Healthcare provider profile · identity verified

Lloyd Patrick Asuncion, MD

Internal Medicine · ANTIOCH, CA · NPI 1437353034

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 Calcium364150
Amlodipine BesylateAmlodipine Besylate250113
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen21538
Levothyroxine SodiumLevothyroxine Sodium19976
LisinoprilLisinopril18277
HydrochlorothiazideHydrochlorothiazide15871
Losartan PotassiumLosartan Potassium14764
Fluticasone PropionateFluticasone Propionate14254
FamotidineFamotidine12461
Metformin HclMetformin Hcl11344
Albuterol Sulfate HfaAlbuterol Sulfate10855
SimvastatinSimvastatin10541
Metformin Hcl ErMetformin Hcl9939
Metoprolol TartrateMetoprolol Tartrate9336
AtenololAtenolol8842
IbuprofenIbuprofen8735
GlipizideGlipizide8334
Tizanidine HclTizanidine Hcl8119
GabapentinGabapentin7934
Tamsulosin HclTamsulosin Hcl7126
FurosemideFurosemide6422
AllopurinolAllopurinol6025
AlvescoCiclesonide5830
LovastatinLovastatin5822
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5528
OmeprazoleOmeprazole5125
Pravastatin SodiumPravastatin Sodium4920
Trazodone HclTrazodone Hcl4820
Potassium ChloridePotassium Chloride4620
Metoprolol SuccinateMetoprolol Succinate4523
NabumetoneNabumetone4517
Rosuvastatin CalciumRosuvastatin Calcium4420
Terazosin HclTerazosin Hcl4417
Alendronate SodiumAlendronate Sodium4220
Sumatriptan SuccinateSumatriptan Succinate40suppressed
TemazepamTemazepam38suppressed
Montelukast SodiumMontelukast Sodium3717
JardianceEmpagliflozin3412
MeloxicamMeloxicam3419
ShingrixVaricella-Zoster Ge/As01b/Pf3424
PradaxaDabigatran Etexilate Mesylate3311
Hydralazine HclHydralazine Hcl3216
Sertraline HclSertraline Hcl3212
Pantoprazole SodiumPantoprazole Sodium3114
BaclofenBaclofen30suppressed
Oxycodone HclOxycodone Hcl30suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3015
Fluoxetine HclFluoxetine Hcl2912
OzempicSemaglutide28suppressed
Azelastine HclAzelastine Hcl2711
Acetaminophen-CodeineAcetaminophen With Codeine26suppressed
Doxycycline MonohydrateDoxycycline Monohydrate2621
Duloxetine HclDuloxetine Hcl2512
SpironolactoneSpironolactone2511
Ondansetron OdtOndansetron22suppressed
Chlorhexidine GluconateChlorhexidine Gluconate21suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac2020
CarvedilolCarvedilol2011
Citalopram HbrCitalopram Hydrobromide20suppressed
Wixela InhubFluticasone Propion/Salmeterol20suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1919
FinasterideFinasteride1911
PrednisonePrednisone1913
ColchicineColchicine18suppressed
HydrocortisoneHydrocortisone18suppressed
Ondansetron HclOndansetron Hcl18suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1716
Propranolol HclPropranolol Hcl17suppressed
AmoxicillinAmoxicillin16suppressed
ClopidogrelClopidogrel Bisulfate16suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl16suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide16suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1616
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen16suppressed
AlprazolamAlprazolam15suppressed
Humulin NInsulin Nph Human Isophane15suppressed
Morphine Sulfate ErMorphine Sulfate15suppressed
PregabalinPregabalin15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
DigoxinDigoxin14suppressed
Combivent RespimatIpratropium/Albuterol Sulfate13suppressed
Humulin N KwikpenInsulin Nph Human Isophane13suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn13suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine12suppressed
DiazepamDiazepam12suppressed
Donepezil HclDonepezil Hcl12suppressed
LorazepamLorazepam12suppressed
Methadone HclMethadone Hcl12suppressed
NystatinNystatin1211
Spiriva RespimatTiotropium Bromide12suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
ModafinilModafinil11suppressed
Zolpidem TartrateZolpidem 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