Healthcare provider profile · identity verified

Michael Gerringer, M.D.

Internal Medicine · HOPEWELL JUNCTION, NY · NPI 1295732964

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
Rosuvastatin CalciumRosuvastatin Calcium937261
Atorvastatin CalciumAtorvastatin Calcium799222
Amlodipine BesylateAmlodipine Besylate586152
Levothyroxine SodiumLevothyroxine Sodium507123
Losartan PotassiumLosartan Potassium428115
HydrochlorothiazideHydrochlorothiazide27780
Zolpidem TartrateZolpidem Tartrate25148
Metformin HclMetformin Hcl23768
ClonazepamClonazepam21852
OmeprazoleOmeprazole21759
AlprazolamAlprazolam21649
Escitalopram OxalateEscitalopram Oxalate19551
LisinoprilLisinopril19056
GlimepirideGlimepiride18751
Metoprolol SuccinateMetoprolol Succinate18358
Pantoprazole SodiumPantoprazole Sodium16448
Tamsulosin HclTamsulosin Hcl16145
AllopurinolAllopurinol14944
RamiprilRamipril14338
SimvastatinSimvastatin13139
ValsartanValsartan12434
GabapentinGabapentin12342
IrbesartanIrbesartan12232
FurosemideFurosemide11236
Metoprolol TartrateMetoprolol Tartrate10928
Albuterol Sulfate HfaAlbuterol Sulfate9742
AtenololAtenolol9027
SynthroidLevothyroxine Sodium8922
EzetimibeEzetimibe8124
Pravastatin SodiumPravastatin Sodium8122
Tramadol HclTramadol Hcl7927
EliquisApixaban7621
MeloxicamMeloxicam7530
FinasterideFinasteride7320
LorazepamLorazepam7324
Potassium ChloridePotassium Chloride7324
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen7219
TemazepamTemazepam7213
Trazodone HclTrazodone Hcl6820
Sertraline HclSertraline Hcl6720
Doxycycline HyclateDoxycycline Hyclate6249
CarvedilolCarvedilol5920
Fluoxetine HclFluoxetine Hcl5917
Glipizide ErGlipizide5912
OzempicSemaglutide59suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide5813
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5717
Quetiapine FumarateQuetiapine Fumarate5714
PrednisonePrednisone5630
ClopidogrelClopidogrel Bisulfate5519
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav5449
Fluticasone PropionateFluticasone Propionate5320
XareltoRivaroxaban5212
Nifedipine ErNifedipine5112
Olmesartan MedoxomilOlmesartan Medoxomil5012
Bupropion XlBupropion Hcl4813
DiazepamDiazepam4626
JanuviaSitagliptin Phosphate46suppressed
PregabalinPregabalin45suppressed
Warfarin SodiumWarfarin Sodium4412
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide41suppressed
LansoprazoleLansoprazole40suppressed
ChlorthalidoneChlorthalidone3911
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3912
FamotidineFamotidine3814
Metformin Hcl ErMetformin Hcl3613
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim3429
Ciprofloxacin HclCiprofloxacin Hcl3326
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide32suppressed
Paroxetine HclParoxetine Hcl32suppressed
Doxazosin MesylateDoxazosin Mesylate30suppressed
IbuprofenIbuprofen3012
Montelukast SodiumMontelukast Sodium30suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2918
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen29suppressed
AzithromycinAzithromycin2826
Meclizine HclMeclizine Hcl27suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid27suppressed
Duloxetine HclDuloxetine Hcl2611
NystatinNystatin2612
Bisoprolol FumarateBisoprolol Fumarate25suppressed
FenofibrateFenofibrate25suppressed
GlipizideGlipizide25suppressed
Labetalol HclLabetalol Hcl25suppressed
LovastatinLovastatin25suppressed
Oxycodone HclOxycodone Hcl25suppressed
Venlafaxine Hcl ErVenlafaxine Hcl25suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol2412
MethylprednisoloneMethylprednisolone2416
ValacyclovirValacyclovir Hcl2412
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip2312
EstradiolEstradiol23suppressed
FenofibrateFenofibrate Nanocrystallized23suppressed
FluocinonideFluocinonide2315
SpironolactoneSpironolactone23suppressed
Alendronate SodiumAlendronate Sodium22suppressed
Benazepril HclBenazepril Hcl22suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2215
Propranolol HclPropranolol Hcl22suppressed
Acetaminophen-CodeineAcetaminophen With Codeine21suppressed
Oxybutynin Chloride ErOxybutynin Chloride20suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril19suppressed
FarxigaDapagliflozin Propanediol19suppressed
TenivacTetanus-Diphtheria Toxoids/Pf1919
AmoxicillinAmoxicillin1815
Bupropion Hcl SrBupropion Hcl18suppressed
DutasterideDutasteride18suppressed
Ibandronate SodiumIbandronate Sodium18suppressed
Citalopram HbrCitalopram Hydrobromide17suppressed
Propranolol Hcl ErPropranolol Hcl17suppressed
Terazosin HclTerazosin Hcl17suppressed
Armour ThyroidThyroid,pork16suppressed
Clobetasol PropionateClobetasol Propionate16suppressed
Hydralazine HclHydralazine Hcl16suppressed
Repatha SureclickEvolocumab16suppressed
Triamcinolone AcetonideTriamcinolone Acetonide16suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium15suppressed
Oxybutynin ChlorideOxybutynin Chloride15suppressed
CelecoxibCelecoxib14suppressed
Donepezil HclDonepezil Hcl14suppressed
Enalapril MaleateEnalapril Maleate14suppressed
EpinephrineEpinephrine14suppressed
Risedronate SodiumRisedronate Sodium14suppressed
Fosinopril SodiumFosinopril Sodium13suppressed
InvokanaCanagliflozin13suppressed
PrimidonePrimidone13suppressed
TrulicityDulaglutide13suppressed
Alfuzosin Hcl ErAlfuzosin Hcl12suppressed
NabumetoneNabumetone12suppressed
Ondansetron OdtOndansetron12suppressed
PremarinEstrogens, Conjugated12suppressed
Solifenacin SuccinateSolifenacin Succinate12suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog11suppressed
Buspirone HclBuspirone Hcl11suppressed
ColchicineColchicine11suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Efavirenz-Emtric-Tenofov DisopEfavirenz/Emtricit/Tenofovr Df11suppressed
HydrocortisoneHydrocortisone11suppressed
Hydroxyzine HclHydroxyzine Hcl11suppressed
JardianceEmpagliflozin11suppressed
TradjentaLinagliptin11suppressed

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