Healthcare provider profile · identity verified

Kenneth Bernstein, M.D.

Family Practice · MADERA, CA · NPI 1366425357

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
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10613
Atorvastatin CalciumAtorvastatin Calcium9833
Levothyroxine SodiumLevothyroxine Sodium9424
Metformin HclMetformin Hcl9127
Amlodipine BesylateAmlodipine Besylate9028
OmeprazoleOmeprazole7717
GabapentinGabapentin6816
SimvastatinSimvastatin6320
LisinoprilLisinopril6120
FurosemideFurosemide5515
IbuprofenIbuprofen5019
Zolpidem TartrateZolpidem Tartrate39suppressed
Potassium ChloridePotassium Chloride38suppressed
Escitalopram OxalateEscitalopram Oxalate35suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog32suppressed
Metoprolol SuccinateMetoprolol Succinate32suppressed
DiazepamDiazepam30suppressed
EliquisApixaban28suppressed
HydrochlorothiazideHydrochlorothiazide28suppressed
AlprazolamAlprazolam27suppressed
OlanzapineOlanzapine26suppressed
Pantoprazole SodiumPantoprazole Sodium26suppressed
Tamsulosin HclTamsulosin Hcl26suppressed
Tramadol HclTramadol Hcl26suppressed
Benazepril HclBenazepril Hcl25suppressed
Albuterol Sulfate HfaAlbuterol Sulfate23suppressed
CarisoprodolCarisoprodol22suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl21suppressed
AllopurinolAllopurinol20suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog20suppressed
Pravastatin SodiumPravastatin Sodium20suppressed
SucralfateSucralfate19suppressed
MounjaroTirzepatide18suppressed
BaclofenBaclofen17suppressed
Hydralazine HclHydralazine Hcl17suppressed
Insulin SyringeSyringe-Needle,insulin,0.5 Ml17suppressed
OzempicSemaglutide17suppressed
Buspirone HclBuspirone Hcl16suppressed
EstradiolEstradiol15suppressed
Fluticasone PropionateFluticasone Propionate15suppressed
Losartan PotassiumLosartan Potassium15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
Novolog FlexpenInsulin Aspart14suppressed
Acetaminophen-CodeineAcetaminophen With Codeine13suppressed
AmoxicillinAmoxicillin13suppressed
AtenololAtenolol13suppressed
Dicyclomine HclDicyclomine Hcl13suppressed
Pioglitazone HclPioglitazone Hcl13suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril12suppressed
FenofibrateFenofibrate Nanocrystallized12suppressed
MeloxicamMeloxicam12suppressed
Paroxetine HclParoxetine Hcl12suppressed
SpironolactoneSpironolactone12suppressed
MethimazoleMethimazole11suppressed
Olmesartan MedoxomilOlmesartan Medoxomil11suppressed
Ondansetron OdtOndansetron11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide11suppressed

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