Healthcare provider profile · identity verified

Katherine Penberthy, M.D.

Internal Medicine · GLOUCESTER CITY, NJ · NPI 1255420667

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 Calcium345122
Levothyroxine SodiumLevothyroxine Sodium19070
Amlodipine BesylateAmlodipine Besylate18872
LisinoprilLisinopril17268
Rosuvastatin CalciumRosuvastatin Calcium15365
Fluticasone PropionateFluticasone Propionate14964
GabapentinGabapentin13845
OmeprazoleOmeprazole13055
Metformin HclMetformin Hcl12153
Sertraline HclSertraline Hcl9337
Albuterol Sulfate HfaAlbuterol Sulfate8721
Losartan PotassiumLosartan Potassium8234
Pantoprazole SodiumPantoprazole Sodium8034
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride7920
Tramadol HclTramadol Hcl7822
Metoprolol SuccinateMetoprolol Succinate7729
HydrochlorothiazideHydrochlorothiazide7328
Cyclobenzaprine HclCyclobenzaprine Hcl6222
CarvedilolCarvedilol6019
Duloxetine HclDuloxetine Hcl5416
FamotidineFamotidine5424
AlprazolamAlprazolam4920
JardianceEmpagliflozin4814
Trazodone HclTrazodone Hcl4822
EliquisApixaban4615
Zolpidem TartrateZolpidem Tartrate46suppressed
TrulicityDulaglutide4513
ClonazepamClonazepam44suppressed
IbuprofenIbuprofen4417
Buspirone HclBuspirone Hcl43suppressed
FurosemideFurosemide4319
Bupropion XlBupropion Hcl3720
Metoprolol TartrateMetoprolol Tartrate3717
Pravastatin SodiumPravastatin Sodium3412
NaproxenNaproxen3312
GlimepirideGlimepiride31suppressed
MirtazapineMirtazapine31suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen29suppressed
Tamsulosin HclTamsulosin Hcl2911
Escitalopram OxalateEscitalopram Oxalate2812
MyrbetriqMirabegron28suppressed
PregabalinPregabalin28suppressed
Quetiapine FumarateQuetiapine Fumarate28suppressed
ChlorthalidoneChlorthalidone27suppressed
DiazepamDiazepam27suppressed
SimvastatinSimvastatin26suppressed
Montelukast SodiumMontelukast Sodium2513
Tizanidine HclTizanidine Hcl25suppressed
Ondansetron HclOndansetron Hcl2314
OzempicSemaglutide23suppressed
Alendronate SodiumAlendronate Sodium2211
Oxycodone HclOxycodone Hcl22suppressed
Paroxetine HclParoxetine Hcl22suppressed
ValsartanValsartan22suppressed
Venlafaxine Hcl ErVenlafaxine Hcl21suppressed
AtenololAtenolol20suppressed
LorazepamLorazepam20suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen20suppressed
Metformin Hcl ErMetformin Hcl19suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic19suppressed
Donepezil HclDonepezil Hcl18suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol18suppressed
JanuviaSitagliptin Phosphate18suppressed
SynthroidLevothyroxine Sodium18suppressed
Diclofenac SodiumDiclofenac Sodium17suppressed
Klor-Con M20Potassium Chloride17suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide17suppressed
Meclizine HclMeclizine Hcl1711
TopiramateTopiramate16suppressed
Triamcinolone AcetonideTriamcinolone Acetonide16suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1514
EzetimibeEzetimibe15suppressed
KetoconazoleKetoconazole1513
Potassium ChloridePotassium Chloride15suppressed
Ropinirole HclRopinirole Hcl15suppressed
Benazepril HclBenazepril Hcl14suppressed
MeloxicamMeloxicam14suppressed
MounjaroTirzepatide14suppressed
PrednisonePrednisone1411
Esomeprazole MagnesiumEsomeprazole Magnesium13suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter13suppressed
Ventolin HfaAlbuterol Sulfate13suppressed
Fluoxetine HclFluoxetine Hcl12suppressed
Humalog Kwikpen U-100Insulin Lispro12suppressed
Hydroxyzine HclHydroxyzine Hcl12suppressed
LamotrigineLamotrigine12suppressed
MethylprednisoloneMethylprednisolone12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro11suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11suppressed

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