Healthcare provider profile · identity verified

William Peter Schmitt, MD

Internal Medicine · CHARLESTOWN, MA · NPI 1619958808

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 Calcium30790
OmeprazoleOmeprazole23663
GabapentinGabapentin23348
Amlodipine BesylateAmlodipine Besylate21661
Metoprolol SuccinateMetoprolol Succinate16043
LisinoprilLisinopril14846
LorazepamLorazepam13226
Tamsulosin HclTamsulosin Hcl12934
Levothyroxine SodiumLevothyroxine Sodium12035
Oxycodone HclOxycodone Hcl12024
Rosuvastatin CalciumRosuvastatin Calcium11635
FurosemideFurosemide11432
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl11123
ClonazepamClonazepam11029
FinasterideFinasteride9925
EliquisApixaban9722
Metformin HclMetformin Hcl9729
TrulicityDulaglutide9216
Albuterol Sulfate HfaAlbuterol Sulfate7323
JardianceEmpagliflozin7218
Losartan PotassiumLosartan Potassium7122
SpironolactoneSpironolactone6421
IbuprofenIbuprofen6013
SimvastatinSimvastatin6018
AlprazolamAlprazolam58suppressed
Sertraline HclSertraline Hcl5220
Fluoxetine HclFluoxetine Hcl5116
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen47suppressed
AllopurinolAllopurinol4611
FamotidineFamotidine4316
PregabalinPregabalin42suppressed
DiazepamDiazepam40suppressed
HydrochlorothiazideHydrochlorothiazide4015
Trazodone HclTrazodone Hcl4011
Citalopram HbrCitalopram Hydrobromide38suppressed
Tizanidine HclTizanidine Hcl38suppressed
CarvedilolCarvedilol35suppressed
AtenololAtenolol33suppressed
Methadone HclMethadone Hcl33suppressed
Tramadol HclTramadol Hcl33suppressed
Ventolin HfaAlbuterol Sulfate33suppressed
Alendronate SodiumAlendronate Sodium31suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine31suppressed
Metformin Hcl ErMetformin Hcl3111
Bupropion Hcl SrBupropion Hcl3011
Ondansetron HclOndansetron Hcl30suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl28suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate28suppressed
MirtazapineMirtazapine2811
MounjaroTirzepatide28suppressed
Zolpidem TartrateZolpidem Tartrate28suppressed
IrbesartanIrbesartan27suppressed
Prazosin HclPrazosin Hcl27suppressed
Hydroxyzine HclHydroxyzine Hcl26suppressed
Duloxetine HclDuloxetine Hcl24suppressed
Fluticasone PropionateFluticasone Propionate2311
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide23suppressed
EzetimibeEzetimibe22suppressed
Praluent PenAlirocumab22suppressed
ChlorthalidoneChlorthalidone21suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine21suppressed
NystatinNystatin21suppressed
TorsemideTorsemide21suppressed
Meclizine HclMeclizine Hcl20suppressed
NaproxenNaproxen20suppressed
Quetiapine FumarateQuetiapine Fumarate20suppressed
PrednisonePrednisone19suppressed
AcyclovirAcyclovir18suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen18suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid18suppressed
Warfarin SodiumWarfarin Sodium18suppressed
RivastigmineRivastigmine Tartrate17suppressed
Doxazosin MesylateDoxazosin Mesylate16suppressed
Ondansetron OdtOndansetron16suppressed
Potassium ChloridePotassium Chloride16suppressed
Econazole NitrateEconazole Nitrate15suppressed
JanuviaSitagliptin Phosphate15suppressed
Escitalopram OxalateEscitalopram Oxalate14suppressed
EstradiolEstradiol14suppressed
LidocaineLidocaine14suppressed
Wixela InhubFluticasone Propion/Salmeterol14suppressed
ClopidogrelClopidogrel Bisulfate13suppressed
DutasterideDutasteride13suppressed
Isosorbide DinitrateIsosorbide Dinitrate13suppressed
LevetiracetamLevetiracetam13suppressed
MeloxicamMeloxicam13suppressed
PhenobarbitalPhenobarbital13suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended13suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
Varenicline TartrateVarenicline Tartrate13suppressed
Betamethasone DipropionateBetamethasone Dipropionate12suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine12suppressed
GlipizideGlipizide12suppressed
LactuloseLactulose12suppressed
PrimidonePrimidone12suppressed
Promethazine HclPromethazine Hcl12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav11suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog11suppressed
TestosteroneTestosterone11suppressed
XolairOmalizumab11suppressed

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