Healthcare provider profile · identity verified

Corey R Dean, M.D.

Internal Medicine · YPSILANTI, MI · NPI 1235166042

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 Calcium394123
Amlodipine BesylateAmlodipine Besylate24275
Metformin HclMetformin Hcl22767
LisinoprilLisinopril19963
Losartan PotassiumLosartan Potassium18453
Levothyroxine SodiumLevothyroxine Sodium14140
OmeprazoleOmeprazole12844
Albuterol Sulfate HfaAlbuterol Sulfate11343
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11213
EliquisApixaban10423
Metoprolol SuccinateMetoprolol Succinate9934
GabapentinGabapentin9826
HydrochlorothiazideHydrochlorothiazide9428
Tamsulosin HclTamsulosin Hcl9323
Fluticasone PropionateFluticasone Propionate8735
Pravastatin SodiumPravastatin Sodium8726
Trazodone HclTrazodone Hcl8523
JardianceEmpagliflozin7820
SimvastatinSimvastatin7822
Cyclobenzaprine HclCyclobenzaprine Hcl6216
CarvedilolCarvedilol6123
Sertraline HclSertraline Hcl6018
FurosemideFurosemide5919
JanuviaSitagliptin Phosphate5913
Metoprolol TartrateMetoprolol Tartrate5618
TrulicityDulaglutide5615
AllopurinolAllopurinol5413
Citalopram HbrCitalopram Hydrobromide5313
Bupropion XlBupropion Hcl5115
NaproxenNaproxen5017
Alendronate SodiumAlendronate Sodium4812
FamotidineFamotidine4411
Duloxetine HclDuloxetine Hcl4315
Montelukast SodiumMontelukast Sodium4215
Olmesartan MedoxomilOlmesartan Medoxomil4012
Rosuvastatin CalciumRosuvastatin Calcium4014
Lantus SolostarInsulin Glargine,hum.Rec.Anlog38suppressed
IbuprofenIbuprofen3617
Venlafaxine Hcl ErVenlafaxine Hcl36suppressed
BumetanideBumetanide35suppressed
Escitalopram OxalateEscitalopram Oxalate34suppressed
GlipizideGlipizide3412
SpironolactoneSpironolactone34suppressed
Pantoprazole SodiumPantoprazole Sodium3212
Metformin Hcl ErMetformin Hcl3111
Buspirone HclBuspirone Hcl30suppressed
Fluoxetine HclFluoxetine Hcl30suppressed
Tramadol HclTramadol Hcl30suppressed
Bupropion Hcl SrBupropion Hcl29suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate28suppressed
Potassium ChloridePotassium Chloride27suppressed
PregabalinPregabalin27suppressed
XareltoRivaroxaban27suppressed
ChlorthalidoneChlorthalidone26suppressed
ClopidogrelClopidogrel Bisulfate26suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate26suppressed
Warfarin SodiumWarfarin Sodium24suppressed
Donepezil HclDonepezil Hcl23suppressed
Quetiapine FumarateQuetiapine Fumarate22suppressed
CalcitriolCalcitriol21suppressed
PrednisonePrednisone2116
Propranolol HclPropranolol Hcl21suppressed
FarxigaDapagliflozin Propanediol19suppressed
SymbicortBudesonide/Formoterol Fumarate19suppressed
Diltiazem 24hr ErDiltiazem Hcl18suppressed
Spiriva HandihalerTiotropium Bromide18suppressed
MethotrexateMethotrexate Sodium17suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
Varenicline TartrateVarenicline Tartrate16suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog15suppressed
NitroglycerinNitroglycerin15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
FinasterideFinasteride14suppressed
MounjaroTirzepatide14suppressed
Nifedipine ErNifedipine14suppressed
Oxybutynin ChlorideOxybutynin Chloride14suppressed
LovastatinLovastatin13suppressed
Incruse ElliptaUmeclidinium Bromide12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
Amitriptyline HclAmitriptyline Hcl11suppressed
Candesartan CilexetilCandesartan Cilexetil11suppressed
EzetimibeEzetimibe11suppressed
HydrocortisoneHydrocortisone11suppressed
IbuIbuprofen11suppressed
Ropinirole HclRopinirole Hcl11suppressed
SynthroidLevothyroxine Sodium11suppressed
Terazosin HclTerazosin Hcl11suppressed
Tizanidine HclTizanidine Hcl11suppressed
ValsartanValsartan11suppressed

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