Healthcare provider profile · identity verified

Sandra Jean Barton, M.D.

Internal Medicine · TUALATIN, OR · NPI 1881773893

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
Tamsulosin HclTamsulosin Hcl9228
Atorvastatin CalciumAtorvastatin Calcium7928
Metoprolol TartrateMetoprolol Tartrate7622
Pantoprazole SodiumPantoprazole Sodium7230
Potassium ChloridePotassium Chloride6027
Sertraline HclSertraline Hcl5816
GabapentinGabapentin5418
TorsemideTorsemide4824
FurosemideFurosemide4727
Trazodone HclTrazodone Hcl4723
Metoprolol SuccinateMetoprolol Succinate4521
Venlafaxine Hcl ErVenlafaxine Hcl40suppressed
Oxycodone HclOxycodone Hcl3930
Humulin NInsulin Nph Human Isophane3711
FinasterideFinasteride3611
LisinoprilLisinopril3514
Alendronate SodiumAlendronate Sodium3412
Amlodipine BesylateAmlodipine Besylate3315
Isosorbide Mononitrate ErIsosorbide Mononitrate3311
ClopidogrelClopidogrel Bisulfate32suppressed
DigoxinDigoxin32suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl3211
PradaxaDabigatran Etexilate Mesylate3115
Warfarin SodiumWarfarin Sodium31suppressed
Losartan PotassiumLosartan Potassium3014
LactuloseLactulose29suppressed
SimvastatinSimvastatin29suppressed
MirtazapineMirtazapine2817
AlvescoCiclesonide26suppressed
Levothyroxine SodiumLevothyroxine Sodium2513
Buspirone HclBuspirone Hcl23suppressed
Fludrocortisone AcetateFludrocortisone Acetate23suppressed
Humulin N KwikpenInsulin Nph Human Isophane23suppressed
Pravastatin SodiumPravastatin Sodium23suppressed
Quetiapine FumarateQuetiapine Fumarate22suppressed
AllopurinolAllopurinol21suppressed
Fluoxetine HclFluoxetine Hcl21suppressed
NystatinNystatin21suppressed
Duloxetine HclDuloxetine Hcl19suppressed
JardianceEmpagliflozin19suppressed
Montelukast SodiumMontelukast Sodium19suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl19suppressed
Albuterol Sulfate HfaAlbuterol Sulfate1811
CarvedilolCarvedilol17suppressed
LatanoprostLatanoprost17suppressed
Diclofenac SodiumDiclofenac Sodium16suppressed
EliquisApixaban16suppressed
Metformin HclMetformin Hcl16suppressed
Nystatin-TriamcinoloneNystatin/Triamcinolone Acet16suppressed
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat15suppressed
MeloxicamMeloxicam15suppressed
OmeprazoleOmeprazole15suppressed
SpironolactoneSpironolactone15suppressed
Escitalopram OxalateEscitalopram Oxalate14suppressed
HumalogInsulin Lispro14suppressed
Ondansetron OdtOndansetron14suppressed
Spiriva RespimatTiotropium Bromide14suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn13suppressed
Midodrine HclMidodrine Hcl13suppressed
NitroglycerinNitroglycerin13suppressed
RisperidoneRisperidone13suppressed
BrilintaTicagrelor12suppressed
AtenololAtenolol11suppressed
CreonLipase/Protease/Amylase11suppressed
Donepezil HclDonepezil Hcl11suppressed
Metformin Hcl ErMetformin Hcl11suppressed
PrednisonePrednisone11suppressed
TopiramateTopiramate11suppressed
ValacyclovirValacyclovir 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