Healthcare provider profile · identity verified

Daniel H Norfleet, M.D.

Internal Medicine · PORTLAND, OR · NPI 1871889741

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 Calcium514148
Amlodipine BesylateAmlodipine Besylate21563
Metformin Hcl ErMetformin Hcl15751
Oxycodone HclOxycodone Hcl15635
GabapentinGabapentin13743
LisinoprilLisinopril13141
Losartan PotassiumLosartan Potassium12750
OmeprazoleOmeprazole12643
Metoprolol SuccinateMetoprolol Succinate11436
Levothyroxine SodiumLevothyroxine Sodium10132
Trazodone HclTrazodone Hcl10027
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen9430
Rosuvastatin CalciumRosuvastatin Calcium8526
Alendronate SodiumAlendronate Sodium7327
HydrochlorothiazideHydrochlorothiazide6920
GlimepirideGlimepiride6719
FurosemideFurosemide6618
Duloxetine HclDuloxetine Hcl6520
Metoprolol TartrateMetoprolol Tartrate5811
Tamsulosin HclTamsulosin Hcl5822
Hydroxyzine HclHydroxyzine Hcl5513
Montelukast SodiumMontelukast Sodium5516
Tizanidine HclTizanidine Hcl5431
OzempicSemaglutide5016
Albuterol Sulfate HfaAlbuterol Sulfate4728
Potassium ChloridePotassium Chloride47suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4615
JardianceEmpagliflozin4514
Olmesartan MedoxomilOlmesartan Medoxomil4516
Escitalopram OxalateEscitalopram Oxalate4111
AtenololAtenolol4013
Fluticasone PropionateFluticasone Propionate4024
Citalopram HbrCitalopram Hydrobromide34suppressed
Metformin HclMetformin Hcl3413
Nortriptyline HclNortriptyline Hcl34suppressed
Bupropion XlBupropion Hcl32suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3112
EliquisApixaban31suppressed
Glipizide ErGlipizide31suppressed
TrulicityDulaglutide31suppressed
BaclofenBaclofen30suppressed
Memantine HclMemantine Hcl28suppressed
Ondansetron OdtOndansetron2819
PregabalinPregabalin28suppressed
Buspirone HclBuspirone Hcl2713
Fluticasone-SalmeterolFluticasone Propion/Salmeterol2712
Quetiapine FumarateQuetiapine Fumarate27suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide26suppressed
MirtazapineMirtazapine26suppressed
Pantoprazole SodiumPantoprazole Sodium2611
Warfarin SodiumWarfarin Sodium26suppressed
AllopurinolAllopurinol25suppressed
ClopidogrelClopidogrel Bisulfate24suppressed
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl23suppressed
SpironolactoneSpironolactone2311
Triamcinolone AcetonideTriamcinolone Acetonide2313
CelecoxibCelecoxib22suppressed
EstradiolEstradiol22suppressed
RizatriptanRizatriptan Benzoate22suppressed
SimvastatinSimvastatin20suppressed
Sumatriptan SuccinateSumatriptan Succinate20suppressed
Acetaminophen-CodeineAcetaminophen With Codeine19suppressed
Tramadol HclTramadol Hcl1911
Zolpidem TartrateZolpidem Tartrate19suppressed
Pravastatin SodiumPravastatin Sodium18suppressed
Wixela InhubFluticasone Propion/Salmeterol18suppressed
Meclizine HclMeclizine Hcl17suppressed
MeloxicamMeloxicam17suppressed
XareltoRivaroxaban17suppressed
Fluticasone Propionate HfaFluticasone Propionate16suppressed
LorazepamLorazepam16suppressed
Paroxetine HclParoxetine Hcl16suppressed
Pioglitazone HclPioglitazone Hcl16suppressed
SynthroidLevothyroxine Sodium16suppressed
AcyclovirAcyclovir15suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog15suppressed
AlprazolamAlprazolam14suppressed
ColchicineColchicine14suppressed
LantusInsulin Glargine,hum.Rec.Anlog14suppressed
Sertraline HclSertraline Hcl14suppressed
ValacyclovirValacyclovir Hcl14suppressed
AzithromycinAzithromycin1312
Donepezil HclDonepezil Hcl13suppressed
FinasterideFinasteride13suppressed
Fluoxetine HclFluoxetine Hcl13suppressed
NaproxenNaproxen13suppressed
PrednisonePrednisone1312
Sildenafil CitrateSildenafil Citrate13suppressed
Azelastine HclAzelastine Hcl12suppressed
ClonazepamClonazepam12suppressed
EzetimibeEzetimibe12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
Ondansetron HclOndansetron Hcl12suppressed
Paliperidone ErPaliperidone12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
Ventolin HfaAlbuterol Sulfate12suppressed
Bupropion Hcl SrBupropion Hcl11suppressed
Clobetasol PropionateClobetasol Propionate11suppressed
Combivent RespimatIpratropium/Albuterol Sulfate11suppressed
GlipizideGlipizide11suppressed
Hydromorphone HclHydromorphone Hcl11suppressed
JanuviaSitagliptin Phosphate11suppressed
MethocarbamolMethocarbamol11suppressed
Propranolol HclPropranolol Hcl11suppressed
TopiramateTopiramate11suppressed

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