Healthcare provider profile · identity verified

Brian J Decker, MD

Family Practice · JENISON, MI · NPI 1801809157

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 Calcium31989
Levothyroxine SodiumLevothyroxine Sodium27568
OmeprazoleOmeprazole21653
LisinoprilLisinopril21460
Trazodone HclTrazodone Hcl16535
MeloxicamMeloxicam15842
Amlodipine BesylateAmlodipine Besylate15648
Tamsulosin HclTamsulosin Hcl14838
GabapentinGabapentin14735
Losartan PotassiumLosartan Potassium12934
Metoprolol SuccinateMetoprolol Succinate10230
SimvastatinSimvastatin8923
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen8716
Tramadol HclTramadol Hcl8316
Metoprolol TartrateMetoprolol Tartrate8023
FamotidineFamotidine77suppressed
Fluoxetine HclFluoxetine Hcl7415
Albuterol Sulfate HfaAlbuterol Sulfate7025
Metformin Hcl ErMetformin Hcl6319
AlprazolamAlprazolam6014
Duloxetine HclDuloxetine Hcl5714
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5512
PrednisonePrednisone5530
Fluticasone PropionateFluticasone Propionate5416
Zolpidem TartrateZolpidem Tartrate53suppressed
ClonazepamClonazepam51suppressed
Montelukast SodiumMontelukast Sodium5011
CarvedilolCarvedilol4914
EliquisApixaban4912
Metformin HclMetformin Hcl4916
Rosuvastatin CalciumRosuvastatin Calcium4818
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4714
Citalopram HbrCitalopram Hydrobromide4612
Warfarin SodiumWarfarin Sodium45suppressed
FurosemideFurosemide4415
Pantoprazole SodiumPantoprazole Sodium4411
Escitalopram OxalateEscitalopram Oxalate43suppressed
Pravastatin SodiumPravastatin Sodium4311
TrulicityDulaglutide4312
Alendronate SodiumAlendronate Sodium39suppressed
Buspirone HclBuspirone Hcl39suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen37suppressed
Sertraline HclSertraline Hcl36suppressed
LevocarnitineLevocarnitine35suppressed
HydrochlorothiazideHydrochlorothiazide3412
LorazepamLorazepam34suppressed
Quetiapine FumarateQuetiapine Fumarate34suppressed
ClopidogrelClopidogrel Bisulfate32suppressed
EstradiolEstradiol32suppressed
AllopurinolAllopurinol31suppressed
Donepezil HclDonepezil Hcl31suppressed
Divalproex SodiumDivalproex Sodium30suppressed
FinasterideFinasteride30suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl28suppressed
IbuprofenIbuprofen28suppressed
Tizanidine HclTizanidine Hcl28suppressed
PhenobarbitalPhenobarbital27suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl26suppressed
XareltoRivaroxaban26suppressed
MethylprednisoloneMethylprednisolone2523
LevetiracetamLevetiracetam24suppressed
CelecoxibCelecoxib23suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium23suppressed
KetoconazoleKetoconazole22suppressed
Methylphenidate ErMethylphenidate Hcl22suppressed
SpironolactoneSpironolactone22suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine21suppressed
Potassium ChloridePotassium Chloride21suppressed
Acetaminophen-CodeineAcetaminophen With Codeine20suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide20suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid20suppressed
Hydroxyzine HclHydroxyzine Hcl19suppressed
Diclofenac SodiumDiclofenac Sodium18suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl18suppressed
ScopolamineScopolamine17suppressed
CephalexinCephalexin1611
MounjaroTirzepatide16suppressed
OzempicSemaglutide16suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1514
Terazosin HclTerazosin Hcl15suppressed
Amitriptyline HclAmitriptyline Hcl14suppressed
Bupropion XlBupropion Hcl14suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip14suppressed
Doxycycline HyclateDoxycycline Hyclate14suppressed
LovastatinLovastatin14suppressed
NystatinNystatin14suppressed
Promethazine HclPromethazine Hcl14suppressed
Bupropion Hcl SrBupropion Hcl13suppressed
CholestyramineCholestyramine (With Sugar)13suppressed
Clobetasol PropionateClobetasol Propionate13suppressed
EnuloseLactulose13suppressed
FarxigaDapagliflozin Propanediol13suppressed
KeppraLevetiracetam13suppressed
TopiramateTopiramate13suppressed
BiktarvyBictegrav/Emtricit/Tenofov Ala12suppressed
Depakote SprinkleDivalproex Sodium12suppressed
Liothyronine SodiumLiothyronine Sodium12suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
ValsartanValsartan12suppressed
AmoxicillinAmoxicillin11suppressed
AtenololAtenolol11suppressed
Benazepril HclBenazepril Hcl11suppressed
GlipizideGlipizide11suppressed
IrbesartanIrbesartan11suppressed
Norethindron-Ethinyl EstradiolNorethindrone Ac/Eth Estradiol11suppressed
Novolin R FlexpenInsulin Regular, Human11suppressed
PrevacidLansoprazole11suppressed
Propranolol HclPropranolol Hcl11suppressed
Qvar RedihalerBeclomethasone Dipropionate11suppressed
Victoza 3-PakLiraglutide11suppressed

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