Healthcare provider profile · identity verified

David Michael Eisinger, MD

Family Practice · KALAMAZOO, MI · NPI 1780036459

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 Calcium501135
Amlodipine BesylateAmlodipine Besylate24768
Metformin HclMetformin Hcl23862
Levothyroxine SodiumLevothyroxine Sodium20858
LisinoprilLisinopril17857
GabapentinGabapentin14526
Losartan PotassiumLosartan Potassium13239
Tamsulosin HclTamsulosin Hcl13229
SimvastatinSimvastatin12528
Rosuvastatin CalciumRosuvastatin Calcium12039
HydrochlorothiazideHydrochlorothiazide11931
OmeprazoleOmeprazole11836
Metoprolol SuccinateMetoprolol Succinate10724
Sertraline HclSertraline Hcl9220
Pantoprazole SodiumPantoprazole Sodium8124
EliquisApixaban7715
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen7516
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7420
TrulicityDulaglutide7013
JardianceEmpagliflozin6115
Lantus SolostarInsulin Glargine,hum.Rec.Anlog6113
Albuterol Sulfate HfaAlbuterol Sulfate5921
Trazodone HclTrazodone Hcl5917
Metformin Hcl ErMetformin Hcl5818
Metoprolol TartrateMetoprolol Tartrate5619
Tramadol HclTramadol Hcl5411
Duloxetine HclDuloxetine Hcl5316
MeloxicamMeloxicam5313
AtenololAtenolol5114
Cyclobenzaprine HclCyclobenzaprine Hcl4621
FurosemideFurosemide4518
AllopurinolAllopurinol44suppressed
Citalopram HbrCitalopram Hydrobromide44suppressed
FarxigaDapagliflozin Propanediol44suppressed
ChlorthalidoneChlorthalidone4313
Potassium ChloridePotassium Chloride4311
Pravastatin SodiumPravastatin Sodium41suppressed
Hydroxyzine HclHydroxyzine Hcl3914
MounjaroTirzepatide38suppressed
Bupropion XlBupropion Hcl37suppressed
ClopidogrelClopidogrel Bisulfate37suppressed
TopiramateTopiramate37suppressed
Escitalopram OxalateEscitalopram Oxalate36suppressed
Fluticasone PropionateFluticasone Propionate3514
Montelukast SodiumMontelukast Sodium35suppressed
Sumatriptan SuccinateSumatriptan Succinate35suppressed
Propranolol HclPropranolol Hcl34suppressed
Amitriptyline HclAmitriptyline Hcl33suppressed
Alendronate SodiumAlendronate Sodium30suppressed
Donepezil HclDonepezil Hcl28suppressed
TorsemideTorsemide27suppressed
FinasterideFinasteride26suppressed
Fluoxetine HclFluoxetine Hcl26suppressed
Enalapril MaleateEnalapril Maleate25suppressed
EzetimibeEzetimibe25suppressed
Pioglitazone HclPioglitazone Hcl25suppressed
FamotidineFamotidine24suppressed
AlprazolamAlprazolam23suppressed
Paroxetine HclParoxetine Hcl23suppressed
PregabalinPregabalin23suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid23suppressed
ClonazepamClonazepam22suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide21suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl21suppressed
SymbicortBudesonide/Formoterol Fumarate21suppressed
IbuprofenIbuprofen20suppressed
CarvedilolCarvedilol19suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol19suppressed
OzempicSemaglutide19suppressed
Ropinirole HclRopinirole Hcl19suppressed
Doxazosin MesylateDoxazosin Mesylate18suppressed
Clobetasol PropionateClobetasol Propionate17suppressed
Insulin SyringeSyringe-Needle,insulin,0.5 Ml17suppressed
SpironolactoneSpironolactone17suppressed
Oxybutynin ChlorideOxybutynin Chloride16suppressed
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog15suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic15suppressed
PrednisonePrednisone14suppressed
Raloxifene HclRaloxifene Hcl14suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1414
Tresiba Flextouch U-200Insulin Degludec14suppressed
BreynaBudesonide/Formoterol Fumarate13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
EstradiolEstradiol13suppressed
Hydralazine HclHydralazine Hcl13suppressed
Morphine SulfateMorphine Sulfate13suppressed
MyrbetriqMirabegron13suppressed
Breo ElliptaFluticasone/Vilanterol12suppressed
Diclofenac SodiumDiclofenac Sodium12suppressed
NadololNadolol12suppressed
Nifedipine ErNifedipine12suppressed
Propranolol Hcl ErPropranolol Hcl12suppressed
Qvar RedihalerBeclomethasone Dipropionate12suppressed
ValacyclovirValacyclovir Hcl12suppressed
BaclofenBaclofen11suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium11suppressed
MupirocinMupirocin11suppressed
Solifenacin SuccinateSolifenacin Succinate11suppressed

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