Healthcare provider profile · identity verified

Michael Gannon, MD

Family Practice · MARTINSVILLE, NJ · NPI 1225441215

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 Calcium421152
Levothyroxine SodiumLevothyroxine Sodium26582
AlprazolamAlprazolam22768
Amlodipine BesylateAmlodipine Besylate15253
Rosuvastatin CalciumRosuvastatin Calcium13350
Pantoprazole SodiumPantoprazole Sodium11241
Metoprolol SuccinateMetoprolol Succinate10238
PrednisonePrednisone9925
Losartan PotassiumLosartan Potassium9834
Metformin HclMetformin Hcl9843
HydrochlorothiazideHydrochlorothiazide9633
GabapentinGabapentin9529
Escitalopram OxalateEscitalopram Oxalate9230
Tamsulosin HclTamsulosin Hcl7930
LisinoprilLisinopril7629
SimvastatinSimvastatin7531
Duloxetine HclDuloxetine Hcl6119
AllopurinolAllopurinol5724
OzempicSemaglutide5415
Nebivolol HclNebivolol Hcl5319
OmeprazoleOmeprazole5220
MounjaroTirzepatide5111
Sertraline HclSertraline Hcl5120
Zolpidem TartrateZolpidem Tartrate5118
LorazepamLorazepam48suppressed
Pravastatin SodiumPravastatin Sodium4719
TemazepamTemazepam4711
EliquisApixaban4513
Trazodone HclTrazodone Hcl4419
ClopidogrelClopidogrel Bisulfate4215
Montelukast SodiumMontelukast Sodium3915
Metoprolol TartrateMetoprolol Tartrate3814
SynthroidLevothyroxine Sodium3715
FurosemideFurosemide3616
ClonazepamClonazepam35suppressed
MeloxicamMeloxicam3520
Olmesartan MedoxomilOlmesartan Medoxomil3413
ValsartanValsartan3413
Fluticasone PropionateFluticasone Propionate3114
EzetimibeEzetimibe3012
Albuterol Sulfate HfaAlbuterol Sulfate2916
Amitriptyline HclAmitriptyline Hcl29suppressed
Donepezil HclDonepezil Hcl29suppressed
FamotidineFamotidine2916
Metformin Hcl ErMetformin Hcl2912
AtenololAtenolol26suppressed
Enalapril MaleateEnalapril Maleate26suppressed
GlimepirideGlimepiride26suppressed
RamiprilRamipril26suppressed
Bupropion XlBupropion Hcl25suppressed
FarxigaDapagliflozin Propanediol25suppressed
JardianceEmpagliflozin25suppressed
Potassium ChloridePotassium Chloride25suppressed
MirtazapineMirtazapine23suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters23suppressed
SucralfateSucralfate23suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide22suppressed
Alendronate SodiumAlendronate Sodium21suppressed
CarvedilolCarvedilol20suppressed
FenofibrateFenofibrate Nanocrystallized20suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide20suppressed
Dexlansoprazole DrDexlansoprazole19suppressed
PregabalinPregabalin19suppressed
Tramadol HclTramadol Hcl19suppressed
IrbesartanIrbesartan18suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen18suppressed
SpironolactoneSpironolactone18suppressed
Azelastine HclAzelastine Hcl17suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl17suppressed
FinasterideFinasteride17suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide17suppressed
Tramadol Hcl-AcetaminophenTramadol Hcl/Acetaminophen17suppressed
AzithromycinAzithromycin1616
Lantus SolostarInsulin Glargine,hum.Rec.Anlog16suppressed
Meclizine HclMeclizine Hcl16suppressed
Buspirone HclBuspirone Hcl15suppressed
DiazepamDiazepam15suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide15suppressed
RybelsusSemaglutide15suppressed
Triamcinolone AcetonideTriamcinolone Acetonide15suppressed
ValacyclovirValacyclovir Hcl15suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
Sumatriptan SuccinateSumatriptan Succinate14suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1312
Ascomp With CodeineCodeine/Butalbital/Asa/Caffein13suppressed
CefuroximeCefuroxime Axetil13suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine13suppressed
LactuloseLactulose13suppressed
Liothyronine SodiumLiothyronine Sodium13suppressed
MethylprednisoloneMethylprednisolone1312
Nortriptyline HclNortriptyline Hcl13suppressed
Terbinafine HclTerbinafine Hcl13suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter13suppressed
Breo ElliptaFluticasone/Vilanterol12suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip12suppressed
ColchicineColchicine12suppressed
Hydromorphone HclHydromorphone Hcl12suppressed
LansoprazoleLansoprazole12suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12suppressed
Metformin Er GastricMetformin Hcl12suppressed
Paroxetine HclParoxetine Hcl12suppressed
TelmisartanTelmisartan12suppressed
TrintellixVortioxetine Hydrobromide12suppressed
Vitamin D2Ergocalciferol (Vitamin D2)12suppressed
Benazepril HclBenazepril Hcl11suppressed
Carbamazepine ErCarbamazepine11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Spiriva HandihalerTiotropium Bromide11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed

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