Healthcare provider profile · identity verified

Gary Joseph Gretch, MD

Internal Medicine · BREMERTON, WA · NPI 1053392597

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 Calcium804240
Amlodipine BesylateAmlodipine Besylate553152
LisinoprilLisinopril492139
Metformin HclMetformin Hcl370105
Levothyroxine SodiumLevothyroxine Sodium33285
Losartan PotassiumLosartan Potassium31999
HydrochlorothiazideHydrochlorothiazide31197
Metoprolol SuccinateMetoprolol Succinate28786
SimvastatinSimvastatin21862
OmeprazoleOmeprazole21556
Citalopram HbrCitalopram Hydrobromide21256
Tamsulosin HclTamsulosin Hcl16140
Trazodone HclTrazodone Hcl15136
GabapentinGabapentin14850
OzempicSemaglutide13727
Rosuvastatin CalciumRosuvastatin Calcium13042
FurosemideFurosemide12238
AllopurinolAllopurinol12135
EliquisApixaban11934
JardianceEmpagliflozin11130
Pantoprazole SodiumPantoprazole Sodium11131
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10936
Potassium ChloridePotassium Chloride10734
SpironolactoneSpironolactone9532
IrbesartanIrbesartan8925
AlprazolamAlprazolam8834
Alendronate SodiumAlendronate Sodium8733
CarvedilolCarvedilol8628
MeloxicamMeloxicam8431
Metoprolol TartrateMetoprolol Tartrate7623
Pravastatin SodiumPravastatin Sodium7620
EzetimibeEzetimibe6918
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid6917
ClopidogrelClopidogrel Bisulfate6723
FinasterideFinasteride6716
Tramadol HclTramadol Hcl6625
Duloxetine HclDuloxetine Hcl6515
Sertraline HclSertraline Hcl6421
TrulicityDulaglutide61suppressed
EstradiolEstradiol6021
XareltoRivaroxaban6018
Cyclobenzaprine HclCyclobenzaprine Hcl5914
Albuterol Sulfate HfaAlbuterol Sulfate5623
ChlorthalidoneChlorthalidone5614
Montelukast SodiumMontelukast Sodium5517
PrednisonePrednisone5523
Paroxetine HclParoxetine Hcl5415
FamotidineFamotidine5014
Escitalopram OxalateEscitalopram Oxalate4814
Fluticasone PropionateFluticasone Propionate4812
Oxycodone HclOxycodone Hcl4612
Fluoxetine HclFluoxetine Hcl44suppressed
AcyclovirAcyclovir4216
Metformin Hcl ErMetformin Hcl4212
Ropinirole HclRopinirole Hcl42suppressed
Donepezil HclDonepezil Hcl41suppressed
AtenololAtenolol3812
ClonazepamClonazepam3711
Quetiapine FumarateQuetiapine Fumarate36suppressed
AzithromycinAzithromycin3529
Candesartan CilexetilCandesartan Cilexetil3511
ColchicineColchicine3516
LovastatinLovastatin35suppressed
Zolpidem TartrateZolpidem Tartrate3513
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim3429
AmoxicillinAmoxicillin3326
Benazepril HclBenazepril Hcl33suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog32suppressed
Morphine Sulfate ErMorphine Sulfate32suppressed
Propranolol HclPropranolol Hcl32suppressed
Olmesartan MedoxomilOlmesartan Medoxomil31suppressed
Buspirone HclBuspirone Hcl30suppressed
GlimepirideGlimepiride29suppressed
Warfarin SodiumWarfarin Sodium29suppressed
Hydralazine HclHydralazine Hcl28suppressed
PrimidonePrimidone28suppressed
Bupropion XlBupropion Hcl27suppressed
Ciprofloxacin HclCiprofloxacin Hcl2721
Diltiazem 24hr Er (Cd)Diltiazem Hcl26suppressed
MirtazapineMirtazapine26suppressed
SynthroidLevothyroxine Sodium26suppressed
TorsemideTorsemide26suppressed
FenofibrateFenofibrate25suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate25suppressed
PaxlovidNirmatrelvir/Ritonavir2524
Fosinopril SodiumFosinopril Sodium24suppressed
Memantine HclMemantine Hcl24suppressed
Carbidopa-LevodopaCarbidopa/Levodopa23suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide23suppressed
JanuviaSitagliptin Phosphate21suppressed
MethotrexateMethotrexate Sodium21suppressed
LorazepamLorazepam20suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol19suppressed
LansoprazoleLansoprazole19suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide19suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl19suppressed
Sumatriptan SuccinateSumatriptan Succinate19suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog18suppressed
Bupropion Hcl SrBupropion Hcl18suppressed
MyrbetriqMirabegron18suppressed
Ondansetron OdtOndansetron18suppressed
Venlafaxine HclVenlafaxine Hcl18suppressed
Folic AcidFolic Acid17suppressed
GemfibrozilGemfibrozil17suppressed
Humalog Kwikpen U-100Insulin Lispro17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
Bupropion HclBupropion Hcl16suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen16suppressed
Testosterone CypionateTestosterone Cypionate16suppressed
Tizanidine HclTizanidine Hcl16suppressed
IndapamideIndapamide15suppressed
RamiprilRamipril15suppressed
Terazosin HclTerazosin Hcl15suppressed
DigoxinDigoxin14suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate14suppressed
LatanoprostLatanoprost14suppressed
Levemir FlexpenInsulin Detemir14suppressed
Oxybutynin ChlorideOxybutynin Chloride14suppressed
DiazepamDiazepam13suppressed
FenofibrateFenofibrate Nanocrystallized13suppressed
GemtesaVibegron13suppressed
Labetalol HclLabetalol Hcl13suppressed
Repatha SureclickEvolocumab13suppressed
Tolterodine Tartrate ErTolterodine Tartrate13suppressed
Bisoprolol FumarateBisoprolol Fumarate12suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide12suppressed
LevetiracetamLevetiracetam12suppressed
MounjaroTirzepatide12suppressed
Ondansetron HclOndansetron Hcl12suppressed
Pioglitazone HclPioglitazone Hcl12suppressed
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
ValacyclovirValacyclovir Hcl12suppressed
Ventolin HfaAlbuterol Sulfate12suppressed
Wellbutrin SrBupropion Hcl12suppressed
Amitriptyline HclAmitriptyline Hcl11suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav11suppressed
AripiprazoleAripiprazole11suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
Nifedipine ErNifedipine11suppressed
PregabalinPregabalin11suppressed
TelmisartanTelmisartan11suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic11suppressed

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