Healthcare provider profile · identity verified

Arnab Ganguly, MD

Pediatric Medicine · DOWNEY, CA · NPI 1316095227

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 Calcium444145
Metformin HclMetformin Hcl27594
LisinoprilLisinopril23673
Amlodipine BesylateAmlodipine Besylate19969
OmeprazoleOmeprazole19766
Losartan PotassiumLosartan Potassium18454
Levothyroxine SodiumLevothyroxine Sodium14341
Metoprolol SuccinateMetoprolol Succinate13642
IbuprofenIbuprofen13247
GabapentinGabapentin11348
SimvastatinSimvastatin11336
Tamsulosin HclTamsulosin Hcl11143
AlprazolamAlprazolam10122
Albuterol Sulfate HfaAlbuterol Sulfate9933
HydrochlorothiazideHydrochlorothiazide9027
Triamcinolone AcetonideTriamcinolone Acetonide8545
Alendronate SodiumAlendronate Sodium8127
Glipizide ErGlipizide7729
Pantoprazole SodiumPantoprazole Sodium7126
Trazodone HclTrazodone Hcl6425
Diclofenac SodiumDiclofenac Sodium6327
Pioglitazone HclPioglitazone Hcl6323
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen6112
FurosemideFurosemide5626
Benazepril HclBenazepril Hcl5317
Tramadol HclTramadol Hcl5319
AllopurinolAllopurinol5113
CarvedilolCarvedilol4915
Fluticasone PropionateFluticasone Propionate4923
FinasterideFinasteride4516
Pravastatin SodiumPravastatin Sodium4514
Metoprolol TartrateMetoprolol Tartrate4114
JanuviaSitagliptin Phosphate4017
BaclofenBaclofen3920
FamotidineFamotidine38suppressed
GlimepirideGlimepiride3611
GlipizideGlipizide3613
Memantine HclMemantine Hcl36suppressed
Rosuvastatin CalciumRosuvastatin Calcium35suppressed
AtenololAtenolol34suppressed
AzithromycinAzithromycin3428
LactuloseLactulose34suppressed
ChlorthalidoneChlorthalidone31suppressed
EliquisApixaban3112
Oxybutynin Chloride ErOxybutynin Chloride3116
Sildenafil CitrateSildenafil Citrate29suppressed
Ciprofloxacin HclCiprofloxacin Hcl2822
OzempicSemaglutide28suppressed
PregabalinPregabalin28suppressed
Meclizine HclMeclizine Hcl2714
ClopidogrelClopidogrel Bisulfate2611
Hydralazine HclHydralazine Hcl26suppressed
Enalapril MaleateEnalapril Maleate24suppressed
Escitalopram OxalateEscitalopram Oxalate24suppressed
LorazepamLorazepam24suppressed
Humalog Kwikpen U-100Insulin Lispro23suppressed
Sertraline HclSertraline Hcl23suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter23suppressed
JardianceEmpagliflozin21suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic21suppressed
FenofibrateFenofibrate,micronized20suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog20suppressed
LovastatinLovastatin20suppressed
Nifedipine ErNifedipine20suppressed
PrednisonePrednisone2012
Metformin Hcl ErMetformin Hcl19suppressed
Montelukast SodiumMontelukast Sodium19suppressed
Ondansetron HclOndansetron Hcl19suppressed
Fluoxetine HclFluoxetine Hcl17suppressed
KetoconazoleKetoconazole17suppressed
NitroglycerinNitroglycerin17suppressed
Terazosin HclTerazosin Hcl17suppressed
Zolpidem TartrateZolpidem Tartrate17suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl16suppressed
EzetimibeEzetimibe16suppressed
Tizanidine HclTizanidine Hcl16suppressed
TopiramateTopiramate16suppressed
Ondansetron OdtOndansetron15suppressed
Potassium ChloridePotassium Chloride15suppressed
CimetidineCimetidine14suppressed
Citalopram HbrCitalopram Hydrobromide14suppressed
FenofibrateFenofibrate Nanocrystallized14suppressed
TelmisartanTelmisartan14suppressed
TemazepamTemazepam14suppressed
LevetiracetamLevetiracetam13suppressed
XareltoRivaroxaban13suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav12suppressed
DigoxinDigoxin12suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol12suppressed
Humulin NInsulin Nph Human Isophane12suppressed
HydrocortisoneHydrocortisone12suppressed
MeloxicamMeloxicam12suppressed
Naratriptan HclNaratriptan Hcl12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
Advair DiskusFluticasone Propion/Salmeterol11suppressed
AmoxicillinAmoxicillin11suppressed
Betamethasone ValerateBetamethasone Valerate11suppressed
Dicyclomine HclDicyclomine Hcl11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
JanumetSitagliptin Phos/Metformin Hcl11suppressed
Procto-Med HcHydrocortisone11suppressed
SpironolactoneSpironolactone11suppressed
ValsartanValsartan11suppressed

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