Healthcare provider profile · identity verified

Ignacio Borenstein, MD

Internal Medicine · BALDWIN PARK, CA · NPI 1174013585

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 Calcium643280
Amlodipine BesylateAmlodipine Besylate372166
Losartan PotassiumLosartan Potassium309141
Metformin HclMetformin Hcl290137
Rosuvastatin CalciumRosuvastatin Calcium290124
LisinoprilLisinopril288121
OmeprazoleOmeprazole207106
Levothyroxine SodiumLevothyroxine Sodium20582
GabapentinGabapentin15582
Alendronate SodiumAlendronate Sodium13860
JardianceEmpagliflozin13658
GlipizideGlipizide12857
Tamsulosin HclTamsulosin Hcl12561
MirtazapineMirtazapine11051
Nano 2nd Gen Pen NeedlePen Needle, Diabetic10849
FinasterideFinasteride10647
FurosemideFurosemide10659
Terazosin HclTerazosin Hcl9835
AtenololAtenolol9140
Albuterol Sulfate HfaAlbuterol Sulfate9054
HydrochlorothiazideHydrochlorothiazide8937
Potassium ChloridePotassium Chloride7840
Metoprolol TartrateMetoprolol Tartrate7442
SimvastatinSimvastatin7233
Trazodone HclTrazodone Hcl7237
MeloxicamMeloxicam7042
Pantoprazole SodiumPantoprazole Sodium6331
Humulin N KwikpenInsulin Nph Human Isophane6123
Insulin Glargine-YfgnInsulin Glargine-Yfgn5729
CarvedilolCarvedilol5627
AllopurinolAllopurinol5425
Hydralazine HclHydralazine Hcl5431
PradaxaDabigatran Etexilate Mesylate5225
IbuprofenIbuprofen5130
EzetimibeEzetimibe4922
Humulin NInsulin Nph Human Isophane4821
ClopidogrelClopidogrel Bisulfate4322
Bisoprolol FumarateBisoprolol Fumarate4120
Triamcinolone AcetonideTriamcinolone Acetonide4133
Escitalopram OxalateEscitalopram Oxalate4021
Metformin Hcl ErMetformin Hcl3922
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3814
Sertraline HclSertraline Hcl3617
OzempicSemaglutide31suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml3114
Benazepril HclBenazepril Hcl3013
Isosorbide Mononitrate ErIsosorbide Mononitrate3013
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide2911
Humulin RInsulin Regular, Human28suppressed
Metoprolol SuccinateMetoprolol Succinate2812
PrednisonePrednisone2825
Donepezil HclDonepezil Hcl2712
HydrocortisoneHydrocortisone2521
LiraglutideLiraglutide25suppressed
Quetiapine FumarateQuetiapine Fumarate25suppressed
SpironolactoneSpironolactone2514
LactuloseLactulose24suppressed
Duloxetine HclDuloxetine Hcl2316
AlprazolamAlprazolam22suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2212
ValsartanValsartan22suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf2121
LovastatinLovastatin20suppressed
Pravastatin SodiumPravastatin Sodium20suppressed
Azelastine HclAzelastine Hcl1813
LorazepamLorazepam18suppressed
Venlafaxine Hcl ErVenlafaxine Hcl1812
Victoza 2-PakLiraglutide17suppressed
BreynaBudesonide/Formoterol Fumarate16suppressed
Terbinafine HclTerbinafine Hcl16suppressed
Tramadol HclTramadol Hcl1614
Veo Insulin SyringeSyringe And Needle,insulin,1ml16suppressed
Wixela InhubFluticasone Propion/Salmeterol1611
CiclopiroxCiclopirox1511
Propranolol HclPropranolol Hcl15suppressed
XareltoRivaroxaban15suppressed
FamotidineFamotidine1412
FenofibrateFenofibrate14suppressed
Montelukast SodiumMontelukast Sodium14suppressed
Acetaminophen-CodeineAcetaminophen With Codeine13suppressed
AlvescoCiclesonide13suppressed
AmoxicillinAmoxicillin1313
Pioglitazone HclPioglitazone Hcl13suppressed
Spiriva RespimatTiotropium Bromide13suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl13suppressed
Ciprofloxacin HclCiprofloxacin Hcl1211
Clobetasol PropionateClobetasol Propionate12suppressed
ColchicineColchicine12suppressed
EliquisApixaban12suppressed
Levetiracetam ErLevetiracetam12suppressed
Ondansetron HclOndansetron Hcl1211
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12suppressed
Paroxetine HclParoxetine Hcl12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Ibandronate SodiumIbandronate Sodium11suppressed
PregabalinPregabalin11suppressed
TemazepamTemazepam11suppressed

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