Healthcare provider profile · identity verified

Melissa Hayden, M.D.

Internal Medicine · PORTLAND, OR · NPI 1295025518

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 Calcium447140
Levothyroxine SodiumLevothyroxine Sodium402110
Amlodipine BesylateAmlodipine Besylate31193
Losartan PotassiumLosartan Potassium28288
LisinoprilLisinopril27984
Albuterol Sulfate HfaAlbuterol Sulfate21371
Trazodone HclTrazodone Hcl21362
Rosuvastatin CalciumRosuvastatin Calcium20262
Oxycodone HclOxycodone Hcl19739
GabapentinGabapentin18654
Metformin HclMetformin Hcl17052
AtenololAtenolol16646
SimvastatinSimvastatin15340
Fluoxetine HclFluoxetine Hcl14034
Alendronate SodiumAlendronate Sodium13446
Pantoprazole SodiumPantoprazole Sodium13453
Potassium ChloridePotassium Chloride12848
Metoprolol SuccinateMetoprolol Succinate12443
PradaxaDabigatran Etexilate Mesylate12241
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11635
MirtazapineMirtazapine10922
Sertraline HclSertraline Hcl10831
Metoprolol TartrateMetoprolol Tartrate10436
Duloxetine HclDuloxetine Hcl9824
OzempicSemaglutide9811
Bupropion XlBupropion Hcl9329
OmeprazoleOmeprazole9033
GlipizideGlipizide8527
Tamsulosin HclTamsulosin Hcl8331
Metformin Hcl ErMetformin Hcl8232
SpironolactoneSpironolactone7828
Pravastatin SodiumPravastatin Sodium7623
FurosemideFurosemide6933
EstradiolEstradiol6830
Warfarin SodiumWarfarin Sodium6817
ClopidogrelClopidogrel Bisulfate6719
Ondansetron OdtOndansetron6617
Buspirone HclBuspirone Hcl6518
CarvedilolCarvedilol6521
PrednisonePrednisone6529
Tramadol HclTramadol Hcl6519
Wixela InhubFluticasone Propion/Salmeterol6522
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6322
Spiriva RespimatTiotropium Bromide6219
LorazepamLorazepam5920
Citalopram HbrCitalopram Hydrobromide5717
AlvescoCiclesonide5624
Escitalopram OxalateEscitalopram Oxalate5514
HydrochlorothiazideHydrochlorothiazide5521
FamotidineFamotidine5413
Fluticasone PropionateFluticasone Propionate5221
Venlafaxine Hcl ErVenlafaxine Hcl4812
AllopurinolAllopurinol4613
Donepezil HclDonepezil Hcl4613
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4615
LovastatinLovastatin4513
Doxycycline MonohydrateDoxycycline Monohydrate4429
Humulin NInsulin Nph Human Isophane4313
JardianceEmpagliflozin4213
MeloxicamMeloxicam3919
Montelukast SodiumMontelukast Sodium3711
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid37suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl3613
Bupropion Hcl SrBupropion Hcl34suppressed
Sure Comfort Pen NeedlePen Needle, Diabetic3311
Propranolol HclPropranolol Hcl3111
Sumatriptan SuccinateSumatriptan Succinate30suppressed
Quetiapine FumarateQuetiapine Fumarate29suppressed
Doxepin HclDoxepin Hcl28suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2811
EliquisApixaban27suppressed
BaclofenBaclofen26suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl26suppressed
ValacyclovirValacyclovir Hcl26suppressed
Terazosin HclTerazosin Hcl25suppressed
HydrocortisoneHydrocortisone2415
Insulin Glargine-YfgnInsulin Glargine-Yfgn24suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2422
Pioglitazone HclPioglitazone Hcl24suppressed
Victoza 3-PakLiraglutide24suppressed
Veo Insulin SyringeSyringe And Needle,insulin,1ml23suppressed
LiraglutideLiraglutide22suppressed
CephalexinCephalexin2113
ClonazepamClonazepam21suppressed
Humulin RInsulin Regular, Human20suppressed
Trospium ChlorideTrospium Chloride20suppressed
AcyclovirAcyclovir19suppressed
MethocarbamolMethocarbamol19suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic18suppressed
Clonidine HclClonidine Hcl17suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine17suppressed
FinasterideFinasteride17suppressed
Methylphenidate HclMethylphenidate Hcl17suppressed
Oxybutynin Chloride ErOxybutynin Chloride17suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen17suppressed
Dicyclomine HclDicyclomine Hcl16suppressed
FenofibrateFenofibrate16suppressed
Hydralazine HclHydralazine Hcl16suppressed
NitroglycerinNitroglycerin1611
TorsemideTorsemide16suppressed
Zolpidem TartrateZolpidem Tartrate16suppressed
AlprazolamAlprazolam15suppressed
Morphine Sulfate ErMorphine Sulfate15suppressed
NystatinNystatin15suppressed
SucralfateSucralfate15suppressed
CreonLipase/Protease/Amylase14suppressed
MetronidazoleMetronidazole14suppressed
Morphine SulfateMorphine Sulfate14suppressed
PregabalinPregabalin14suppressed
Victoza 2-PakLiraglutide1412
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1313
CarbamazepineCarbamazepine13suppressed
MounjaroTirzepatide13suppressed
Acetaminophen-CodeineAcetaminophen With Codeine12suppressed
CelecoxibCelecoxib12suppressed
ChlorthalidoneChlorthalidone12suppressed
FluoridexFluoride (Sodium)12suppressed
Ipratropium BromideIpratropium Bromide12suppressed
Methylphenidate ErMethylphenidate Hcl12suppressed
Quetiapine Fumarate ErQuetiapine Fumarate12suppressed
TopiramateTopiramate12suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1111
Atomoxetine HclAtomoxetine Hcl11suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate1111
LansoprazoleLansoprazole11suppressed
Memantine HclMemantine Hcl11suppressed
Nifedipine ErNifedipine11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed

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