Healthcare provider profile · identity verified

John R Sashko, MD

Family Practice · LAKEWOOD, WA · NPI 1669483947

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 Calcium684214
Amlodipine BesylateAmlodipine Besylate529156
LisinoprilLisinopril30297
Metoprolol SuccinateMetoprolol Succinate27980
Losartan PotassiumLosartan Potassium23971
Levothyroxine SodiumLevothyroxine Sodium20862
GabapentinGabapentin19161
OmeprazoleOmeprazole18249
HydrochlorothiazideHydrochlorothiazide15453
Albuterol Sulfate HfaAlbuterol Sulfate14946
Metformin HclMetformin Hcl13645
Trazodone HclTrazodone Hcl13441
Pantoprazole SodiumPantoprazole Sodium12639
Rosuvastatin CalciumRosuvastatin Calcium11032
Glipizide ErGlipizide10431
Tamsulosin HclTamsulosin Hcl9833
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen9217
Fluoxetine HclFluoxetine Hcl8625
Cyclobenzaprine HclCyclobenzaprine Hcl8426
FurosemideFurosemide8024
Alendronate SodiumAlendronate Sodium7924
SimvastatinSimvastatin7623
AllopurinolAllopurinol7518
FamotidineFamotidine6916
Metoprolol TartrateMetoprolol Tartrate6623
Metformin Hcl ErMetformin Hcl6524
Potassium ChloridePotassium Chloride6421
CarvedilolCarvedilol6321
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid6216
MeloxicamMeloxicam5825
Sertraline HclSertraline Hcl5820
ClopidogrelClopidogrel Bisulfate5416
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5414
Oxycodone HclOxycodone Hcl5316
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5212
Pravastatin SodiumPravastatin Sodium5216
FinasterideFinasteride5117
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5115
Venlafaxine Hcl ErVenlafaxine Hcl4812
Bupropion XlBupropion Hcl4512
Fluticasone PropionateFluticasone Propionate4417
Isosorbide Mononitrate ErIsosorbide Mononitrate4012
Tramadol HclTramadol Hcl3913
Zolpidem TartrateZolpidem Tartrate39suppressed
Tizanidine HclTizanidine Hcl37suppressed
Montelukast SodiumMontelukast Sodium3614
GlimepirideGlimepiride35suppressed
JanuviaSitagliptin Phosphate34suppressed
LevetiracetamLevetiracetam34suppressed
XareltoRivaroxaban3414
Escitalopram OxalateEscitalopram Oxalate33suppressed
MounjaroTirzepatide33suppressed
Quetiapine FumarateQuetiapine Fumarate33suppressed
Buspirone HclBuspirone Hcl3213
EzetimibeEzetimibe32suppressed
GlipizideGlipizide32suppressed
Hydralazine HclHydralazine Hcl32suppressed
MirtazapineMirtazapine32suppressed
AlprazolamAlprazolam31suppressed
Duloxetine HclDuloxetine Hcl31suppressed
Ibandronate SodiumIbandronate Sodium3112
Colestipol HclColestipol Hcl29suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2921
CephalexinCephalexin2823
Nifedipine ErNifedipine28suppressed
PrednisonePrednisone2825
ClonazepamClonazepam27suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen26suppressed
AtenololAtenolol24suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine24suppressed
Hydroxyzine PamoateHydroxyzine Pamoate24suppressed
IbuprofenIbuprofen24suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl24suppressed
SpironolactoneSpironolactone24suppressed
JardianceEmpagliflozin22suppressed
Solifenacin SuccinateSolifenacin Succinate21suppressed
LamotrigineLamotrigine19suppressed
Meclizine HclMeclizine Hcl19suppressed
AmoxicillinAmoxicillin1814
AzithromycinAzithromycin1816
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog18suppressed
LorazepamLorazepam18suppressed
SymbicortBudesonide/Formoterol Fumarate18suppressed
TorsemideTorsemide18suppressed
EstradiolEstradiol17suppressed
Paroxetine HclParoxetine Hcl17suppressed
PremarinEstrogens, Conjugated17suppressed
Benazepril HclBenazepril Hcl16suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine16suppressed
Propranolol HclPropranolol Hcl16suppressed
ValacyclovirValacyclovir Hcl16suppressed
KetoconazoleKetoconazole15suppressed
LinzessLinaclotide15suppressed
Ondansetron OdtOndansetron15suppressed
Bupropion Hcl SrBupropion Hcl14suppressed
Citalopram HbrCitalopram Hydrobromide14suppressed
Diclofenac SodiumDiclofenac Sodium14suppressed
Donepezil HclDonepezil Hcl14suppressed
FenofibrateFenofibrate Nanocrystallized14suppressed
Humalog Kwikpen U-100Insulin Lispro14suppressed
HydrocortisoneHydrocortisone14suppressed
Oxybutynin ChlorideOxybutynin Chloride14suppressed
Warfarin SodiumWarfarin Sodium14suppressed
Doxycycline HyclateDoxycycline Hyclate13suppressed
EliquisApixaban13suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
Methadone HclMethadone Hcl13suppressed
SynthroidLevothyroxine Sodium13suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic13suppressed
FarxigaDapagliflozin Propanediol12suppressed
NaproxenNaproxen12suppressed
Oxybutynin Chloride ErOxybutynin Chloride12suppressed
AcyclovirAcyclovir11suppressed
Atrovent HfaIpratropium Bromide11suppressed
BaclofenBaclofen11suppressed
DiazepamDiazepam11suppressed
MyrbetriqMirabegron11suppressed
NitroglycerinNitroglycerin11suppressed
OlanzapineOlanzapine11suppressed
TopiramateTopiramate11suppressed
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