Healthcare provider profile · identity verified

Michael James Dionne, M.D.

Internal Medicine · GROSSE POINTE FARMS, MI · NPI 1700933371

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
Amlodipine BesylateAmlodipine Besylate728193
Atorvastatin CalciumAtorvastatin Calcium459129
SimvastatinSimvastatin359105
Metoprolol SuccinateMetoprolol Succinate34196
Losartan PotassiumLosartan Potassium34090
Levothyroxine SodiumLevothyroxine Sodium30878
LisinoprilLisinopril29388
Metformin HclMetformin Hcl20566
Tamsulosin HclTamsulosin Hcl18051
OmeprazoleOmeprazole16161
Metoprolol TartrateMetoprolol Tartrate14845
Rosuvastatin CalciumRosuvastatin Calcium12844
Albuterol Sulfate HfaAlbuterol Sulfate10049
Pravastatin SodiumPravastatin Sodium9735
Potassium ChloridePotassium Chloride9034
CarvedilolCarvedilol8725
FurosemideFurosemide8127
AtenololAtenolol7918
AllopurinolAllopurinol7723
FamotidineFamotidine7520
HydrochlorothiazideHydrochlorothiazide7125
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid7017
EliquisApixaban6213
Hydralazine HclHydralazine Hcl5816
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5815
ClopidogrelClopidogrel Bisulfate5614
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5314
Montelukast SodiumMontelukast Sodium5118
Fluoxetine HclFluoxetine Hcl5015
ValsartanValsartan4714
Sertraline HclSertraline Hcl4412
ChlorthalidoneChlorthalidone37suppressed
GabapentinGabapentin37suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3711
Pantoprazole SodiumPantoprazole Sodium3711
Paroxetine HclParoxetine Hcl37suppressed
Diclofenac SodiumDiclofenac Sodium3314
AlprazolamAlprazolam3120
GlipizideGlipizide31suppressed
EzetimibeEzetimibe29suppressed
FinasterideFinasteride28suppressed
Fluticasone PropionateFluticasone Propionate2812
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide26suppressed
MethylprednisoloneMethylprednisolone2422
Duloxetine HclDuloxetine Hcl23suppressed
Metformin Hcl ErMetformin Hcl23suppressed
ScopolamineScopolamine23suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2213
Escitalopram OxalateEscitalopram Oxalate22suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate21suppressed
SpironolactoneSpironolactone21suppressed
Klor-Con M20Potassium Chloride20suppressed
Nifedipine ErNifedipine20suppressed
Buspirone HclBuspirone Hcl19suppressed
JanuviaSitagliptin Phosphate19suppressed
Donepezil HclDonepezil Hcl18suppressed
NystatinNystatin18suppressed
Amitriptyline HclAmitriptyline Hcl17suppressed
LovastatinLovastatin17suppressed
AzithromycinAzithromycin1513
EpinephrineEpinephrine15suppressed
MyrbetriqMirabegron15suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter15suppressed
ValacyclovirValacyclovir Hcl15suppressed
Venlafaxine HclVenlafaxine Hcl15suppressed
BaclofenBaclofen14suppressed
Citalopram HbrCitalopram Hydrobromide14suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
Meclizine HclMeclizine Hcl14suppressed
Potassium Citrate ErPotassium Citrate14suppressed
SynthroidLevothyroxine Sodium14suppressed
Bupropion XlBupropion Hcl13suppressed
CephalexinCephalexin1313
DiazepamDiazepam13suppressed
LansoprazoleLansoprazole13suppressed
Levemir FlexpenInsulin Detemir13suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril12suppressed
NateglinideNateglinide12suppressed
NitroglycerinNitroglycerin12suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim12suppressed
Venlafaxine Hcl ErVenlafaxine Hcl12suppressed
CalcitriolCalcitriol11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic11suppressed
XareltoRivaroxaban11suppressed

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