hcl5744
OzempicSemaglutide5623
AlprazolamAlprazolam5437
Sertraline HclSertraline Hcl5427
SpironolactoneSpironolactone5027
Tamsulosin HclTamsulosin Hcl4935
Citalopram HbrCitalopram Hydrobromide4826
Fluoxetine HclFluoxetine Hcl4624
Potassium ChloridePotassium Chloride4523
AllopurinolAllopurinol4321
FamotidineFamotidine4223
Fluticasone PropionateFluticasone Propionate4125
Montelukast SodiumMontelukast Sodium4019
ClonazepamClonazepam3932
Escitalopram OxalateEscitalopram Oxalate3815
MirtazapineMirtazapine3714
IbuprofenIbuprofen3116
Ipratropium BromideIpratropium Bromide3125
Bupropion XlBupropion Hcl3016
Alendronate SodiumAlendronate Sodium2821
CarvedilolCarvedilol2811
Donepezil HclDonepezil Hcl28suppressed
EzetimibeEzetimibe2818
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen2822
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2719
PrednisonePrednisone2722
AzithromycinAzithromycin2623
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine2618
Diclofenac SodiumDiclofenac Sodium2613
FinasterideFinasteride25suppressed
JanuviaSitagliptin Phosphate2511
MounjaroTirzepatide2515
Metformin Hcl ErMetformin Hcl2314
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2321
Propranolol HclPropranolol Hcl2312
Duloxetine HclDuloxetine Hcl22suppressed
NystatinNystatin2111
Venlafaxine Hcl ErVenlafaxine Hcl2113
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine20suppressed
Metoprolol TartrateMetoprolol Tartrate2013
ValsartanValsartan2012
ChlorthalidoneChlorthalidone19suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl1914
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide1912
LidocaineLidocaine17suppressed
Warfarin SodiumWarfarin Sodium17suppressed
ClopidogrelClopidogrel Bisulfate16suppressed
Labetalol HclLabetalol Hcl16suppressed
Nifedipine ErNifedipine16suppressed
PregabalinPregabalin16suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter16suppressed
Ciprofloxacin HclCiprofloxacin Hcl1514
SynthroidLevothyroxine Sodium1511
ValacyclovirValacyclovir Hcl1513
DiazepamDiazepam1412
Memantine HclMemantine Hcl14suppressed
MethylprednisoloneMethylprednisolone1412
Olmesartan MedoxomilOlmesartan Medoxomil14suppressed
Wixela InhubFluticasone Propion/Salmeterol1411
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip13suppressed
GlimepirideGlimepiride13suppressed
Glipizide ErGlipizide13suppressed
Hydralazine HclHydralazine Hcl13suppressed
AcyclovirAcyclovir12suppressed
Meclizine HclMeclizine Hcl12suppressed
NaproxenNaproxen12suppressed
SymbicortBudesonide/Formoterol Fumarate12suppressed
Breo ElliptaFluticasone/Vilanterol11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide11suppressed

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