Healthcare provider profile · identity verified

Tad Wayne Lowder, D.O.

Family Practice · VANCOUVER, WA · NPI 1508086208

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 Calcium525136
LisinoprilLisinopril27370
OmeprazoleOmeprazole25062
Levothyroxine SodiumLevothyroxine Sodium23660
Amlodipine BesylateAmlodipine Besylate16540
Duloxetine HclDuloxetine Hcl15636
Losartan PotassiumLosartan Potassium15143
GabapentinGabapentin13439
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11823
Metformin HclMetformin Hcl11528
Trazodone HclTrazodone Hcl11336
Sertraline HclSertraline Hcl10624
Oxycodone HclOxycodone Hcl9617
EliquisApixaban9516
Tamsulosin HclTamsulosin Hcl9327
Metoprolol SuccinateMetoprolol Succinate9021
Rosuvastatin CalciumRosuvastatin Calcium8822
HydrochlorothiazideHydrochlorothiazide8725
FurosemideFurosemide8221
MeloxicamMeloxicam7317
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen73suppressed
Fluticasone PropionateFluticasone Propionate7119
Pantoprazole SodiumPantoprazole Sodium7118
SimvastatinSimvastatin6719
Metformin Hcl ErMetformin Hcl6620
Potassium ChloridePotassium Chloride6618
Metoprolol TartrateMetoprolol Tartrate6317
Albuterol Sulfate HfaAlbuterol Sulfate6228
AllopurinolAllopurinol6113
GlipizideGlipizide5616
Warfarin SodiumWarfarin Sodium55suppressed
FamotidineFamotidine4713
MirtazapineMirtazapine4711
AlprazolamAlprazolam4616
BaclofenBaclofen46suppressed
ClonazepamClonazepam46suppressed
JardianceEmpagliflozin4611
Pravastatin SodiumPravastatin Sodium4411
SpironolactoneSpironolactone44suppressed
Tizanidine HclTizanidine Hcl4312
LorazepamLorazepam4213
Tramadol HclTramadol Hcl4114
OzempicSemaglutide38suppressed
Amitriptyline HclAmitriptyline Hcl37suppressed
CarvedilolCarvedilol36suppressed
PregabalinPregabalin36suppressed
ClopidogrelClopidogrel Bisulfate34suppressed
Fluoxetine HclFluoxetine Hcl34suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3419
Alendronate SodiumAlendronate Sodium33suppressed
Diclofenac SodiumDiclofenac Sodium3213
Quetiapine FumarateQuetiapine Fumarate3211
Bupropion XlBupropion Hcl30suppressed
CarisoprodolCarisoprodol30suppressed
Ipratropium BromideIpratropium Bromide30suppressed
Montelukast SodiumMontelukast Sodium30suppressed
RisperidoneRisperidone30suppressed
KetoconazoleKetoconazole2814
LovastatinLovastatin28suppressed
NaproxenNaproxen28suppressed
Trihexyphenidyl HclTrihexyphenidyl Hcl28suppressed
Buspirone HclBuspirone Hcl27suppressed
Escitalopram OxalateEscitalopram Oxalate27suppressed
XareltoRivaroxaban27suppressed
JanuviaSitagliptin Phosphate26suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide26suppressed
Memantine HclMemantine Hcl26suppressed
DutasterideDutasteride25suppressed
Zolpidem TartrateZolpidem Tartrate25suppressed
AtenololAtenolol24suppressed
FinasterideFinasteride23suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide23suppressed
Venlafaxine Hcl ErVenlafaxine Hcl23suppressed
Donepezil HclDonepezil Hcl22suppressed
EzetimibeEzetimibe22suppressed
Ropinirole HclRopinirole Hcl22suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril21suppressed
Methadone HclMethadone Hcl21suppressed
RizatriptanRizatriptan Benzoate21suppressed
NystatinNystatin2012
Ondansetron OdtOndansetron20suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl19suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog19suppressed
LantusInsulin Glargine,hum.Rec.Anlog18suppressed
ValsartanValsartan18suppressed
LidocaineLidocaine17suppressed
OlanzapineOlanzapine17suppressed
Paroxetine HclParoxetine Hcl17suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads16suppressed
LamotrigineLamotrigine16suppressed
LoperamideLoperamide Hcl16suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl16suppressed
Sumatriptan SuccinateSumatriptan Succinate16suppressed
CelecoxibCelecoxib15suppressed
LevetiracetamLevetiracetam15suppressed
Ondansetron HclOndansetron Hcl15suppressed
SynthroidLevothyroxine Sodium15suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine14suppressed
YuvafemEstradiol14suppressed
CephalexinCephalexin13suppressed
DiazepamDiazepam13suppressed
TopiramateTopiramate13suppressed
Benazepril HclBenazepril Hcl12suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium12suppressed
Folic AcidFolic Acid12suppressed
Glipizide ErGlipizide12suppressed
Hydroxyzine HclHydroxyzine Hcl12suppressed
NuedextaDextromethorphan Hbr/Quinidine12suppressed
Olmesartan MedoxomilOlmesartan Medoxomil12suppressed
PaxlovidNirmatrelvir/Ritonavir1212
Promethazine HclPromethazine Hcl12suppressed
TemazepamTemazepam12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
AmantadineAmantadine Hcl11suppressed
AmoxicillinAmoxicillin11suppressed
Citalopram HbrCitalopram Hydrobromide11suppressed
FenofibrateFenofibrate11suppressed
Nifedipine ErNifedipine11suppressed
OxycontinOxycodone Hcl11suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter11suppressed

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