Healthcare provider profile · identity verified

Jeffrey Alan Berenson, MD

Internal Medicine · MENDOCINO, CA · NPI 1902828619

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 Calcium25176
Amlodipine BesylateAmlodipine Besylate24554
Levothyroxine SodiumLevothyroxine Sodium19841
EliquisApixaban13723
GabapentinGabapentin13627
Benazepril HclBenazepril Hcl12725
Escitalopram OxalateEscitalopram Oxalate87suppressed
Metoprolol SuccinateMetoprolol Succinate7626
LorazepamLorazepam6723
Potassium ChloridePotassium Chloride6321
Zolpidem TartrateZolpidem Tartrate5815
Sertraline HclSertraline Hcl5316
OmeprazoleOmeprazole4913
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen46suppressed
IrbesartanIrbesartan4512
Losartan PotassiumLosartan Potassium4514
Tramadol HclTramadol Hcl4515
AllopurinolAllopurinol4415
Diltiazem 24hr Er (Cd)Diltiazem Hcl4413
Alfuzosin Hcl ErAlfuzosin Hcl4312
Rosuvastatin CalciumRosuvastatin Calcium4314
Alendronate SodiumAlendronate Sodium4115
Pravastatin SodiumPravastatin Sodium40suppressed
Donepezil HclDonepezil Hcl39suppressed
SimvastatinSimvastatin3611
ClopidogrelClopidogrel Bisulfate35suppressed
HydrochlorothiazideHydrochlorothiazide3513
FurosemideFurosemide3414
PaxlovidNirmatrelvir/Ritonavir3434
EzetimibeEzetimibe30suppressed
OxycontinOxycodone Hcl30suppressed
PrednisonePrednisone2911
SynthroidLevothyroxine Sodium29suppressed
Pantoprazole SodiumPantoprazole Sodium2813
Montelukast SodiumMontelukast Sodium27suppressed
CelecoxibCelecoxib26suppressed
AlprazolamAlprazolam25suppressed
EstradiolEstradiol25suppressed
Trazodone HclTrazodone Hcl25suppressed
CephalexinCephalexin2416
LisinoprilLisinopril24suppressed
OzempicSemaglutide21suppressed
Acetaminophen-CodeineAcetaminophen With Codeine20suppressed
Amitriptyline HclAmitriptyline Hcl20suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20suppressed
Metformin Hcl ErMetformin Hcl20suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate19suppressed
JardianceEmpagliflozin19suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid19suppressed
Fluticasone PropionateFluticasone Propionate18suppressed
Tamsulosin HclTamsulosin Hcl18suppressed
CarvedilolCarvedilol17suppressed
FamotidineFamotidine17suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl16suppressed
Duloxetine HclDuloxetine Hcl16suppressed
MirtazapineMirtazapine16suppressed
Bupropion Hcl SrBupropion Hcl15suppressed
Colesevelam HclColesevelam Hcl15suppressed
Humalog Kwikpen U-100Insulin Lispro15suppressed
Metformin HclMetformin Hcl15suppressed
Propranolol HclPropranolol Hcl15suppressed
TestosteroneTestosterone15suppressed
ValsartanValsartan15suppressed
PregabalinPregabalin14suppressed
SpironolactoneSpironolactone14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
MethotrexateMethotrexate Sodium13suppressed
Morphine Sulfate ErMorphine Sulfate13suppressed
MyrbetriqMirabegron13suppressed
Oxycodone HclOxycodone Hcl13suppressed
Triamcinolone AcetonideTriamcinolone Acetonide13suppressed
FinasterideFinasteride12suppressed
Nortriptyline HclNortriptyline Hcl12suppressed
AmoxicillinAmoxicillin11suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav11suppressed
Enalapril MaleateEnalapril Maleate11suppressed
FarxigaDapagliflozin Propanediol11suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11suppressed

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