Healthcare provider profile · identity verified

Debra Kaye Davis, M.D.

Family Practice · TUALATIN, OR · NPI 1811081300

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 Calcium411137
Rosuvastatin CalciumRosuvastatin Calcium24488
Losartan PotassiumLosartan Potassium23381
Levothyroxine SodiumLevothyroxine Sodium21968
LisinoprilLisinopril18869
Amlodipine BesylateAmlodipine Besylate17257
GabapentinGabapentin12544
SimvastatinSimvastatin10639
Trazodone HclTrazodone Hcl10434
Metoprolol TartrateMetoprolol Tartrate9628
Metformin HclMetformin Hcl8935
AtenololAtenolol8826
Alendronate SodiumAlendronate Sodium8732
Potassium ChloridePotassium Chloride8534
PradaxaDabigatran Etexilate Mesylate7327
Albuterol Sulfate HfaAlbuterol Sulfate6924
YuvafemEstradiol6918
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen6619
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6325
HydrochlorothiazideHydrochlorothiazide5722
Donepezil HclDonepezil Hcl5314
Sertraline HclSertraline Hcl5221
GlipizideGlipizide4720
Metformin Hcl ErMetformin Hcl4719
Tamsulosin HclTamsulosin Hcl4616
Terazosin HclTerazosin Hcl4617
Duloxetine HclDuloxetine Hcl4414
SpironolactoneSpironolactone4416
Fluoxetine HclFluoxetine Hcl4316
Metoprolol SuccinateMetoprolol Succinate4215
MirtazapineMirtazapine40suppressed
OmeprazoleOmeprazole3911
AllopurinolAllopurinol3814
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3714
Citalopram HbrCitalopram Hydrobromide3412
AlvescoCiclesonide3313
Bupropion XlBupropion Hcl33suppressed
FurosemideFurosemide3317
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3311
CarvedilolCarvedilol3212
Pravastatin SodiumPravastatin Sodium32suppressed
EzetimibeEzetimibe3011
Memantine HclMemantine Hcl30suppressed
Pantoprazole SodiumPantoprazole Sodium3016
ClopidogrelClopidogrel Bisulfate2711
Diltiazem 24hr Er (Cd)Diltiazem Hcl27suppressed
MeloxicamMeloxicam2713
EstradiolEstradiol2514
ValacyclovirValacyclovir Hcl2511
JardianceEmpagliflozin24suppressed
Spiriva RespimatTiotropium Bromide24suppressed
Escitalopram OxalateEscitalopram Oxalate23suppressed
FamotidineFamotidine22suppressed
Oxybutynin ChlorideOxybutynin Chloride22suppressed
Venlafaxine Hcl ErVenlafaxine Hcl21suppressed
Warfarin SodiumWarfarin Sodium21suppressed
Triamcinolone AcetonideTriamcinolone Acetonide20suppressed
Bupropion Hcl SrBupropion Hcl18suppressed
Montelukast SodiumMontelukast Sodium18suppressed
Oxycodone HclOxycodone Hcl18suppressed
OzempicSemaglutide18suppressed
Propranolol HclPropranolol Hcl18suppressed
Veo Insulin SyringeSyringe And Needle,insulin,1ml18suppressed
TenivacTetanus-Diphtheria Toxoids/Pf1717
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml17suppressed
MetronidazoleMetronidazole16suppressed
AcyclovirAcyclovir13suppressed
NaproxenNaproxen13suppressed
ColchicineColchicine12suppressed
EliquisApixaban12suppressed
FinasterideFinasteride12suppressed
Fluticasone PropionateFluticasone Propionate12suppressed
Methylphenidate HclMethylphenidate Hcl12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
Buspirone HclBuspirone Hcl11suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
Doxycycline MonohydrateDoxycycline Monohydrate11suppressed
NitroglycerinNitroglycerin11suppressed
Trospium ChlorideTrospium Chloride11suppressed

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