Healthcare provider profile · identity verified

Henry Weinstock, M.D.

Family Practice · SAN JOSE, CA · NPI 1043312655

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 Calcium539168
Amlodipine BesylateAmlodipine Besylate404118
HydrochlorothiazideHydrochlorothiazide28893
Metformin HclMetformin Hcl25681
LisinoprilLisinopril21274
Losartan PotassiumLosartan Potassium18760
Levothyroxine SodiumLevothyroxine Sodium18352
GabapentinGabapentin16145
SimvastatinSimvastatin15257
Rosuvastatin CalciumRosuvastatin Calcium14441
AtenololAtenolol13943
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13219
OmeprazoleOmeprazole11642
FurosemideFurosemide10635
Tamsulosin HclTamsulosin Hcl10536
Metoprolol SuccinateMetoprolol Succinate10233
Benazepril HclBenazepril Hcl9829
Pantoprazole SodiumPantoprazole Sodium9728
Metoprolol TartrateMetoprolol Tartrate9634
EliquisApixaban7918
Pravastatin SodiumPravastatin Sodium7925
Trazodone HclTrazodone Hcl7427
Zolpidem TartrateZolpidem Tartrate6718
CarvedilolCarvedilol6621
AllopurinolAllopurinol6119
Duloxetine HclDuloxetine Hcl6113
GlipizideGlipizide6023
Sertraline HclSertraline Hcl6014
Albuterol Sulfate HfaAlbuterol Sulfate5918
FinasterideFinasteride5516
LorazepamLorazepam5521
Oxybutynin Chloride ErOxybutynin Chloride5414
AlprazolamAlprazolam53suppressed
LovastatinLovastatin5014
Potassium ChloridePotassium Chloride4519
Citalopram HbrCitalopram Hydrobromide4314
ClonazepamClonazepam43suppressed
Quetiapine FumarateQuetiapine Fumarate43suppressed
OzempicSemaglutide40suppressed
ClopidogrelClopidogrel Bisulfate3812
GlimepirideGlimepiride3711
Montelukast SodiumMontelukast Sodium37suppressed
Alendronate SodiumAlendronate Sodium3617
Tizanidine HclTizanidine Hcl34suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3213
SpironolactoneSpironolactone3212
Metformin Hcl ErMetformin Hcl3111
Doxepin HclDoxepin Hcl30suppressed
Wixela InhubFluticasone Propion/Salmeterol30suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl29suppressed
Hydralazine HclHydralazine Hcl29suppressed
Fluticasone PropionateFluticasone Propionate28suppressed
Acetaminophen-CodeineAcetaminophen With Codeine26suppressed
Olmesartan MedoxomilOlmesartan Medoxomil26suppressed
Doxazosin MesylateDoxazosin Mesylate25suppressed
MirtazapineMirtazapine25suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl21suppressed
Diclofenac SodiumDiclofenac Sodium21suppressed
Fluoxetine HclFluoxetine Hcl21suppressed
Glipizide ErGlipizide21suppressed
Meclizine HclMeclizine Hcl2111
MeloxicamMeloxicam21suppressed
Clonidine HclClonidine Hcl20suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine20suppressed
Terazosin HclTerazosin Hcl20suppressed
AripiprazoleAripiprazole19suppressed
Pioglitazone HclPioglitazone Hcl19suppressed
Warfarin SodiumWarfarin Sodium19suppressed
AzithromycinAzithromycin1813
BenzonatateBenzonatate1812
Donepezil HclDonepezil Hcl18suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide18suppressed
Memantine HclMemantine Hcl18suppressed
IbuprofenIbuprofen17suppressed
LactuloseLactulose17suppressed
Nifedipine ErNifedipine17suppressed
Tramadol HclTramadol Hcl17suppressed
FamotidineFamotidine16suppressed
Megestrol AcetateMegestrol Acetate16suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen16suppressed
PaxlovidNirmatrelvir/Ritonavir1616
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
BaclofenBaclofen15suppressed
JardianceEmpagliflozin15suppressed
Mometasone FuroateMometasone Furoate15suppressed
NitroglycerinNitroglycerin15suppressed
Ondansetron HclOndansetron Hcl15suppressed
Qvar RedihalerBeclomethasone Dipropionate15suppressed
RizatriptanRizatriptan Benzoate15suppressed
CephalexinCephalexin14suppressed
ChlorthalidoneChlorthalidone14suppressed
Hydroxyzine HclHydroxyzine Hcl1411
KetoconazoleKetoconazole14suppressed
LantusInsulin Glargine,hum.Rec.Anlog14suppressed
Sumatriptan SuccinateSumatriptan Succinate14suppressed
Ventolin HfaAlbuterol Sulfate14suppressed
Ciprofloxacin HclCiprofloxacin Hcl13suppressed
Fosinopril SodiumFosinopril Sodium13suppressed
Propranolol HclPropranolol Hcl13suppressed
Ropinirole HclRopinirole Hcl13suppressed
HydrocortisoneHydrocortisone12suppressed
LamotrigineLamotrigine12suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic12suppressed
Rabeprazole SodiumRabeprazole Sodium12suppressed
Azelastine HclAzelastine Hcl11suppressed
Buspirone HclBuspirone Hcl11suppressed
EzetimibeEzetimibe11suppressed
FenofibrateFenofibrate Nanocrystallized11suppressed
LansoprazoleLansoprazole11suppressed
Morphine SulfateMorphine Sulfate11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed
TrulicityDulaglutide11suppressed
XareltoRivaroxaban11suppressed
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