Healthcare provider profile · identity verified

Ernesto Cortez, D.O.

Family Practice · BELLFLOWER, CA · NPI 1164436408

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 Calcium476183
Metformin HclMetformin Hcl384126
LisinoprilLisinopril294110
Losartan PotassiumLosartan Potassium23478
Amlodipine BesylateAmlodipine Besylate22677
Levothyroxine SodiumLevothyroxine Sodium21761
Alendronate SodiumAlendronate Sodium17969
OmeprazoleOmeprazole17961
Tamsulosin HclTamsulosin Hcl17554
Benazepril HclBenazepril Hcl14946
SimvastatinSimvastatin14646
GlipizideGlipizide14545
Pantoprazole SodiumPantoprazole Sodium10934
BaclofenBaclofen10447
Diclofenac SodiumDiclofenac Sodium10237
AtenololAtenolol9729
AlprazolamAlprazolam9517
Ciprofloxacin HclCiprofloxacin Hcl9586
HydrochlorothiazideHydrochlorothiazide9536
Fluticasone PropionateFluticasone Propionate9441
GabapentinGabapentin9132
Albuterol Sulfate HfaAlbuterol Sulfate8630
AzithromycinAzithromycin8379
IbuprofenIbuprofen6523
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6218
Sildenafil CitrateSildenafil Citrate62suppressed
Meclizine HclMeclizine Hcl6130
JanuviaSitagliptin Phosphate6020
Citalopram HbrCitalopram Hydrobromide5411
GlimepirideGlimepiride5322
Metoprolol TartrateMetoprolol Tartrate5322
Buspirone HclBuspirone Hcl5014
CephalexinCephalexin4645
FurosemideFurosemide4619
FenofibrateFenofibrate,micronized4516
Pravastatin SodiumPravastatin Sodium4415
ClopidogrelClopidogrel Bisulfate4116
FamotidineFamotidine3914
Metformin Hcl ErMetformin Hcl3912
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3812
Sertraline HclSertraline Hcl38suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3213
Rosuvastatin CalciumRosuvastatin Calcium3214
LovastatinLovastatin31suppressed
Pioglitazone HclPioglitazone Hcl3112
EliquisApixaban3012
Metoprolol SuccinateMetoprolol Succinate3011
AllopurinolAllopurinol2814
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen28suppressed
KetoconazoleKetoconazole2818
FinasterideFinasteride27suppressed
CarvedilolCarvedilol2512
Diclofenac PotassiumDiclofenac Potassium24suppressed
EzetimibeEzetimibe24suppressed
Nystatin-TriamcinoloneNystatin/Triamcinolone Acet2420
PregabalinPregabalin24suppressed
Divalproex SodiumDivalproex Sodium22suppressed
Montelukast SodiumMontelukast Sodium22suppressed
SynthroidLevothyroxine Sodium22suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid22suppressed
Clonidine HclClonidine Hcl21suppressed
MeloxicamMeloxicam21suppressed
Neomycin-Polymyxin-HydrocortNeomycin/Polymyxin B/Hydrocort2119
Nifedipine ErNifedipine21suppressed
OzempicSemaglutide21suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended21suppressed
Escitalopram OxalateEscitalopram Oxalate20suppressed
HydrocortisoneHydrocortisone20suppressed
Metoclopramide HclMetoclopramide Hcl20suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic20suppressed
Propranolol HclPropranolol Hcl20suppressed
ValsartanValsartan20suppressed
Donepezil HclDonepezil Hcl19suppressed
GemfibrozilGemfibrozil19suppressed
LorazepamLorazepam19suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1914
Isosorbide Mononitrate ErIsosorbide Mononitrate18suppressed
JardianceEmpagliflozin18suppressed
MethylprednisoloneMethylprednisolone1815
Triamcinolone AcetonideTriamcinolone Acetonide18suppressed
FenofibrateFenofibrate17suppressed
Oxybutynin ChlorideOxybutynin Chloride17suppressed
Paroxetine HclParoxetine Hcl17suppressed
Zolpidem TartrateZolpidem Tartrate17suppressed
Enalapril MaleateEnalapril Maleate16suppressed
LevetiracetamLevetiracetam16suppressed
MirtazapineMirtazapine16suppressed
PrednisonePrednisone16suppressed
Fluoxetine HclFluoxetine Hcl15suppressed
LansoprazoleLansoprazole15suppressed
Hydralazine HclHydralazine Hcl14suppressed
Potassium ChloridePotassium Chloride14suppressed
Pyridostigmine BromidePyridostigmine Bromide14suppressed
Chlorpromazine HclChlorpromazine Hcl13suppressed
CiclopiroxCiclopirox13suppressed
Duloxetine HclDuloxetine Hcl13suppressed
JanumetSitagliptin Phos/Metformin Hcl13suppressed
Ondansetron HclOndansetron Hcl13suppressed
Tramadol HclTramadol Hcl13suppressed
Wixela InhubFluticasone Propion/Salmeterol13suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12suppressed
Brimonidine TartrateBrimonidine Tartrate12suppressed
Carbamazepine ErCarbamazepine12suppressed
Felodipine ErFelodipine12suppressed
Glipizide ErGlipizide12suppressed
Insulin SyringeSyringe-Needle,insulin,0.5 Ml12suppressed
Minocycline HclMinocycline Hcl12suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12suppressed
XareltoRivaroxaban12suppressed
Azelastine HclAzelastine Hcl11suppressed
ErythromycinErythromycin Base11suppressed
Tresiba Flextouch U-100Insulin Degludec11suppressed
Verapamil ErVerapamil Hcl11suppressed

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