Healthcare provider profile · identity verified

Douglas Walter Chudzik, MD

Internal Medicine · HAZLET, NJ · NPI 1477586931

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
Levothyroxine SodiumLevothyroxine Sodium24558
Amlodipine BesylateAmlodipine Besylate21158
Montelukast SodiumMontelukast Sodium19951
Atorvastatin CalciumAtorvastatin Calcium17756
Metoprolol SuccinateMetoprolol Succinate14433
AlprazolamAlprazolam12632
OmeprazoleOmeprazole12635
Pantoprazole SodiumPantoprazole Sodium11429
Metformin HclMetformin Hcl11130
FurosemideFurosemide10329
Fluticasone PropionateFluticasone Propionate8541
Potassium ChloridePotassium Chloride8425
Enalapril MaleateEnalapril Maleate8123
HydrochlorothiazideHydrochlorothiazide7719
GabapentinGabapentin6415
Losartan PotassiumLosartan Potassium5815
ClopidogrelClopidogrel Bisulfate5613
Trazodone HclTrazodone Hcl5417
LisinoprilLisinopril5313
Oxycodone HclOxycodone Hcl51suppressed
Duloxetine HclDuloxetine Hcl4911
SucralfateSucralfate49suppressed
Escitalopram OxalateEscitalopram Oxalate45suppressed
Ropinirole HclRopinirole Hcl45suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl4315
MounjaroTirzepatide43suppressed
Rosuvastatin CalciumRosuvastatin Calcium4115
JanuviaSitagliptin Phosphate4012
Tramadol HclTramadol Hcl40suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3814
FamotidineFamotidine38suppressed
EzetimibeEzetimibe37suppressed
MeloxicamMeloxicam33suppressed
Sertraline HclSertraline Hcl3211
Tamsulosin HclTamsulosin Hcl31suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate30suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen29suppressed
EliquisApixaban28suppressed
Pravastatin SodiumPravastatin Sodium2812
Raloxifene HclRaloxifene Hcl28suppressed
GemfibrozilGemfibrozil27suppressed
LorazepamLorazepam26suppressed
OzempicSemaglutide26suppressed
CarisoprodolCarisoprodol25suppressed
Metoprolol TartrateMetoprolol Tartrate23suppressed
NateglinideNateglinide23suppressed
Ondansetron OdtOndansetron23suppressed
SynthroidLevothyroxine Sodium23suppressed
Quetiapine FumarateQuetiapine Fumarate22suppressed
AllopurinolAllopurinol20suppressed
Bupropion XlBupropion Hcl20suppressed
PrednisonePrednisone2012
ClonazepamClonazepam19suppressed
LevetiracetamLevetiracetam19suppressed
IbuprofenIbuprofen18suppressed
Ventolin HfaAlbuterol Sulfate18suppressed
Hydralazine HclHydralazine Hcl17suppressed
SimvastatinSimvastatin17suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl16suppressed
Amitriptyline HclAmitriptyline Hcl15suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1514
CelecoxibCelecoxib15suppressed
FenofibrateFenofibrate Nanocrystallized15suppressed
Azelastine HclAzelastine Hcl14suppressed
FenofibrateFenofibrate14suppressed
LevofloxacinLevofloxacin1412
OxycontinOxycodone Hcl14suppressed
PregabalinPregabalin14suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter14suppressed
XareltoRivaroxaban14suppressed
BaclofenBaclofen13suppressed
FarxigaDapagliflozin Propanediol13suppressed
Zolpidem TartrateZolpidem Tartrate13suppressed
Advair DiskusFluticasone Propion/Salmeterol12suppressed
AzithromycinAzithromycin1211
DiazepamDiazepam12suppressed
Fluoxetine HclFluoxetine Hcl12suppressed
Labetalol HclLabetalol Hcl12suppressed
LansoprazoleLansoprazole12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
RamiprilRamipril12suppressed
TopiramateTopiramate12suppressed
Buspirone HclBuspirone Hcl11suppressed
Butalb-Acetaminoph-Caff-CodeinButalbit/Acetamin/Caff/Codeine11suppressed
Donepezil HclDonepezil Hcl11suppressed
GlimepirideGlimepiride11suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate11suppressed
Meclizine HclMeclizine Hcl11suppressed
Nebivolol HclNebivolol 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