Healthcare provider profile · identity verified

Robert P Hayes, M.D.

Internal Medicine · PORTLAND, OR · NPI 1225104300

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 Calcium279102
Rosuvastatin CalciumRosuvastatin Calcium26190
LisinoprilLisinopril19261
Losartan PotassiumLosartan Potassium18057
HydrochlorothiazideHydrochlorothiazide16151
Amlodipine BesylateAmlodipine Besylate15646
Levothyroxine SodiumLevothyroxine Sodium12733
Tamsulosin HclTamsulosin Hcl11237
OmeprazoleOmeprazole10233
AllopurinolAllopurinol10028
Zolpidem TartrateZolpidem Tartrate7826
Metformin HclMetformin Hcl7022
Citalopram HbrCitalopram Hydrobromide6623
FinasterideFinasteride6422
IrbesartanIrbesartan6322
SimvastatinSimvastatin6220
EliquisApixaban5815
Metoprolol SuccinateMetoprolol Succinate5517
Potassium ChloridePotassium Chloride5423
SynthroidLevothyroxine Sodium5316
Duloxetine HclDuloxetine Hcl5018
GabapentinGabapentin4913
Pantoprazole SodiumPantoprazole Sodium4614
AlprazolamAlprazolam4420
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen44suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid4419
EzetimibeEzetimibe4314
SpironolactoneSpironolactone3911
CelecoxibCelecoxib3815
Oxycodone HclOxycodone Hcl38suppressed
MounjaroTirzepatide36suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3517
GlipizideGlipizide3311
AtenololAtenolol3213
Sertraline HclSertraline Hcl32suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen29suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide2914
PrednisonePrednisone2916
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2920
Trazodone HclTrazodone Hcl2711
FurosemideFurosemide25suppressed
XareltoRivaroxaban25suppressed
LorazepamLorazepam24suppressed
OzempicSemaglutide24suppressed
Tramadol HclTramadol Hcl23suppressed
Escitalopram OxalateEscitalopram Oxalate22suppressed
DiazepamDiazepam21suppressed
Pioglitazone HclPioglitazone Hcl21suppressed
Advair HfaFluticasone Propion/Salmeterol20suppressed
MirtazapineMirtazapine20suppressed
Quetiapine FumarateQuetiapine Fumarate20suppressed
Warfarin SodiumWarfarin Sodium20suppressed
MyrbetriqMirabegron19suppressed
Bupropion Hcl SrBupropion Hcl18suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl18suppressed
Metformin Hcl ErMetformin Hcl18suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1811
Montelukast SodiumMontelukast Sodium17suppressed
CephalexinCephalexin15suppressed
Glipizide ErGlipizide15suppressed
RisperidoneRisperidone15suppressed
ClonazepamClonazepam14suppressed
Ipratropium BromideIpratropium Bromide14suppressed
TadalafilTadalafil14suppressed
ValacyclovirValacyclovir Hcl14suppressed
Alendronate SodiumAlendronate Sodium13suppressed
AmoxicillinAmoxicillin1312
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine13suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
JardianceEmpagliflozin13suppressed
ClopidogrelClopidogrel Bisulfate12suppressed
Diltiazem 24hr ErDiltiazem Hcl12suppressed
Humulin NInsulin Nph Human Isophane12suppressed
NystatinNystatin12suppressed
OxycontinOxycodone Hcl12suppressed
RizatriptanRizatriptan Benzoate12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav11suppressed
Donepezil HclDonepezil Hcl11suppressed
Fluticasone PropionateFluticasone Propionate11suppressed
GemfibrozilGemfibrozil11suppressed
Humulin RInsulin Regular, Human11suppressed
Metoprolol TartrateMetoprolol Tartrate11suppressed
Venlafaxine Hcl ErVenlafaxine 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