Healthcare provider profile · identity verified

Michael J. Deweerd, M.D.

Family Practice · FREMONT, MI · NPI 1942252440

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 Calcium560155
Amlodipine BesylateAmlodipine Besylate33791
LisinoprilLisinopril32286
Metoprolol SuccinateMetoprolol Succinate23362
OmeprazoleOmeprazole22564
Losartan PotassiumLosartan Potassium21958
Rosuvastatin CalciumRosuvastatin Calcium17350
Levothyroxine SodiumLevothyroxine Sodium16845
Tamsulosin HclTamsulosin Hcl16344
EliquisApixaban14937
Metformin HclMetformin Hcl14046
ChlorthalidoneChlorthalidone12335
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12236
Metformin Hcl ErMetformin Hcl12035
SimvastatinSimvastatin11733
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10935
CelecoxibCelecoxib10434
Metoprolol TartrateMetoprolol Tartrate9326
Sertraline HclSertraline Hcl9126
HydrochlorothiazideHydrochlorothiazide8422
GabapentinGabapentin8327
Pioglitazone HclPioglitazone Hcl7724
AllopurinolAllopurinol7423
Bupropion XlBupropion Hcl7217
FurosemideFurosemide7122
MeloxicamMeloxicam6824
Paroxetine HclParoxetine Hcl6818
Pantoprazole SodiumPantoprazole Sodium6718
Albuterol Sulfate HfaAlbuterol Sulfate6525
CarvedilolCarvedilol6117
TrulicityDulaglutide5913
Alendronate SodiumAlendronate Sodium5818
FinasterideFinasteride5717
Donepezil HclDonepezil Hcl5216
AtenololAtenolol5115
Doxazosin MesylateDoxazosin Mesylate4813
Escitalopram OxalateEscitalopram Oxalate4517
Fluoxetine HclFluoxetine Hcl4413
Glipizide ErGlipizide4415
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4413
JardianceEmpagliflozin4111
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3811
EstradiolEstradiol3714
SpironolactoneSpironolactone3612
Citalopram HbrCitalopram Hydrobromide35suppressed
Montelukast SodiumMontelukast Sodium3513
MyrbetriqMirabegron34suppressed
Potassium ChloridePotassium Chloride34suppressed
PregabalinPregabalin3212
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide31suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter31suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium30suppressed
NystatinNystatin2916
Terazosin HclTerazosin Hcl29suppressed
Venlafaxine Hcl ErVenlafaxine Hcl28suppressed
Pravastatin SodiumPravastatin Sodium27suppressed
Buspirone HclBuspirone Hcl26suppressed
Amitriptyline HclAmitriptyline Hcl24suppressed
Duloxetine HclDuloxetine Hcl24suppressed
Fluticasone PropionateFluticasone Propionate2411
MounjaroTirzepatide24suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl24suppressed
FamotidineFamotidine23suppressed
LovastatinLovastatin23suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl22suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine22suppressed
PrednisonePrednisone2216
Trazodone HclTrazodone Hcl22suppressed
LorazepamLorazepam2115
Methadone HclMethadone Hcl21suppressed
Quetiapine FumarateQuetiapine Fumarate21suppressed
TorsemideTorsemide21suppressed
Amlodipine-OlmesartanAmlodipine Bes/Olmesartan Med2014
Glipizide-MetforminGlipizide/Metformin Hcl19suppressed
Sildenafil CitrateSildenafil Citrate19suppressed
AlprazolamAlprazolam18suppressed
Clonidine HclClonidine Hcl18suppressed
Ondansetron OdtOndansetron18suppressed
Propranolol HclPropranolol Hcl18suppressed
Tolterodine Tartrate ErTolterodine Tartrate18suppressed
Zolpidem TartrateZolpidem Tartrate18suppressed
GlipizideGlipizide17suppressed
Memantine HclMemantine Hcl16suppressed
Triamcinolone AcetonideTriamcinolone Acetonide16suppressed
Methylphenidate HclMethylphenidate Hcl15suppressed
NaproxenNaproxen15suppressed
Olmesartan MedoxomilOlmesartan Medoxomil15suppressed
XareltoRivaroxaban15suppressed
ClonazepamClonazepam14suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine14suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
FarxigaDapagliflozin Propanediol13suppressed
SymbicortBudesonide/Formoterol Fumarate13suppressed
TopiramateTopiramate13suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic13suppressed
Venlafaxine HclVenlafaxine Hcl13suppressed
ClopidogrelClopidogrel Bisulfate12suppressed
FenofibrateFenofibrate Nanocrystallized12suppressed
Nifedipine ErNifedipine12suppressed
NitroglycerinNitroglycerin12suppressed
Olmesartan-Amlodipine-HctzOlmesartan/Amlodipin/Hcthiazid1211
ValacyclovirValacyclovir Hcl12suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril11suppressed
PrimidonePrimidone11suppressed
RamiprilRamipril11suppressed
SynthroidLevothyroxine Sodium11suppressed
Tramadol HclTramadol 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