Healthcare provider profile · identity verified

Thomas Strobel, MD

Internal Medicine · CLARKSTON, WA · NPI 1578581740

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
EliquisApixaban32942
Levothyroxine SodiumLevothyroxine Sodium32741
FurosemideFurosemide32045
Potassium ChloridePotassium Chloride25841
GabapentinGabapentin25242
Atorvastatin CalciumAtorvastatin Calcium24048
Losartan PotassiumLosartan Potassium19630
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen19535
Tamsulosin HclTamsulosin Hcl17232
Amlodipine BesylateAmlodipine Besylate17128
Metformin HclMetformin Hcl16326
Metoprolol SuccinateMetoprolol Succinate15823
Duloxetine HclDuloxetine Hcl14426
LisinoprilLisinopril12529
JardianceEmpagliflozin11113
SpironolactoneSpironolactone11024
FamotidineFamotidine10424
OzempicSemaglutide10018
Escitalopram OxalateEscitalopram Oxalate9412
LevetiracetamLevetiracetam9412
Oxycodone HclOxycodone Hcl9419
ClopidogrelClopidogrel Bisulfate93suppressed
Metformin Hcl ErMetformin Hcl9120
Quetiapine FumarateQuetiapine Fumarate8913
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog7915
BaclofenBaclofen7815
Pantoprazole SodiumPantoprazole Sodium7324
Doxepin HclDoxepin Hcl7013
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate6812
MyrbetriqMirabegron67suppressed
Sertraline HclSertraline Hcl6712
OmeprazoleOmeprazole6415
Rosuvastatin CalciumRosuvastatin Calcium60suppressed
JanuviaSitagliptin Phosphate59suppressed
PregabalinPregabalin5914
Memantine HclMemantine Hcl58suppressed
Ondansetron OdtOndansetron5816
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5618
Tramadol HclTramadol Hcl5613
GlipizideGlipizide55suppressed
TorsemideTorsemide55suppressed
CarvedilolCarvedilol5312
Trazodone HclTrazodone Hcl5215
Venlafaxine Hcl ErVenlafaxine Hcl49suppressed
Ropinirole HclRopinirole Hcl48suppressed
Citalopram HbrCitalopram Hydrobromide47suppressed
Oxybutynin Chloride ErOxybutynin Chloride4712
FinasterideFinasteride41suppressed
Fluoxetine HclFluoxetine Hcl41suppressed
Buspirone HclBuspirone Hcl40suppressed
Doxycycline HyclateDoxycycline Hyclate3817
DigoxinDigoxin35suppressed
Hydroxyzine HclHydroxyzine Hcl3512
MirtazapineMirtazapine35suppressed
OlanzapineOlanzapine34suppressed
HydrochlorothiazideHydrochlorothiazide33suppressed
Morphine Sulfate ErMorphine Sulfate33suppressed
SimvastatinSimvastatin33suppressed
Donepezil HclDonepezil Hcl30suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2911
Pramipexole DihydrochloridePramipexole Di-Hcl29suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2824
Insulin Glargine-YfgnInsulin Glargine-Yfgn2812
Prazosin HclPrazosin Hcl28suppressed
Tolterodine TartrateTolterodine Tartrate28suppressed
AllopurinolAllopurinol27suppressed
Breo ElliptaFluticasone/Vilanterol27suppressed
Bupropion XlBupropion Hcl27suppressed
Clonidine HclClonidine Hcl27suppressed
LatanoprostLatanoprost27suppressed
XareltoRivaroxaban27suppressed
LamotrigineLamotrigine26suppressed
Divalproex SodiumDivalproex Sodium25suppressed
FarxigaDapagliflozin Propanediol25suppressed
FentanylFentanyl25suppressed
LorazepamLorazepam25suppressed
PrednisonePrednisone25suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2518
Alendronate SodiumAlendronate Sodium24suppressed
MeloxicamMeloxicam24suppressed
ValacyclovirValacyclovir Hcl24suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro2211
LantusInsulin Glargine,hum.Rec.Anlog22suppressed
Novolog FlexpenInsulin Aspart22suppressed
Ondansetron HclOndansetron Hcl2216
Oseltamivir PhosphateOseltamivir Phosphate2222
Diltiazem HclDiltiazem Hcl21suppressed
ChlorthalidoneChlorthalidone20suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol20suppressed
Lidocaine Hcl ViscousLidocaine Hcl20suppressed
Morphine SulfateMorphine Sulfate20suppressed
EntrestoSacubitril/Valsartan19suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)19suppressed
Incruse ElliptaUmeclidinium Bromide19suppressed
Tolterodine Tartrate ErTolterodine Tartrate19suppressed
TopiramateTopiramate19suppressed
Admelog SolostarInsulin Lispro18suppressed
Quetiapine Fumarate ErQuetiapine Fumarate18suppressed
TradjentaLinagliptin18suppressed
Hydroxyzine PamoateHydroxyzine Pamoate17suppressed
NystatinNystatin17suppressed
TrulicityDulaglutide17suppressed
Fluticasone PropionateFluticasone Propionate16suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate16suppressed
RisperidoneRisperidone16suppressed
Varenicline TartrateVarenicline Tartrate16suppressed
Advair DiskusFluticasone Propion/Salmeterol15suppressed
ClonazepamClonazepam15suppressed
FluconazoleFluconazole15suppressed
Humalog Kwikpen U-100Insulin Lispro15suppressed
LansoprazoleLansoprazole15suppressed
MupirocinMupirocin15suppressed
Pravastatin SodiumPravastatin Sodium15suppressed
Tizanidine HclTizanidine Hcl15suppressed
AtenololAtenolol14suppressed
MethocarbamolMethocarbamol14suppressed
Neomycin-Polymyxin-DexamethNeomycin/Polymyxin B/Dexametha14suppressed
NitrofurantoinNitrofurantoin Macrocrystal14suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc13suppressed
CefuroximeCefuroxime Axetil13suppressed
CreonLipase/Protease/Amylase13suppressed
Lithium CarbonateLithium Carbonate13suppressed
Sodium Chloride0.9 % Sodium Chloride13suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter13suppressed
Triamcinolone AcetonideTriamcinolone Acetonide13suppressed
CelecoxibCelecoxib12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
DutasterideDutasteride12suppressed
Montelukast SodiumMontelukast Sodium12suppressed
NadololNadolol12suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst12suppressed
Oxybutynin ChlorideOxybutynin Chloride12suppressed
OxycontinOxycodone Hcl12suppressed
ZenpepLipase/Protease/Amylase12suppressed
AlprazolamAlprazolam11suppressed
Arformoterol TartrateArformoterol Tartrate11suppressed
AripiprazoleAripiprazole11suppressed
CefdinirCefdinir11suppressed
Insulin Aspart FlexpenInsulin Aspart11suppressed
KlayestaNystatin11suppressed
LactuloseLactulose11suppressed
MetronidazoleMetronidazole11suppressed
Valproic AcidValproic Acid11suppressed
Ziprasidone HclZiprasidone Hcl11suppressed

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