Healthcare provider profile · identity verified

David Larsen, DO

Family Practice · LONGVIEW, TX · NPI 1609225960

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
Levothyroxine SodiumLevothyroxine Sodium34379
OmeprazoleOmeprazole26769
GabapentinGabapentin23954
Atorvastatin CalciumAtorvastatin Calcium23764
Amlodipine BesylateAmlodipine Besylate22366
Losartan PotassiumLosartan Potassium22370
FurosemideFurosemide18745
Rosuvastatin CalciumRosuvastatin Calcium18165
Potassium ChloridePotassium Chloride16134
LisinoprilLisinopril16051
Metoprolol SuccinateMetoprolol Succinate15941
EliquisApixaban15223
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen14434
Tramadol HclTramadol Hcl14334
Sertraline HclSertraline Hcl13222
Pantoprazole SodiumPantoprazole Sodium13141
SimvastatinSimvastatin11022
Donepezil HclDonepezil Hcl10513
Metoprolol TartrateMetoprolol Tartrate10226
Trazodone HclTrazodone Hcl9723
Metformin Hcl ErMetformin Hcl9528
Tamsulosin HclTamsulosin Hcl9125
AlprazolamAlprazolam8922
Montelukast SodiumMontelukast Sodium8528
XareltoRivaroxaban80suppressed
CarvedilolCarvedilol7724
Duloxetine HclDuloxetine Hcl7623
Bupropion XlBupropion Hcl7516
Fluoxetine HclFluoxetine Hcl6715
HydrochlorothiazideHydrochlorothiazide6623
PregabalinPregabalin6316
Memantine HclMemantine Hcl62suppressed
MeloxicamMeloxicam6118
OzempicSemaglutide60suppressed
Pravastatin SodiumPravastatin Sodium6020
Metformin HclMetformin Hcl5815
Escitalopram OxalateEscitalopram Oxalate5717
Fluticasone PropionateFluticasone Propionate5727
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5615
EzetimibeEzetimibe5515
NitrofurantoinNitrofurantoin Macrocrystal55suppressed
DigoxinDigoxin51suppressed
Ropinirole HclRopinirole Hcl48suppressed
Albuterol Sulfate HfaAlbuterol Sulfate4524
BumetanideBumetanide45suppressed
Oxybutynin Chloride ErOxybutynin Chloride45suppressed
ClonazepamClonazepam4316
Hydroxyzine HclHydroxyzine Hcl4111
Zolpidem TartrateZolpidem Tartrate4114
Citalopram HbrCitalopram Hydrobromide40suppressed
JanuviaSitagliptin Phosphate39suppressed
Venlafaxine Hcl ErVenlafaxine Hcl39suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog36suppressed
MirtazapineMirtazapine36suppressed
Acetaminophen-CodeineAcetaminophen With Codeine3511
Amitriptyline HclAmitriptyline Hcl35suppressed
CephalexinCephalexin3516
Oxybutynin ChlorideOxybutynin Chloride35suppressed
Buspirone HclBuspirone Hcl3411
MounjaroTirzepatide34suppressed
ClopidogrelClopidogrel Bisulfate33suppressed
GlimepirideGlimepiride32suppressed
Amiodarone HclAmiodarone Hcl30suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium3011
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide30suppressed
Quetiapine FumarateQuetiapine Fumarate30suppressed
TopiramateTopiramate30suppressed
EstradiolEstradiol29suppressed
Hydralazine HclHydralazine Hcl29suppressed
SpironolactoneSpironolactone29suppressed
Tizanidine HclTizanidine Hcl29suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc2811
GlipizideGlipizide28suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl27suppressed
LorazepamLorazepam2714
RamiprilRamipril27suppressed
CelecoxibCelecoxib26suppressed
Doxycycline HyclateDoxycycline Hyclate2618
FamotidineFamotidine26suppressed
LovastatinLovastatin26suppressed
AllopurinolAllopurinol2512
ChlorthalidoneChlorthalidone25suppressed
Doxazosin MesylateDoxazosin Mesylate25suppressed
JardianceEmpagliflozin25suppressed
LevetiracetamLevetiracetam24suppressed
Novolog FlexpenInsulin Aspart24suppressed
TorsemideTorsemide24suppressed
MethocarbamolMethocarbamol23suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2317
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen23suppressed
Ondansetron HclOndansetron Hcl2115
SynthroidLevothyroxine Sodium21suppressed
BudesonideBudesonide20suppressed
Alendronate SodiumAlendronate Sodium19suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1913
LatanoprostLatanoprost19suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide19suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl19suppressed
BaclofenBaclofen18suppressed
DiazepamDiazepam18suppressed
Promethazine HclPromethazine Hcl18suppressed
Sumatriptan SuccinateSumatriptan Succinate18suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril17suppressed
Carbidopa-LevodopaCarbidopa/Levodopa17suppressed
TemazepamTemazepam17suppressed
PrednisonePrednisone16suppressed
Raloxifene HclRaloxifene Hcl16suppressed
AtenololAtenolol15suppressed
Dicyclomine HclDicyclomine Hcl15suppressed
Divalproex Sodium ErDivalproex Sodium15suppressed
FinasterideFinasteride15suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate15suppressed
Solifenacin SuccinateSolifenacin Succinate15suppressed
Admelog SolostarInsulin Lispro14suppressed
CarbamazepineCarbamazepine14suppressed
EszopicloneEszopiclone13suppressed
IbuprofenIbuprofen13suppressed
Olmesartan MedoxomilOlmesartan Medoxomil13suppressed
Calcium AcetateCalcium Acetate12suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa12suppressed
CefdinirCefdinir12suppressed
FenofibrateFenofibrate12suppressed
Prazosin HclPrazosin Hcl12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Warfarin SodiumWarfarin Sodium12suppressed
CreonLipase/Protease/Amylase11suppressed
FluconazoleFluconazole11suppressed
HorizantGabapentin Enacarbil11suppressed
Hydroxyzine PamoateHydroxyzine Pamoate11suppressed
MethimazoleMethimazole11suppressed
Metoclopramide HclMetoclopramide Hcl11suppressed
Nifedipine ErNifedipine11suppressed
Ranolazine ErRanolazine11suppressed

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