Healthcare provider profile · identity verified

Alexander Leighton, MD

Internal Medicine · BROOKINGS, OR · NPI 1063422608

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 Calcium502138
LisinoprilLisinopril464131
Amlodipine BesylateAmlodipine Besylate430118
Losartan PotassiumLosartan Potassium36594
Levothyroxine SodiumLevothyroxine Sodium27472
Metoprolol SuccinateMetoprolol Succinate22157
HydrochlorothiazideHydrochlorothiazide19756
OmeprazoleOmeprazole16154
LovastatinLovastatin16046
Rosuvastatin CalciumRosuvastatin Calcium14842
GabapentinGabapentin13937
Potassium ChloridePotassium Chloride12741
Metformin HclMetformin Hcl12231
Sertraline HclSertraline Hcl12229
Pravastatin SodiumPravastatin Sodium12134
EliquisApixaban10830
Tamsulosin HclTamsulosin Hcl9833
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen9722
Metoprolol TartrateMetoprolol Tartrate9724
Metformin Hcl ErMetformin Hcl9226
Warfarin SodiumWarfarin Sodium8821
Nortriptyline HclNortriptyline Hcl8725
Trazodone HclTrazodone Hcl8529
Alendronate SodiumAlendronate Sodium8423
CarvedilolCarvedilol8427
FurosemideFurosemide8126
SimvastatinSimvastatin8023
XareltoRivaroxaban7317
SpironolactoneSpironolactone7218
Pantoprazole SodiumPantoprazole Sodium7119
Albuterol Sulfate HfaAlbuterol Sulfate6626
AllopurinolAllopurinol6516
ClopidogrelClopidogrel Bisulfate5818
OzempicSemaglutide5312
GlimepirideGlimepiride5115
SynthroidLevothyroxine Sodium4713
Benazepril HclBenazepril Hcl4612
ChlorthalidoneChlorthalidone4615
FinasterideFinasteride4312
AtenololAtenolol4212
Duloxetine HclDuloxetine Hcl42suppressed
Tramadol HclTramadol Hcl41suppressed
Paroxetine HclParoxetine Hcl4014
Venlafaxine Hcl ErVenlafaxine Hcl40suppressed
ValsartanValsartan34suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl31suppressed
ClonazepamClonazepam29suppressed
Oxycodone HclOxycodone Hcl29suppressed
Fluoxetine HclFluoxetine Hcl28suppressed
Montelukast SodiumMontelukast Sodium27suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2724
Labetalol HclLabetalol Hcl26suppressed
PrednisonePrednisone26suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid26suppressed
Zolpidem TartrateZolpidem Tartrate25suppressed
Propranolol HclPropranolol Hcl24suppressed
NitroglycerinNitroglycerin2322
Bupropion XlBupropion Hcl22suppressed
Felodipine ErFelodipine22suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol21suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog20suppressed
LorazepamLorazepam20suppressed
PregabalinPregabalin20suppressed
MinoxidilMinoxidil19suppressed
Nebivolol HclNebivolol Hcl19suppressed
Enalapril MaleateEnalapril Maleate18suppressed
Terazosin HclTerazosin Hcl18suppressed
EstradiolEstradiol17suppressed
Hydroxyzine HclHydroxyzine Hcl16suppressed
LevetiracetamLevetiracetam16suppressed
Ciprofloxacin HclCiprofloxacin Hcl1512
Citalopram HbrCitalopram Hydrobromide15suppressed
Diltiazem 24hr ErDiltiazem Hcl15suppressed
GlipizideGlipizide15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium14suppressed
FamotidineFamotidine14suppressed
Fluticasone PropionateFluticasone Propionate14suppressed
Ipratropium BromideIpratropium Bromide14suppressed
IrbesartanIrbesartan14suppressed
AlprazolamAlprazolam13suppressed
Carbidopa-LevodopaCarbidopa/Levodopa13suppressed
Donepezil HclDonepezil Hcl13suppressed
JardianceEmpagliflozin13suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide13suppressed
BumetanideBumetanide12suppressed
DigoxinDigoxin12suppressed
Escitalopram OxalateEscitalopram Oxalate12suppressed
EzetimibeEzetimibe12suppressed
Wixela InhubFluticasone Propion/Salmeterol12suppressed
BaclofenBaclofen11suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate11suppressed
Estradiol (Once Weekly)Estradiol11suppressed
Klor-Con M20Potassium Chloride11suppressed
Morphine Sulfate ErMorphine Sulfate11suppressed
Nifedipine ErNifedipine11suppressed
Olmesartan MedoxomilOlmesartan Medoxomil11suppressed
Ondansetron OdtOndansetron11suppressed
PaxlovidNirmatrelvir/Ritonavir1111
Ropinirole HclRopinirole Hcl11suppressed
Sumatriptan SuccinateSumatriptan Succinate11suppressed

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