Healthcare provider profile · identity verified

Wathan Sann, M.D

Internal Medicine · BROOKLYN, NY · NPI 1366770323

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 Calcium393156
Levothyroxine SodiumLevothyroxine Sodium21479
Amlodipine BesylateAmlodipine Besylate19983
Rosuvastatin CalciumRosuvastatin Calcium18171
Losartan PotassiumLosartan Potassium18066
LisinoprilLisinopril13358
Pantoprazole SodiumPantoprazole Sodium11845
GabapentinGabapentin11438
AtenololAtenolol9736
Trazodone HclTrazodone Hcl9634
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen9425
Metformin Hcl ErMetformin Hcl9037
OmeprazoleOmeprazole7634
MeloxicamMeloxicam7541
Tamsulosin HclTamsulosin Hcl7426
Albuterol Sulfate HfaAlbuterol Sulfate7039
Acetaminophen-CodeineAcetaminophen With Codeine6927
Potassium ChloridePotassium Chloride6927
HydrochlorothiazideHydrochlorothiazide6727
FurosemideFurosemide6222
PradaxaDabigatran Etexilate Mesylate6119
Triamcinolone AcetonideTriamcinolone Acetonide4931
Metformin HclMetformin Hcl4719
Metoprolol TartrateMetoprolol Tartrate4717
OzempicSemaglutide46suppressed
SimvastatinSimvastatin4518
Sertraline HclSertraline Hcl4413
Alendronate SodiumAlendronate Sodium4317
GlipizideGlipizide4119
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4116
Glipizide ErGlipizide3914
FamotidineFamotidine3818
Bisoprolol FumarateBisoprolol Fumarate3515
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3519
MirtazapineMirtazapine3514
Wixela InhubFluticasone Propion/Salmeterol3511
EzetimibeEzetimibe3313
Humulin NInsulin Nph Human Isophane27suppressed
IbuprofenIbuprofen2712
Tramadol HclTramadol Hcl2716
Nano 2nd Gen Pen NeedlePen Needle, Diabetic26suppressed
JardianceEmpagliflozin2512
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid2412
CarvedilolCarvedilol23suppressed
ClopidogrelClopidogrel Bisulfate23suppressed
FinasterideFinasteride22suppressed
Pravastatin SodiumPravastatin Sodium22suppressed
AllopurinolAllopurinol2011
Azelastine HclAzelastine Hcl20suppressed
Citalopram HbrCitalopram Hydrobromide20suppressed
Victoza 2-PakLiraglutide20suppressed
AcyclovirAcyclovir19suppressed
Montelukast SodiumMontelukast Sodium19suppressed
NystatinNystatin19suppressed
Fluoxetine HclFluoxetine Hcl17suppressed
Hydralazine HclHydralazine Hcl17suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen17suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil1614
LactuloseLactulose16suppressed
Propranolol HclPropranolol Hcl16suppressed
TacrolimusTacrolimus16suppressed
Veo Insulin SyringeSyringe And Needle,insulin,1ml15suppressed
LiraglutideLiraglutide14suppressed
Terazosin HclTerazosin Hcl14suppressed
EliquisApixaban13suppressed
NaproxenNaproxen13suppressed
PrednisonePrednisone1311
ArexvyRsvpref3 Antigen/As01e/Pf1212
Betamethasone Diprop AugmentedBetamethasone/Propylene Glyc12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1211
Humulin N KwikpenInsulin Nph Human Isophane12suppressed
LatanoprostLatanoprost12suppressed
Metoprolol SuccinateMetoprolol Succinate12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
AmoxicillinAmoxicillin1111
ChlorthalidoneChlorthalidone11suppressed
Diltiazem HclDiltiazem Hcl11suppressed
Ondansetron OdtOndansetron11suppressed
SpironolactoneSpironolactone11suppressed
TemazepamTemazepam11suppressed

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