Healthcare provider profile · identity verified

David A Lu, D.O.

Family Practice · MARYSVILLE, WA · NPI 1326366873

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 Calcium432153
Losartan PotassiumLosartan Potassium24987
OmeprazoleOmeprazole19074
Amlodipine BesylateAmlodipine Besylate18659
Levothyroxine SodiumLevothyroxine Sodium16854
LisinoprilLisinopril16858
GabapentinGabapentin13353
Tamsulosin HclTamsulosin Hcl13045
Metformin Hcl ErMetformin Hcl10839
Albuterol Sulfate HfaAlbuterol Sulfate10746
Metoprolol SuccinateMetoprolol Succinate10235
Sertraline HclSertraline Hcl8532
Pantoprazole SodiumPantoprazole Sodium8031
HydrochlorothiazideHydrochlorothiazide7928
Trazodone HclTrazodone Hcl7624
Rosuvastatin CalciumRosuvastatin Calcium7527
Potassium ChloridePotassium Chloride7124
Pravastatin SodiumPravastatin Sodium7125
Metformin HclMetformin Hcl7026
Glipizide ErGlipizide6827
SimvastatinSimvastatin6223
Alendronate SodiumAlendronate Sodium5618
Tizanidine HclTizanidine Hcl5211
AtenololAtenolol4818
Duloxetine HclDuloxetine Hcl4816
Metoprolol TartrateMetoprolol Tartrate4717
FurosemideFurosemide4516
AllopurinolAllopurinol4216
CarvedilolCarvedilol3911
Triamcinolone AcetonideTriamcinolone Acetonide3930
ChlorthalidoneChlorthalidone3811
Tramadol HclTramadol Hcl38suppressed
Zolpidem TartrateZolpidem Tartrate37suppressed
Citalopram HbrCitalopram Hydrobromide36suppressed
Escitalopram OxalateEscitalopram Oxalate3512
FamotidineFamotidine3213
Montelukast SodiumMontelukast Sodium3211
Fluticasone PropionateFluticasone Propionate3112
Methylphenidate ErMethylphenidate Hcl31suppressed
SpironolactoneSpironolactone3011
Venlafaxine Hcl ErVenlafaxine Hcl29suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2822
TrulicityDulaglutide26suppressed
Buspirone HclBuspirone Hcl25suppressed
LamotrigineLamotrigine25suppressed
SymbicortBudesonide/Formoterol Fumarate25suppressed
EliquisApixaban23suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen23suppressed
OzempicSemaglutide23suppressed
PrednisonePrednisone2315
TopiramateTopiramate23suppressed
FinasterideFinasteride22suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog2213
Bupropion XlBupropion Hcl21suppressed
JardianceEmpagliflozin21suppressed
ClopidogrelClopidogrel Bisulfate20suppressed
Doxycycline HyclateDoxycycline Hyclate2016
Fluticasone-SalmeterolFluticasone Propion/Salmeterol20suppressed
Doxazosin MesylateDoxazosin Mesylate19suppressed
DigoxinDigoxin18suppressed
Oxybutynin Chloride ErOxybutynin Chloride18suppressed
Quetiapine FumarateQuetiapine Fumarate18suppressed
ValsartanValsartan18suppressed
Warfarin SodiumWarfarin Sodium18suppressed
CephalexinCephalexin17suppressed
ClonazepamClonazepam17suppressed
Hydroxyzine PamoateHydroxyzine Pamoate17suppressed
DiazepamDiazepam16suppressed
Hydroxyzine HclHydroxyzine Hcl16suppressed
Methylphenidate HclMethylphenidate Hcl16suppressed
Ondansetron OdtOndansetron16suppressed
Paroxetine HclParoxetine Hcl15suppressed
CelecoxibCelecoxib14suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl14suppressed
LoperamideLoperamide Hcl14suppressed
LovastatinLovastatin14suppressed
AripiprazoleAripiprazole13suppressed
Combivent RespimatIpratropium/Albuterol Sulfate13suppressed
Donepezil HclDonepezil Hcl13suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13suppressed
AcyclovirAcyclovir12suppressed
AprisoMesalamine12suppressed
Carbidopa-LevodopaCarbidopa/Levodopa12suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine12suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12suppressed
Oxycodone HclOxycodone Hcl12suppressed
Tramadol Hcl-AcetaminophenTramadol Hcl/Acetaminophen12suppressed
ValacyclovirValacyclovir Hcl12suppressed
Amitriptyline HclAmitriptyline Hcl11suppressed
Benazepril HclBenazepril Hcl11suppressed
Fluoxetine HclFluoxetine 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