Healthcare provider profile · identity verified

David L Hays, MD

Family Practice · PORTLAND, OR · NPI 1396765087

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 Calcium344102
Levothyroxine SodiumLevothyroxine Sodium15440
Amlodipine BesylateAmlodipine Besylate14143
LisinoprilLisinopril13142
Tamsulosin HclTamsulosin Hcl8629
GabapentinGabapentin8230
EliquisApixaban6617
OmeprazoleOmeprazole6620
Rosuvastatin CalciumRosuvastatin Calcium6221
Metformin Hcl ErMetformin Hcl5716
Metoprolol SuccinateMetoprolol Succinate5720
MirtazapineMirtazapine5313
Pantoprazole SodiumPantoprazole Sodium5213
Alendronate SodiumAlendronate Sodium5017
Escitalopram OxalateEscitalopram Oxalate4912
Duloxetine HclDuloxetine Hcl4614
Losartan PotassiumLosartan Potassium4616
Sertraline HclSertraline Hcl4413
FinasterideFinasteride4012
Metformin HclMetformin Hcl4015
JardianceEmpagliflozin38suppressed
Trazodone HclTrazodone Hcl3811
Buprenorphine HclBuprenorphine Hcl34suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3411
Albuterol Sulfate HfaAlbuterol Sulfate3318
ClopidogrelClopidogrel Bisulfate31suppressed
Warfarin SodiumWarfarin Sodium31suppressed
Bupropion XlBupropion Hcl30suppressed
SimvastatinSimvastatin30suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2915
AllopurinolAllopurinol27suppressed
Fluticasone PropionateFluticasone Propionate27suppressed
Venlafaxine Hcl ErVenlafaxine Hcl27suppressed
Amlodipine-OlmesartanAmlodipine Bes/Olmesartan Med26suppressed
Pravastatin SodiumPravastatin Sodium26suppressed
Tramadol HclTramadol Hcl26suppressed
HydrochlorothiazideHydrochlorothiazide25suppressed
Quetiapine FumarateQuetiapine Fumarate25suppressed
Citalopram HbrCitalopram Hydrobromide24suppressed
OzempicSemaglutide23suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl22suppressed
IrbesartanIrbesartan21suppressed
ClonazepamClonazepam20suppressed
Doxepin HclDoxepin Hcl2012
CarvedilolCarvedilol19suppressed
Olmesartan MedoxomilOlmesartan Medoxomil1911
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate18suppressed
ChlorthalidoneChlorthalidone17suppressed
FurosemideFurosemide17suppressed
Montelukast SodiumMontelukast Sodium17suppressed
Oxycodone HclOxycodone Hcl17suppressed
Ipratropium BromideIpratropium Bromide16suppressed
LevetiracetamLevetiracetam16suppressed
Memantine HclMemantine Hcl16suppressed
EstradiolEstradiol15suppressed
EzetimibeEzetimibe15suppressed
Fluoxetine HclFluoxetine Hcl15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
SpironolactoneSpironolactone15suppressed
Buspirone HclBuspirone Hcl14suppressed
Hydromorphone HclHydromorphone Hcl14suppressed
LamotrigineLamotrigine14suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen14suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl13suppressed
FamotidineFamotidine13suppressed
Trospium ChlorideTrospium Chloride13suppressed
ValacyclovirValacyclovir Hcl13suppressed
Zolpidem TartrateZolpidem Tartrate13suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa12suppressed
DesloratadineDesloratadine12suppressed
Hydroxyzine HclHydroxyzine Hcl12suppressed
Metoprolol TartrateMetoprolol Tartrate12suppressed
PregabalinPregabalin12suppressed
RivastigmineRivastigmine Tartrate12suppressed
TelmisartanTelmisartan12suppressed
XifaxanRifaximin12suppressed
LantusInsulin Glargine,hum.Rec.Anlog11suppressed
Lithium Carbonate ErLithium Carbonate11suppressed
MethocarbamolMethocarbamol11suppressed
Potassium ChloridePotassium Chloride11suppressed
Propranolol HclPropranolol Hcl11suppressed
Telmisartan-AmlodipineTelmisartan/Amlodipine11suppressed
Tresiba Flextouch U-200Insulin Degludec11suppressed
TrulicityDulaglutide11suppressed

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