Healthcare provider profile · identity verified

Robert Kozlowski, MD

Internal Medicine · VALENCIA, CA · NPI 1013178102

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 Calcium378118
Amlodipine BesylateAmlodipine Besylate29492
Losartan PotassiumLosartan Potassium15349
Tamsulosin HclTamsulosin Hcl14852
Levothyroxine SodiumLevothyroxine Sodium12243
Albuterol Sulfate HfaAlbuterol Sulfate12144
Rosuvastatin CalciumRosuvastatin Calcium11940
Trazodone HclTrazodone Hcl11332
Metformin HclMetformin Hcl11134
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide10030
OmeprazoleOmeprazole9927
Zolpidem TartrateZolpidem Tartrate9617
Metoprolol SuccinateMetoprolol Succinate9331
GabapentinGabapentin9029
AlprazolamAlprazolam8723
HydrochlorothiazideHydrochlorothiazide8627
MeloxicamMeloxicam8325
Sertraline HclSertraline Hcl8329
Montelukast SodiumMontelukast Sodium8130
Pantoprazole SodiumPantoprazole Sodium8032
LisinoprilLisinopril7326
Breo ElliptaFluticasone/Vilanterol6722
JardianceEmpagliflozin6519
EliquisApixaban5619
TrulicityDulaglutide5611
Escitalopram OxalateEscitalopram Oxalate5516
Fluoxetine HclFluoxetine Hcl5312
LorazepamLorazepam49suppressed
AzithromycinAzithromycin4738
ClonazepamClonazepam46suppressed
Metformin Hcl ErMetformin Hcl4516
Cyclobenzaprine HclCyclobenzaprine Hcl4423
Fluticasone PropionateFluticasone Propionate4318
AllopurinolAllopurinol4116
SimvastatinSimvastatin4114
SynthroidLevothyroxine Sodium4113
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide4111
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen37suppressed
ValsartanValsartan37suppressed
FurosemideFurosemide3515
ValacyclovirValacyclovir Hcl3517
CephalexinCephalexin3328
Olmesartan MedoxomilOlmesartan Medoxomil33suppressed
ClopidogrelClopidogrel Bisulfate30suppressed
Duloxetine HclDuloxetine Hcl30suppressed
Sumatriptan SuccinateSumatriptan Succinate29suppressed
IbuprofenIbuprofen2812
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide28suppressed
Tramadol HclTramadol Hcl28suppressed
MethylprednisoloneMethylprednisolone2720
Venlafaxine Hcl ErVenlafaxine Hcl27suppressed
FamotidineFamotidine2611
JanuviaSitagliptin Phosphate25suppressed
OzempicSemaglutide25suppressed
Doxazosin MesylateDoxazosin Mesylate24suppressed
Pravastatin SodiumPravastatin Sodium24suppressed
AtenololAtenolol23suppressed
Buspirone HclBuspirone Hcl23suppressed
Citalopram HbrCitalopram Hydrobromide23suppressed
GlipizideGlipizide23suppressed
Metoprolol TartrateMetoprolol Tartrate2311
Oxycodone HclOxycodone Hcl22suppressed
Paroxetine HclParoxetine Hcl22suppressed
Potassium ChloridePotassium Chloride21suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2113
Ciprofloxacin HclCiprofloxacin Hcl2014
DiazepamDiazepam20suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide20suppressed
TradjentaLinagliptin20suppressed
Donepezil HclDonepezil Hcl19suppressed
Hydralazine HclHydralazine Hcl19suppressed
EzetimibeEzetimibe18suppressed
PaxlovidNirmatrelvir/Ritonavir1817
ProgesteroneProgesterone, Micronized18suppressed
CelecoxibCelecoxib17suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip17suppressed
KetoconazoleKetoconazole17suppressed
Mometasone FuroateMometasone Furoate17suppressed
PregabalinPregabalin17suppressed
Wixela InhubFluticasone Propion/Salmeterol17suppressed
FinasterideFinasteride16suppressed
RamelteonRamelteon16suppressed
RybelsusSemaglutide16suppressed
SpironolactoneSpironolactone16suppressed
Quetiapine FumarateQuetiapine Fumarate15suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter15suppressed
Bupropion XlBupropion Hcl14suppressed
Diclofenac SodiumDiclofenac Sodium14suppressed
MethocarbamolMethocarbamol14suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid14suppressed
Clobetasol PropionateClobetasol Propionate13suppressed
Nifedipine ErNifedipine13suppressed
Atrovent HfaIpratropium Bromide12suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
EstradiolEstradiol12suppressed
IbuIbuprofen12suppressed
LovastatinLovastatin12suppressed
Ondansetron HclOndansetron Hcl12suppressed
ChlorthalidoneChlorthalidone11suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine11suppressed
Nebivolol HclNebivolol Hcl11suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen11suppressed
RizatriptanRizatriptan Benzoate11suppressed
ZaleplonZaleplon11suppressed
Zolpidem Tartrate ErZolpidem Tartrate11suppressed

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