Healthcare provider profile · identity verified

Scott Thomas Larson, M.D.

Family Practice · IOWA CITY, IA · NPI 1639516685

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 Calcium28077
Amlodipine BesylateAmlodipine Besylate20952
Levothyroxine SodiumLevothyroxine Sodium14639
LisinoprilLisinopril13038
Losartan PotassiumLosartan Potassium12935
Metoprolol SuccinateMetoprolol Succinate12731
FamotidineFamotidine11721
GabapentinGabapentin11630
OmeprazoleOmeprazole9725
Tamsulosin HclTamsulosin Hcl9025
Metformin Hcl ErMetformin Hcl8523
Pantoprazole SodiumPantoprazole Sodium8320
EliquisApixaban8217
Rosuvastatin CalciumRosuvastatin Calcium8223
FurosemideFurosemide7419
HydrochlorothiazideHydrochlorothiazide6714
Metformin HclMetformin Hcl6616
Trazodone HclTrazodone Hcl6615
Oxycodone HclOxycodone Hcl64suppressed
Duloxetine HclDuloxetine Hcl6312
Albuterol Sulfate HfaAlbuterol Sulfate6022
Potassium ChloridePotassium Chloride6016
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5711
Sertraline HclSertraline Hcl5618
Metoprolol TartrateMetoprolol Tartrate5311
FinasterideFinasteride4813
CelecoxibCelecoxib46suppressed
AllopurinolAllopurinol4212
Ropinirole HclRopinirole Hcl38suppressed
Fluticasone PropionateFluticasone Propionate36suppressed
ChlorthalidoneChlorthalidone32suppressed
Escitalopram OxalateEscitalopram Oxalate32suppressed
Incruse ElliptaUmeclidinium Bromide31suppressed
SimvastatinSimvastatin31suppressed
BaclofenBaclofen30suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen30suppressed
MirtazapineMirtazapine30suppressed
Propranolol HclPropranolol Hcl30suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol29suppressed
Memantine HclMemantine Hcl29suppressed
OzempicSemaglutide29suppressed
SpironolactoneSpironolactone29suppressed
EzetimibeEzetimibe28suppressed
Alendronate SodiumAlendronate Sodium27suppressed
Montelukast SodiumMontelukast Sodium26suppressed
PregabalinPregabalin26suppressed
Verapamil ErVerapamil Hcl26suppressed
CarvedilolCarvedilol22suppressed
KetoconazoleKetoconazole20suppressed
Nortriptyline HclNortriptyline Hcl20suppressed
Quetiapine FumarateQuetiapine Fumarate20suppressed
LamotrigineLamotrigine19suppressed
Buspirone HclBuspirone Hcl18suppressed
ClopidogrelClopidogrel Bisulfate18suppressed
Insulin LisproInsulin Lispro18suppressed
LevetiracetamLevetiracetam18suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl17suppressed
LatanoprostLatanoprost17suppressed
Azelastine HclAzelastine Hcl16suppressed
Bupropion XlBupropion Hcl16suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
Tramadol HclTramadol Hcl14suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
XareltoRivaroxaban14suppressed
Bupropion HclBupropion Hcl13suppressed
Citalopram HbrCitalopram Hydrobromide13suppressed
Donepezil HclDonepezil Hcl13suppressed
LidocaineLidocaine13suppressed
LoperamideLoperamide Hcl13suppressed
Midodrine HclMidodrine Hcl13suppressed
OxcarbazepineOxcarbazepine13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Wixela InhubFluticasone Propion/Salmeterol13suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12suppressed
CreonLipase/Protease/Amylase12suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro12suppressed
JardianceEmpagliflozin12suppressed
LansoprazoleLansoprazole12suppressed
Ondansetron OdtOndansetron12suppressed
ButransBuprenorphine11suppressed
EntrestoSacubitril/Valsartan11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide11suppressed
Olmesartan MedoxomilOlmesartan Medoxomil11suppressed

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