Healthcare provider profile · identity verified

Mark Turpin, D.O.

Family Practice · TONASKET, WA · NPI 1134533144

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 Calcium28888
LisinoprilLisinopril24773
Amlodipine BesylateAmlodipine Besylate21063
Tamsulosin HclTamsulosin Hcl15953
Losartan PotassiumLosartan Potassium14947
GabapentinGabapentin12136
Rosuvastatin CalciumRosuvastatin Calcium12041
OmeprazoleOmeprazole11840
Levothyroxine SodiumLevothyroxine Sodium11233
Metoprolol SuccinateMetoprolol Succinate11135
Albuterol Sulfate HfaAlbuterol Sulfate10840
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10519
HydrochlorothiazideHydrochlorothiazide10132
FurosemideFurosemide8933
OzempicSemaglutide7215
Bupropion XlBupropion Hcl6619
AllopurinolAllopurinol6520
Sertraline HclSertraline Hcl6316
Citalopram HbrCitalopram Hydrobromide6115
FinasterideFinasteride6016
Fluticasone PropionateFluticasone Propionate6027
MethocarbamolMethocarbamol5617
Venlafaxine Hcl ErVenlafaxine Hcl5611
Metformin Hcl ErMetformin Hcl5417
Metformin HclMetformin Hcl5318
FamotidineFamotidine5213
Oxycodone HclOxycodone Hcl5114
MeloxicamMeloxicam4716
GlipizideGlipizide4613
Tramadol HclTramadol Hcl4621
Quetiapine FumarateQuetiapine Fumarate44suppressed
Trazodone HclTrazodone Hcl4218
Cyclobenzaprine HclCyclobenzaprine Hcl4115
Pravastatin SodiumPravastatin Sodium4011
Metoprolol TartrateMetoprolol Tartrate39suppressed
Warfarin SodiumWarfarin Sodium39suppressed
Potassium ChloridePotassium Chloride3813
Duloxetine HclDuloxetine Hcl3713
SpironolactoneSpironolactone3611
JardianceEmpagliflozin35suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen35suppressed
Pantoprazole SodiumPantoprazole Sodium3512
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide34suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3323
Diltiazem 24hr Er (Cd)Diltiazem Hcl31suppressed
Buspirone HclBuspirone Hcl30suppressed
Ventolin HfaAlbuterol Sulfate3011
Incruse ElliptaUmeclidinium Bromide29suppressed
Morphine Sulfate ErMorphine Sulfate29suppressed
Acetaminophen-CodeineAcetaminophen With Codeine28suppressed
ClonazepamClonazepam28suppressed
SimvastatinSimvastatin27suppressed
Diclofenac SodiumDiclofenac Sodium2613
Donepezil HclDonepezil Hcl26suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide25suppressed
Montelukast SodiumMontelukast Sodium25suppressed
Naltrexone HclNaltrexone Hcl2511
AlprazolamAlprazolam24suppressed
Fluoxetine HclFluoxetine Hcl23suppressed
Nortriptyline HclNortriptyline Hcl23suppressed
AtenololAtenolol22suppressed
Zolpidem TartrateZolpidem Tartrate22suppressed
ClopidogrelClopidogrel Bisulfate21suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr20suppressed
Ipratropium BromideIpratropium Bromide20suppressed
PregabalinPregabalin20suppressed
Spiriva HandihalerTiotropium Bromide20suppressed
IbuprofenIbuprofen19suppressed
Divalproex SodiumDivalproex Sodium18suppressed
Escitalopram OxalateEscitalopram Oxalate18suppressed
LovastatinLovastatin17suppressed
MyrbetriqMirabegron17suppressed
Alendronate SodiumAlendronate Sodium16suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1615
ChlorthalidoneChlorthalidone16suppressed
LoperamideLoperamide Hcl16suppressed
PrednisonePrednisone1613
Sumatriptan SuccinateSumatriptan Succinate16suppressed
Terazosin HclTerazosin Hcl16suppressed
Doxycycline HyclateDoxycycline Hyclate1512
EplerenoneEplerenone15suppressed
DiazepamDiazepam14suppressed
GlimepirideGlimepiride14suppressed
Morphine SulfateMorphine Sulfate14suppressed
NaproxenNaproxen14suppressed
CarvedilolCarvedilol13suppressed
DuleraMometasone/Formoterol13suppressed
Enalapril MaleateEnalapril Maleate13suppressed
LorazepamLorazepam13suppressed
TopiramateTopiramate13suppressed
Amitriptyline HclAmitriptyline Hcl12suppressed
BaclofenBaclofen12suppressed
MounjaroTirzepatide12suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst12suppressed
NitroglycerinNitroglycerin12suppressed
NystatinNystatin12suppressed
Prazosin HclPrazosin Hcl12suppressed
Advair DiskusFluticasone Propion/Salmeterol11suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog11suppressed
CephalexinCephalexin1111
LamotrigineLamotrigine11suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11suppressed
LevetiracetamLevetiracetam11suppressed
Meclizine HclMeclizine Hcl11suppressed
Oxybutynin Chloride ErOxybutynin Chloride11suppressed
Pioglitazone HclPioglitazone Hcl11suppressed
Propranolol HclPropranolol Hcl11suppressed
Tizanidine HclTizanidine Hcl11suppressed
Varenicline TartrateVarenicline Tartrate11suppressed
Xtampza ErOxycodone Myristate11suppressed

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