Healthcare provider profile · identity verified

Stefan Mark Groetsch, MD

Family Practice · SILVERDALE, WA · NPI 1679543268

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 Calcium27680
LisinoprilLisinopril17347
Levothyroxine SodiumLevothyroxine Sodium14637
Amlodipine BesylateAmlodipine Besylate13440
Losartan PotassiumLosartan Potassium12737
OmeprazoleOmeprazole12237
SimvastatinSimvastatin11529
Tamsulosin HclTamsulosin Hcl9530
Metformin HclMetformin Hcl8928
GabapentinGabapentin7425
Sertraline HclSertraline Hcl6919
Albuterol Sulfate HfaAlbuterol Sulfate5928
Duloxetine HclDuloxetine Hcl5814
FurosemideFurosemide5813
HydrochlorothiazideHydrochlorothiazide5817
Trazodone HclTrazodone Hcl5221
FamotidineFamotidine5013
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5020
AtenololAtenolol4815
Morphine Sulfate ErMorphine Sulfate47suppressed
JardianceEmpagliflozin4512
Metoprolol SuccinateMetoprolol Succinate4214
Metoprolol TartrateMetoprolol Tartrate40suppressed
MeloxicamMeloxicam38suppressed
Fluticasone PropionateFluticasone Propionate3712
ClopidogrelClopidogrel Bisulfate36suppressed
Rosuvastatin CalciumRosuvastatin Calcium3512
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide33suppressed
Tramadol HclTramadol Hcl33suppressed
AllopurinolAllopurinol31suppressed
Metformin Hcl ErMetformin Hcl29suppressed
Methylphenidate ErMethylphenidate Hcl29suppressed
Pantoprazole SodiumPantoprazole Sodium2913
Alendronate SodiumAlendronate Sodium28suppressed
Venlafaxine Hcl ErVenlafaxine Hcl26suppressed
Diclofenac SodiumDiclofenac Sodium25suppressed
Ondansetron OdtOndansetron25suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen25suppressed
Fluoxetine HclFluoxetine Hcl24suppressed
Paroxetine HclParoxetine Hcl24suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate23suppressed
EzetimibeEzetimibe22suppressed
Humulin NInsulin Nph Human Isophane22suppressed
Spiriva RespimatTiotropium Bromide22suppressed
CarvedilolCarvedilol21suppressed
PrednisonePrednisone21suppressed
Quetiapine FumarateQuetiapine Fumarate21suppressed
SpironolactoneSpironolactone20suppressed
EstradiolEstradiol19suppressed
Memantine HclMemantine Hcl19suppressed
Potassium ChloridePotassium Chloride19suppressed
FinasterideFinasteride18suppressed
Montelukast SodiumMontelukast Sodium17suppressed
Oxycodone HclOxycodone Hcl17suppressed
Wixela InhubFluticasone Propion/Salmeterol17suppressed
BreynaBudesonide/Formoterol Fumarate16suppressed
Citalopram HbrCitalopram Hydrobromide15suppressed
Pravastatin SodiumPravastatin Sodium15suppressed
RisperidoneRisperidone15suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1414
AlvescoCiclesonide14suppressed
ChlorthalidoneChlorthalidone14suppressed
ClonazepamClonazepam14suppressed
Divalproex Sodium ErDivalproex Sodium14suppressed
GlipizideGlipizide14suppressed
LorazepamLorazepam14suppressed
Divalproex SodiumDivalproex Sodium13suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf1313
TemazepamTemazepam13suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter13suppressed
Triamcinolone AcetonideTriamcinolone Acetonide13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
OlanzapineOlanzapine12suppressed
PrimidonePrimidone12suppressed
Trospium ChlorideTrospium Chloride12suppressed
PaxlovidNirmatrelvir/Ritonavir1111
Propranolol Hcl ErPropranolol 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