Healthcare provider profile · identity verified

Gregory Gerard Decandia, MD

Family Practice · SOUTHBURY, CT · NPI 1003890641

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 Calcium31653
EliquisApixaban18622
Amlodipine BesylateAmlodipine Besylate13228
Escitalopram OxalateEscitalopram Oxalate13117
FurosemideFurosemide12027
Tamsulosin HclTamsulosin Hcl11923
Pantoprazole SodiumPantoprazole Sodium9922
MirtazapineMirtazapine9714
GabapentinGabapentin9419
Metoprolol TartrateMetoprolol Tartrate9315
Levothyroxine SodiumLevothyroxine Sodium9014
Sertraline HclSertraline Hcl8923
Metoprolol SuccinateMetoprolol Succinate8718
Trazodone HclTrazodone Hcl8228
ClopidogrelClopidogrel Bisulfate6311
LisinoprilLisinopril5611
LevetiracetamLevetiracetam54suppressed
Donepezil HclDonepezil Hcl50suppressed
Metformin HclMetformin Hcl4613
Benztropine MesylateBenztropine Mesylate45suppressed
HydrochlorothiazideHydrochlorothiazide45suppressed
TradjentaLinagliptin45suppressed
OmeprazoleOmeprazole44suppressed
Lithium CarbonateLithium Carbonate42suppressed
RisperidoneRisperidone42suppressed
SimvastatinSimvastatin41suppressed
BaclofenBaclofen38suppressed
EntrestoSacubitril/Valsartan38suppressed
FamotidineFamotidine3412
Pravastatin SodiumPravastatin Sodium34suppressed
LatanoprostLatanoprost31suppressed
Brimonidine TartrateBrimonidine Tartrate29suppressed
Losartan PotassiumLosartan Potassium29suppressed
BrilintaTicagrelor28suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate28suppressed
Memantine Hcl ErMemantine Hcl27suppressed
CarvedilolCarvedilol26suppressed
Midodrine HclMidodrine Hcl26suppressed
Albuterol SulfateAlbuterol Sulfate24suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog24suppressed
BudesonideBudesonide23suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro22suppressed
Breo ElliptaFluticasone/Vilanterol20suppressed
FentanylFentanyl20suppressed
LidocaineLidocaine20suppressed
Citalopram HbrCitalopram Hydrobromide19suppressed
Divalproex SodiumDivalproex Sodium19suppressed
PrednisonePrednisone19suppressed
KetoconazoleKetoconazole18suppressed
FinasterideFinasteride17suppressed
JardianceEmpagliflozin17suppressed
LansoprazoleLansoprazole17suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
Hydralazine HclHydralazine Hcl16suppressed
LactuloseLactulose16suppressed
Potassium ChloridePotassium Chloride16suppressed
Tolterodine Tartrate ErTolterodine Tartrate16suppressed
CalcipotrieneCalcipotriene15suppressed
CephalexinCephalexin15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl15suppressed
LevocarnitineLevocarnitine15suppressed
NystatinNystatin15suppressed
Quetiapine FumarateQuetiapine Fumarate15suppressed
Duloxetine HclDuloxetine Hcl14suppressed
SpironolactoneSpironolactone14suppressed
XifaxanRifaximin14suppressed
Ammonium LactateAmmonium Lactate13suppressed
Diclofenac SodiumDiclofenac Sodium13suppressed
MethimazoleMethimazole13suppressed
Novolog FlexpenInsulin Aspart13suppressed
PregabalinPregabalin13suppressed
XareltoRivaroxaban13suppressed
Dalfampridine ErDalfampridine12suppressed
Incruse ElliptaUmeclidinium Bromide12suppressed
Montelukast SodiumMontelukast Sodium12suppressed
Timolol MaleateTimolol Maleate12suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn11suppressed
NateglinideNateglinide11suppressed
Nitroglycerin PatchNitroglycerin11suppressed
PentoxifyllinePentoxifylline11suppressed
Tramadol HclTramadol Hcl11suppressed

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