Healthcare provider profile · identity verified

David J Cancian, MD

Internal Medicine · WATERTOWN, MA · NPI 1962496539

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 Calcium419114
LisinoprilLisinopril19358
Metoprolol SuccinateMetoprolol Succinate15741
SimvastatinSimvastatin15636
Metformin HclMetformin Hcl15041
Amlodipine BesylateAmlodipine Besylate10225
LorazepamLorazepam9923
OmeprazoleOmeprazole9424
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8219
Alendronate SodiumAlendronate Sodium8121
Levothyroxine SodiumLevothyroxine Sodium8020
EliquisApixaban7517
HydrochlorothiazideHydrochlorothiazide7523
TrulicityDulaglutide64suppressed
MounjaroTirzepatide6211
OzempicSemaglutide60suppressed
AllopurinolAllopurinol59suppressed
FurosemideFurosemide5823
Tamsulosin HclTamsulosin Hcl5813
Losartan PotassiumLosartan Potassium5215
AtenololAtenolol43suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen40suppressed
Albuterol Sulfate HfaAlbuterol Sulfate39suppressed
FarxigaDapagliflozin Propanediol36suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter36suppressed
AlprazolamAlprazolam35suppressed
JardianceEmpagliflozin35suppressed
Rosuvastatin CalciumRosuvastatin Calcium35suppressed
IbuprofenIbuprofen34suppressed
PrednisonePrednisone3211
ChlorthalidoneChlorthalidone3111
ClonazepamClonazepam30suppressed
Sertraline HclSertraline Hcl29suppressed
Tramadol HclTramadol Hcl29suppressed
Pioglitazone HclPioglitazone Hcl28suppressed
PregabalinPregabalin28suppressed
Metoprolol TartrateMetoprolol Tartrate26suppressed
Citalopram HbrCitalopram Hydrobromide25suppressed
GlipizideGlipizide25suppressed
ClopidogrelClopidogrel Bisulfate24suppressed
EzetimibeEzetimibe24suppressed
FinasterideFinasteride24suppressed
FamotidineFamotidine21suppressed
Zolpidem TartrateZolpidem Tartrate21suppressed
GabapentinGabapentin20suppressed
Pantoprazole SodiumPantoprazole Sodium20suppressed
CelecoxibCelecoxib19suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl19suppressed
Paroxetine HclParoxetine Hcl19suppressed
Olmesartan MedoxomilOlmesartan Medoxomil18suppressed
Potassium ChloridePotassium Chloride17suppressed
BaclofenBaclofen16suppressed
Escitalopram OxalateEscitalopram Oxalate16suppressed
Labetalol HclLabetalol Hcl16suppressed
LamotrigineLamotrigine16suppressed
Oxybutynin ChlorideOxybutynin Chloride16suppressed
Pravastatin SodiumPravastatin Sodium16suppressed
Donepezil HclDonepezil Hcl15suppressed
LoperamideLoperamide Hcl15suppressed
MethotrexateMethotrexate Sodium15suppressed
MirtazapineMirtazapine15suppressed
Triamcinolone AcetonideTriamcinolone Acetonide15suppressed
Bupropion XlBupropion Hcl14suppressed
Fluticasone PropionateFluticasone Propionate14suppressed
Methadone HclMethadone Hcl14suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads13suppressed
Atenolol-ChlorthalidoneAtenolol/Chlorthalidone13suppressed
Diclofenac SodiumDiclofenac Sodium13suppressed
LinzessLinaclotide13suppressed
Ventolin HfaAlbuterol Sulfate13suppressed
Warfarin SodiumWarfarin Sodium13suppressed
Icosapent EthylIcosapent Ethyl12suppressed
Metoclopramide HclMetoclopramide Hcl12suppressed
Verapamil ErVerapamil Hcl12suppressed
WegovySemaglutide12suppressed
Aimovig AutoinjectorErenumab-Aooe11suppressed
AzithromycinAzithromycin11suppressed
HydrocortisoneHydrocortisone11suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed
NaproxenNaproxen11suppressed
Sildenafil CitrateSildenafil Citrate11suppressed
SpironolactoneSpironolactone11suppressed

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