Healthcare provider profile · identity verified

Marisa Gefen, M.D.

Internal Medicine · PHILADELPHIA, PA · NPI 1386846806

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 Calcium659135
Amlodipine BesylateAmlodipine Besylate48499
OmeprazoleOmeprazole24649
Losartan PotassiumLosartan Potassium22841
Duloxetine HclDuloxetine Hcl22643
Albuterol Sulfate HfaAlbuterol Sulfate22543
CarvedilolCarvedilol16128
Metoprolol SuccinateMetoprolol Succinate14534
Metformin HclMetformin Hcl14433
GabapentinGabapentin13327
LisinoprilLisinopril13233
Rosuvastatin CalciumRosuvastatin Calcium13229
FurosemideFurosemide12225
JardianceEmpagliflozin11819
SpironolactoneSpironolactone11023
OzempicSemaglutide10721
HydrochlorothiazideHydrochlorothiazide9930
EliquisApixaban8717
Escitalopram OxalateEscitalopram Oxalate8316
Nifedipine ErNifedipine8312
Quetiapine FumarateQuetiapine Fumarate82suppressed
Levothyroxine SodiumLevothyroxine Sodium7716
Diclofenac SodiumDiclofenac Sodium7416
SimvastatinSimvastatin6911
Trelegy ElliptaFluticasone/Umeclidin/Vilanter59suppressed
Sertraline HclSertraline Hcl5612
FamotidineFamotidine5411
Fluticasone PropionateFluticasone Propionate5413
Breo ElliptaFluticasone/Vilanterol53suppressed
Bupropion XlBupropion Hcl50suppressed
Pantoprazole SodiumPantoprazole Sodium49suppressed
Potassium ChloridePotassium Chloride4912
Lantus SolostarInsulin Glargine,hum.Rec.Anlog47suppressed
Montelukast SodiumMontelukast Sodium45suppressed
Tamsulosin HclTamsulosin Hcl44suppressed
Alendronate SodiumAlendronate Sodium4111
EntrestoSacubitril/Valsartan40suppressed
MounjaroTirzepatide38suppressed
Metoprolol TartrateMetoprolol Tartrate3714
TelmisartanTelmisartan37suppressed
AllopurinolAllopurinol36suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate35suppressed
Hydralazine HclHydralazine Hcl34suppressed
Trazodone HclTrazodone Hcl33suppressed
MyrbetriqMirabegron32suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr3111
Incruse ElliptaUmeclidinium Bromide31suppressed
PregabalinPregabalin31suppressed
Triamcinolone AcetonideTriamcinolone Acetonide31suppressed
PrednisonePrednisone2917
AripiprazoleAripiprazole28suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium28suppressed
LinzessLinaclotide28suppressed
Metformin Hcl ErMetformin Hcl28suppressed
MirtazapineMirtazapine28suppressed
Propranolol HclPropranolol Hcl28suppressed
TopiramateTopiramate28suppressed
BaclofenBaclofen27suppressed
Olmesartan MedoxomilOlmesartan Medoxomil27suppressed
LamotrigineLamotrigine26suppressed
Lurasidone HclLurasidone Hcl26suppressed
Venlafaxine Hcl ErVenlafaxine Hcl26suppressed
XareltoRivaroxaban26suppressed
IrbesartanIrbesartan25suppressed
AlprazolamAlprazolam24suppressed
Meclizine HclMeclizine Hcl24suppressed
AnastrozoleAnastrozole23suppressed
LevetiracetamLevetiracetam23suppressed
Pravastatin SodiumPravastatin Sodium22suppressed
Clobetasol PropionateClobetasol Propionate21suppressed
ClopidogrelClopidogrel Bisulfate21suppressed
Donepezil HclDonepezil Hcl21suppressed
Tizanidine HclTizanidine Hcl21suppressed
Warfarin SodiumWarfarin Sodium21suppressed
Fluoxetine HclFluoxetine Hcl20suppressed
MeloxicamMeloxicam20suppressed
Memantine Hcl ErMemantine Hcl20suppressed
TrulicityDulaglutide20suppressed
ValsartanValsartan20suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol19suppressed
Hydroxyzine HclHydroxyzine Hcl19suppressed
OlanzapineOlanzapine19suppressed
Oxybutynin Chloride ErOxybutynin Chloride19suppressed
Ammonium LactateAmmonium Lactate18suppressed
CelecoxibCelecoxib18suppressed
Clonidine HclClonidine Hcl18suppressed
KetoconazoleKetoconazole18suppressed
Naltrexone HclNaltrexone Hcl18suppressed
NaproxenNaproxen18suppressed
ValacyclovirValacyclovir Hcl18suppressed
ChlorthalidoneChlorthalidone17suppressed
LacosamideLacosamide17suppressed
LansoprazoleLansoprazole17suppressed
SynthroidLevothyroxine Sodium17suppressed
Buspirone HclBuspirone Hcl16suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride16suppressed
LidocaineLidocaine16suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide16suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads15suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
Oxycodone HclOxycodone Hcl15suppressed
DiazepamDiazepam14suppressed
Tramadol HclTramadol Hcl14suppressed
DutasterideDutasteride13suppressed
IbuprofenIbuprofen13suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro13suppressed
MethimazoleMethimazole13suppressed
MinoxidilMinoxidil13suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril12suppressed
AtenololAtenolol12suppressed
Betamethasone DipropionateBetamethasone Dipropionate12suppressed
Enalapril MaleateEnalapril Maleate12suppressed
GlipizideGlipizide12suppressed
Pilocarpine HclPilocarpine Hcl12suppressed
RisperidoneRisperidone12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
WegovySemaglutide12suppressed
Arnuity ElliptaFluticasone Furoate11suppressed
Bupropion Hcl SrBupropion Hcl11suppressed
EzetimibeEzetimibe11suppressed
LovastatinLovastatin11suppressed

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