Healthcare provider profile · identity verified

Daniel P Barrett, M.D.

Family Practice · CORVALLIS, OR · NPI 1386694776

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 Calcium38198
LisinoprilLisinopril33684
Levothyroxine SodiumLevothyroxine Sodium25158
Amlodipine BesylateAmlodipine Besylate19648
Metoprolol SuccinateMetoprolol Succinate17943
Tamsulosin HclTamsulosin Hcl17744
Metformin HclMetformin Hcl12331
GabapentinGabapentin11839
Metformin Hcl ErMetformin Hcl11430
Losartan PotassiumLosartan Potassium11229
OmeprazoleOmeprazole10832
OzempicSemaglutide9514
Sertraline HclSertraline Hcl9120
FinasterideFinasteride8522
AllopurinolAllopurinol8018
EliquisApixaban8015
HydrochlorothiazideHydrochlorothiazide7818
Rosuvastatin CalciumRosuvastatin Calcium7321
Escitalopram OxalateEscitalopram Oxalate6416
SimvastatinSimvastatin6114
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5413
Duloxetine HclDuloxetine Hcl5212
Pantoprazole SodiumPantoprazole Sodium5114
Potassium ChloridePotassium Chloride5117
Fluticasone PropionateFluticasone Propionate4921
PrednisonePrednisone4929
Quetiapine FumarateQuetiapine Fumarate4611
Citalopram HbrCitalopram Hydrobromide4411
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4412
CarvedilolCarvedilol4312
GlipizideGlipizide43suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter43suppressed
Tramadol HclTramadol Hcl4212
Trazodone HclTrazodone Hcl4214
JardianceEmpagliflozin37suppressed
AtenololAtenolol35suppressed
MirtazapineMirtazapine34suppressed
Propranolol HclPropranolol Hcl33suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3220
Donepezil HclDonepezil Hcl32suppressed
Fluoxetine HclFluoxetine Hcl32suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid32suppressed
AlprazolamAlprazolam31suppressed
ClopidogrelClopidogrel Bisulfate2911
FurosemideFurosemide2912
LorazepamLorazepam2915
Bupropion XlBupropion Hcl28suppressed
FamotidineFamotidine27suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide27suppressed
Amitriptyline HclAmitriptyline Hcl25suppressed
Buspirone HclBuspirone Hcl24suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol24suppressed
Olmesartan MedoxomilOlmesartan Medoxomil24suppressed
Pravastatin SodiumPravastatin Sodium24suppressed
SymbicortBudesonide/Formoterol Fumarate24suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2416
EstradiolEstradiol23suppressed
LovastatinLovastatin23suppressed
Zolpidem TartrateZolpidem Tartrate23suppressed
CelecoxibCelecoxib22suppressed
IrbesartanIrbesartan22suppressed
MounjaroTirzepatide22suppressed
SynthroidLevothyroxine Sodium22suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl21suppressed
Sumatriptan SuccinateSumatriptan Succinate21suppressed
Warfarin SodiumWarfarin Sodium21suppressed
Montelukast SodiumMontelukast Sodium19suppressed
Alfuzosin Hcl ErAlfuzosin Hcl18suppressed
Felodipine ErFelodipine18suppressed
EzetimibeEzetimibe17suppressed
LansoprazoleLansoprazole16suppressed
TemazepamTemazepam16suppressed
Verapamil ErVerapamil Hcl16suppressed
Carbidopa-LevodopaCarbidopa/Levodopa15suppressed
AcyclovirAcyclovir14suppressed
KetoconazoleKetoconazole14suppressed
LamotrigineLamotrigine14suppressed
RisperidoneRisperidone14suppressed
Testosterone CypionateTestosterone Cypionate14suppressed
AzithromycinAzithromycin13suppressed
ChlorthalidoneChlorthalidone13suppressed
Solifenacin SuccinateSolifenacin Succinate13suppressed
TopiramateTopiramate13suppressed
XareltoRivaroxaban13suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr12suppressed
AripiprazoleAripiprazole12suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate12suppressed
Meclizine HclMeclizine Hcl12suppressed
NitroglycerinNitroglycerin12suppressed
Oxybutynin ChlorideOxybutynin Chloride12suppressed
SpironolactoneSpironolactone12suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim12suppressed
ValacyclovirValacyclovir Hcl12suppressed
Alendronate SodiumAlendronate Sodium11suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate11suppressed
ColchicineColchicine11suppressed
DutasterideDutasteride11suppressed
GemfibrozilGemfibrozil11suppressed
Ipratropium BromideIpratropium Bromide11suppressed
MeloxicamMeloxicam11suppressed
Pioglitazone HclPioglitazone Hcl11suppressed
Spiriva HandihalerTiotropium Bromide11suppressed
Tudorza PressairAclidinium Bromide11suppressed
Verapamil HclVerapamil 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