Healthcare provider profile · identity verified

Heidi Singer, CRNP

Nurse Practitioner · ALLENTOWN, PA · NPI 1710082524

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
Escitalopram OxalateEscitalopram Oxalate18138
GabapentinGabapentin15821
MirtazapineMirtazapine12724
Trazodone HclTrazodone Hcl12727
Atorvastatin CalciumAtorvastatin Calcium12013
Donepezil HclDonepezil Hcl11431
LisinoprilLisinopril10916
Quetiapine FumarateQuetiapine Fumarate10221
EliquisApixaban10114
LorazepamLorazepam9928
Sertraline HclSertraline Hcl9926
OlanzapineOlanzapine9512
ClonazepamClonazepam9415
Divalproex SodiumDivalproex Sodium9322
Pantoprazole SodiumPantoprazole Sodium8913
Oxycodone HclOxycodone Hcl8512
RisperidoneRisperidone8511
Metoprolol SuccinateMetoprolol Succinate8414
Memantine HclMemantine Hcl7818
Lantus SolostarInsulin Glargine,hum.Rec.Anlog74suppressed
FamotidineFamotidine72suppressed
Metoprolol TartrateMetoprolol Tartrate7112
Citalopram HbrCitalopram Hydrobromide7014
FurosemideFurosemide6615
Buspirone HclBuspirone Hcl6215
Levothyroxine SodiumLevothyroxine Sodium58suppressed
AripiprazoleAripiprazole5211
CarbamazepineCarbamazepine48suppressed
Losartan PotassiumLosartan Potassium48suppressed
Tamsulosin HclTamsulosin Hcl47suppressed
Tramadol HclTramadol Hcl4014
Amlodipine BesylateAmlodipine Besylate37suppressed
Duloxetine HclDuloxetine Hcl3412
Metformin HclMetformin Hcl33suppressed
Silver SulfadiazineSilver Sulfadiazine33suppressed
TorsemideTorsemide33suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro32suppressed
Bupropion XlBupropion Hcl31suppressed
Potassium ChloridePotassium Chloride30suppressed
TravoprostTravoprost30suppressed
OmeprazoleOmeprazole29suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog26suppressed
LevetiracetamLevetiracetam26suppressed
Warfarin SodiumWarfarin Sodium25suppressed
Benztropine MesylateBenztropine Mesylate22suppressed
LamotrigineLamotrigine22suppressed
Carbidopa-LevodopaCarbidopa/Levodopa21suppressed
HydrochlorothiazideHydrochlorothiazide20suppressed
Alendronate SodiumAlendronate Sodium19suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen19suppressed
LatanoprostLatanoprost19suppressed
TradjentaLinagliptin19suppressed
Divalproex Sodium ErDivalproex Sodium18suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium17suppressed
HydrocortisoneHydrocortisone17suppressed
Novolog FlexpenInsulin Aspart17suppressed
Paroxetine HclParoxetine Hcl17suppressed
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat16suppressed
FarxigaDapagliflozin Propanediol16suppressed
Morphine SulfateMorphine Sulfate16suppressed
Albuterol SulfateAlbuterol Sulfate1512
Alphagan PBrimonidine Tartrate14suppressed
DiazepamDiazepam14suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
Hydralazine HclHydralazine Hcl14suppressed
Ondansetron HclOndansetron Hcl1413
PregabalinPregabalin14suppressed
SimvastatinSimvastatin14suppressed
TopiramateTopiramate14suppressed
XareltoRivaroxaban14suppressed
Amiodarone HclAmiodarone Hcl13suppressed
Fluticasone PropionateFluticasone Propionate13suppressed
IbuprofenIbuprofen13suppressed
NystatinNystatin13suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
PrimidonePrimidone13suppressed
RepaglinideRepaglinide13suppressed
Verapamil HclVerapamil Hcl13suppressed
BaclofenBaclofen12suppressed
CholestyramineCholestyramine (With Sugar)12suppressed
LacosamideLacosamide12suppressed
Spiriva RespimatTiotropium Bromide12suppressed
Valproic AcidValproic Acid (As Sodium Salt)12suppressed
PrednisonePrednisone11suppressed
Rosuvastatin CalciumRosuvastatin Calcium11suppressed

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