Healthcare provider profile · identity verified

John R Schneeweis, MD

Family Practice · LEOMINSTER, MA · NPI 1023065455

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 Calcium524212
LisinoprilLisinopril25799
GabapentinGabapentin22565
OmeprazoleOmeprazole22472
Amlodipine BesylateAmlodipine Besylate17580
Losartan PotassiumLosartan Potassium15464
Levothyroxine SodiumLevothyroxine Sodium15263
FurosemideFurosemide14558
Metoprolol SuccinateMetoprolol Succinate13050
Sertraline HclSertraline Hcl11337
Metformin HclMetformin Hcl9948
Trazodone HclTrazodone Hcl9833
Rosuvastatin CalciumRosuvastatin Calcium8641
Albuterol Sulfate HfaAlbuterol Sulfate8536
SimvastatinSimvastatin8137
EliquisApixaban8028
LorazepamLorazepam8041
JardianceEmpagliflozin7623
HydrochlorothiazideHydrochlorothiazide7233
IbuprofenIbuprofen6525
Pravastatin SodiumPravastatin Sodium6217
Tamsulosin HclTamsulosin Hcl6027
AtenololAtenolol5923
Fluticasone PropionateFluticasone Propionate5626
Duloxetine HclDuloxetine Hcl5515
ChlorthalidoneChlorthalidone5123
Escitalopram OxalateEscitalopram Oxalate5120
AllopurinolAllopurinol4821
Venlafaxine Hcl ErVenlafaxine Hcl4814
Pantoprazole SodiumPantoprazole Sodium4516
Amitriptyline HclAmitriptyline Hcl4415
ClopidogrelClopidogrel Bisulfate4315
FinasterideFinasteride4318
Cyclobenzaprine HclCyclobenzaprine Hcl4221
ClonazepamClonazepam4013
SpironolactoneSpironolactone3913
Alendronate SodiumAlendronate Sodium3818
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3814
GlipizideGlipizide3711
Warfarin SodiumWarfarin Sodium3614
OzempicSemaglutide3511
FamotidineFamotidine3415
Metformin Hcl ErMetformin Hcl3317
PrednisonePrednisone3116
Montelukast SodiumMontelukast Sodium30suppressed
Metoprolol TartrateMetoprolol Tartrate2920
Tramadol HclTramadol Hcl2917
Triamcinolone AcetonideTriamcinolone Acetonide2919
Potassium ChloridePotassium Chloride2611
Hydralazine HclHydralazine Hcl25suppressed
Hydroxyzine HclHydroxyzine Hcl25suppressed
Klor-Con M20Potassium Chloride2512
Buspirone HclBuspirone Hcl24suppressed
Citalopram HbrCitalopram Hydrobromide2411
Diclofenac SodiumDiclofenac Sodium24suppressed
Doxycycline MonohydrateDoxycycline Monohydrate2322
ValacyclovirValacyclovir Hcl23suppressed
ValsartanValsartan23suppressed
Oxybutynin Chloride ErOxybutynin Chloride22suppressed
TrulicityDulaglutide22suppressed
Donepezil HclDonepezil Hcl2112
Fluoxetine HclFluoxetine Hcl20suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol20suppressed
HydrocortisoneHydrocortisone20suppressed
PregabalinPregabalin19suppressed
EzetimibeEzetimibe18suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate18suppressed
NaproxenNaproxen18suppressed
CarvedilolCarvedilol17suppressed
NystatinNystatin1711
Propranolol HclPropranolol Hcl17suppressed
Ropinirole HclRopinirole Hcl17suppressed
Carbidopa-LevodopaCarbidopa/Levodopa16suppressed
MounjaroTirzepatide16suppressed
TorsemideTorsemide16suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads15suppressed
Bupropion XlBupropion Hcl15suppressed
Ciprofloxacin HclCiprofloxacin Hcl1515
Clonidine HclClonidine Hcl15suppressed
DiazepamDiazepam15suppressed
Humalog Kwikpen U-100Insulin Lispro15suppressed
Betamethasone DipropionateBetamethasone Dipropionate14suppressed
FenofibrateFenofibrate14suppressed
Nifedipine ErNifedipine14suppressed
Qvar RedihalerBeclomethasone Dipropionate14suppressed
RisperidoneRisperidone14suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter14suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic14suppressed
Ventolin HfaAlbuterol Sulfate14suppressed
AcyclovirAcyclovir13suppressed
BaclofenBaclofen13suppressed
CalcitriolCalcitriol13suppressed
Dilt-XrDiltiazem Hcl13suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine13suppressed
Doxazosin MesylateDoxazosin Mesylate13suppressed
LovastatinLovastatin13suppressed
Meclizine HclMeclizine Hcl13suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen13suppressed
Quetiapine FumarateQuetiapine Fumarate13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
LamotrigineLamotrigine12suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12suppressed
MirtazapineMirtazapine12suppressed
MupirocinMupirocin12suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1212
AripiprazoleAripiprazole11suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog11suppressed
Fluticasone Propionate HfaFluticasone Propionate11suppressed
Hydromorphone HclHydromorphone Hcl11suppressed
IrbesartanIrbesartan11suppressed
Memantine HclMemantine Hcl11suppressed
PrimidonePrimidone11suppressed
Tizanidine HclTizanidine 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