Healthcare provider profile · identity verified

John Gaines, MD

Internal Medicine · SMITHFIELD, RI · NPI 1568457224

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 Calcium1117312
Rosuvastatin CalciumRosuvastatin Calcium841241
Losartan PotassiumLosartan Potassium612170
OmeprazoleOmeprazole488149
LisinoprilLisinopril447131
Amlodipine BesylateAmlodipine Besylate415115
Levothyroxine SodiumLevothyroxine Sodium369101
SimvastatinSimvastatin362101
HydrochlorothiazideHydrochlorothiazide35595
Metoprolol SuccinateMetoprolol Succinate30590
EzetimibeEzetimibe22764
EliquisApixaban21238
Alendronate SodiumAlendronate Sodium19354
Metformin HclMetformin Hcl17453
Sertraline HclSertraline Hcl16349
Albuterol Sulfate HfaAlbuterol Sulfate16048
TrulicityDulaglutide15325
FamotidineFamotidine14537
AtenololAtenolol14338
Metoprolol TartrateMetoprolol Tartrate12839
Tamsulosin HclTamsulosin Hcl12845
Metformin Hcl ErMetformin Hcl12139
GabapentinGabapentin11530
AlprazolamAlprazolam10633
Escitalopram OxalateEscitalopram Oxalate10533
AllopurinolAllopurinol9726
FurosemideFurosemide9433
Citalopram HbrCitalopram Hydrobromide9028
Fluticasone PropionateFluticasone Propionate8933
Pantoprazole SodiumPantoprazole Sodium8825
OzempicSemaglutide8719
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8627
Venlafaxine Hcl ErVenlafaxine Hcl7922
XareltoRivaroxaban7616
ValsartanValsartan7422
Montelukast SodiumMontelukast Sodium7318
Zolpidem TartrateZolpidem Tartrate7316
FinasterideFinasteride7221
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide7122
ClopidogrelClopidogrel Bisulfate6817
MirtazapineMirtazapine6618
PrednisonePrednisone6552
ClonazepamClonazepam5715
JardianceEmpagliflozin5513
Pravastatin SodiumPravastatin Sodium5413
MounjaroTirzepatide4712
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid4611
LorazepamLorazepam4413
Paroxetine HclParoxetine Hcl43suppressed
MeloxicamMeloxicam4111
Repatha SureclickEvolocumab40suppressed
Bupropion XlBupropion Hcl3911
SpironolactoneSpironolactone3913
Diltiazem 24hr Er (Cd)Diltiazem Hcl3812
Arnuity ElliptaFluticasone Furoate37suppressed
LovastatinLovastatin36suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide36suppressed
Trazodone HclTrazodone Hcl3515
Duloxetine HclDuloxetine Hcl3314
Propranolol HclPropranolol Hcl33suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine31suppressed
GlipizideGlipizide3111
IrbesartanIrbesartan29suppressed
Quetiapine FumarateQuetiapine Fumarate28suppressed
Amitriptyline HclAmitriptyline Hcl27suppressed
Ondansetron HclOndansetron Hcl26suppressed
Warfarin SodiumWarfarin Sodium26suppressed
Breo ElliptaFluticasone/Vilanterol25suppressed
Carbidopa-LevodopaCarbidopa/Levodopa25suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog25suppressed
Ibandronate SodiumIbandronate Sodium24suppressed
Bisoprolol FumarateBisoprolol Fumarate23suppressed
NystatinNystatin22suppressed
Bupropion Hcl SrBupropion Hcl21suppressed
IbuprofenIbuprofen21suppressed
Ropinirole HclRopinirole Hcl21suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter21suppressed
Fluoxetine HclFluoxetine Hcl20suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate19suppressed
Enalapril MaleateEnalapril Maleate19suppressed
Labetalol HclLabetalol Hcl19suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic18suppressed
Terbinafine HclTerbinafine Hcl18suppressed
Fluticasone Propionate HfaFluticasone Propionate17suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide16suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium16suppressed
PaxlovidNirmatrelvir/Ritonavir1616
SucralfateSucralfate16suppressed
Qvar RedihalerBeclomethasone Dipropionate15suppressed
DiazepamDiazepam14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
Humalog Mix 75-25 KwikpenInsulin Lispro Protamin/Lispro14suppressed
SynthroidLevothyroxine Sodium14suppressed
BaclofenBaclofen13suppressed
Potassium ChloridePotassium Chloride13suppressed
Triamcinolone AcetonideTriamcinolone Acetonide13suppressed
Trospium ChlorideTrospium Chloride13suppressed
CarvedilolCarvedilol12suppressed
Doxazosin MesylateDoxazosin Mesylate12suppressed
Glipizide ErGlipizide12suppressed
Meclizine HclMeclizine Hcl12suppressed
Tolterodine Tartrate ErTolterodine Tartrate12suppressed
ValacyclovirValacyclovir Hcl12suppressed
Ventolin HfaAlbuterol Sulfate12suppressed
FenofibrateFenofibrate Nanocrystallized11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
LansoprazoleLansoprazole11suppressed

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