Healthcare provider profile · identity verified

Troy R Witherrite, M.D.

Family Practice · WHITE SALMON, WA · NPI 1073550323

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 Calcium22766
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17529
Amlodipine BesylateAmlodipine Besylate17354
Levothyroxine SodiumLevothyroxine Sodium14341
OmeprazoleOmeprazole13341
LisinoprilLisinopril13235
GabapentinGabapentin11239
Albuterol Sulfate HfaAlbuterol Sulfate10132
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide10031
Losartan PotassiumLosartan Potassium9230
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide9025
Cyclobenzaprine HclCyclobenzaprine Hcl8728
Tamsulosin HclTamsulosin Hcl8228
Metformin HclMetformin Hcl7619
Metoprolol SuccinateMetoprolol Succinate6715
Rosuvastatin CalciumRosuvastatin Calcium5816
LovastatinLovastatin5514
Potassium ChloridePotassium Chloride5316
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl4811
PregabalinPregabalin48suppressed
EliquisApixaban4611
HydrochlorothiazideHydrochlorothiazide4613
SpironolactoneSpironolactone4415
Fluticasone PropionateFluticasone Propionate4319
Trazodone HclTrazodone Hcl42suppressed
AllopurinolAllopurinol4112
Sertraline HclSertraline Hcl4112
Tramadol HclTramadol Hcl4113
Montelukast SodiumMontelukast Sodium40suppressed
FurosemideFurosemide3512
SimvastatinSimvastatin3411
Trelegy ElliptaFluticasone/Umeclidin/Vilanter34suppressed
Advair HfaFluticasone Propion/Salmeterol33suppressed
Ventolin HfaAlbuterol Sulfate33suppressed
Duloxetine HclDuloxetine Hcl3211
Warfarin SodiumWarfarin Sodium32suppressed
Diclofenac SodiumDiclofenac Sodium2913
Buprenorphine HclBuprenorphine Hcl28suppressed
Metoprolol TartrateMetoprolol Tartrate28suppressed
TemazepamTemazepam28suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2713
Quetiapine FumarateQuetiapine Fumarate26suppressed
XareltoRivaroxaban26suppressed
ClopidogrelClopidogrel Bisulfate25suppressed
TrulicityDulaglutide25suppressed
AcyclovirAcyclovir24suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2422
LorazepamLorazepam24suppressed
Sod Sulf-Potass Sulf-Mag SulfSodium, Potassium,mag Sulfates2424
CarvedilolCarvedilol23suppressed
GlipizideGlipizide23suppressed
Tizanidine HclTizanidine Hcl23suppressed
AlprazolamAlprazolam22suppressed
Pantoprazole SodiumPantoprazole Sodium22suppressed
PrednisonePrednisone2213
Doxycycline HyclateDoxycycline Hyclate2111
Escitalopram OxalateEscitalopram Oxalate21suppressed
Fluoxetine HclFluoxetine Hcl21suppressed
MirtazapineMirtazapine21suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine20suppressed
KetoconazoleKetoconazole20suppressed
Ondansetron OdtOndansetron20suppressed
Varenicline TartrateVarenicline Tartrate20suppressed
Alendronate SodiumAlendronate Sodium19suppressed
AtenololAtenolol18suppressed
Metformin Hcl ErMetformin Hcl18suppressed
Glipizide ErGlipizide17suppressed
Amitriptyline HclAmitriptyline Hcl16suppressed
Bupropion XlBupropion Hcl16suppressed
ClonazepamClonazepam16suppressed
FamotidineFamotidine16suppressed
Incruse ElliptaUmeclidinium Bromide16suppressed
Citalopram HbrCitalopram Hydrobromide15suppressed
MupirocinMupirocin1513
OlanzapineOlanzapine15suppressed
TorsemideTorsemide15suppressed
Venlafaxine Hcl ErVenlafaxine Hcl15suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine14suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
Propranolol HclPropranolol Hcl14suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc13suppressed
AzithromycinAzithromycin1313
Isosorbide Mononitrate ErIsosorbide Mononitrate13suppressed
MeloxicamMeloxicam13suppressed
NaproxenNaproxen13suppressed
FentanylFentanyl12suppressed
Humulin N KwikpenInsulin Nph Human Isophane12suppressed
LamotrigineLamotrigine12suppressed
Methadone HclMethadone Hcl12suppressed
Oxycodone HclOxycodone Hcl12suppressed
OzempicSemaglutide12suppressed
Ropinirole HclRopinirole Hcl12suppressed
VascepaIcosapent Ethyl12suppressed
ColchicineColchicine11suppressed
MethocarbamolMethocarbamol11suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters11suppressed
Promethazine HclPromethazine Hcl11suppressed
SynthroidLevothyroxine Sodium11suppressed

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