Healthcare provider profile · identity verified

Donald J. Meyer, D.O.

Family Practice · CEDARBURG, WI · NPI 1437124617

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
ArexvyRsvpref3 Antigen/As01e/Pf120120
Levothyroxine SodiumLevothyroxine Sodium11319
Rosuvastatin CalciumRosuvastatin Calcium11215
IrbesartanIrbesartan11014
Atorvastatin CalciumAtorvastatin Calcium10924
ShingrixVaricella-Zoster Ge/As01b/Pf10577
Memantine HclMemantine Hcl8412
Amlodipine BesylateAmlodipine Besylate8111
Metformin HclMetformin Hcl54suppressed
Trazodone HclTrazodone Hcl51suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac4949
Donepezil HclDonepezil Hcl45suppressed
EliquisApixaban40suppressed
Metoprolol TartrateMetoprolol Tartrate40suppressed
ClopidogrelClopidogrel Bisulfate38suppressed
LisinoprilLisinopril38suppressed
Losartan PotassiumLosartan Potassium37suppressed
FurosemideFurosemide34suppressed
Carbidopa-LevodopaCarbidopa/Levodopa33suppressed
FamotidineFamotidine33suppressed
HydrochlorothiazideHydrochlorothiazide33suppressed
Potassium ChloridePotassium Chloride31suppressed
GabapentinGabapentin29suppressed
Sertraline HclSertraline Hcl28suppressed
CalcitriolCalcitriol27suppressed
FarxigaDapagliflozin Propanediol26suppressed
Metoprolol SuccinateMetoprolol Succinate26suppressed
AllopurinolAllopurinol25suppressed
OlanzapineOlanzapine25suppressed
AtenololAtenolol23suppressed
Tamsulosin HclTamsulosin Hcl23suppressed
Pantoprazole SodiumPantoprazole Sodium22suppressed
Quetiapine FumarateQuetiapine Fumarate20suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate19suppressed
LevetiracetamLevetiracetam19suppressed
Pravastatin SodiumPravastatin Sodium19suppressed
Ranolazine ErRanolazine19suppressed
Citalopram HbrCitalopram Hydrobromide17suppressed
TrulicityDulaglutide17suppressed
OmeprazoleOmeprazole16suppressed
FinasterideFinasteride15suppressed
PrednisonePrednisone15suppressed
CarvedilolCarvedilol14suppressed
EntacaponeEntacapone13suppressed
Galantamine HbrGalantamine Hbr13suppressed
Glipizide ErGlipizide13suppressed
LovastatinLovastatin13suppressed
SimvastatinSimvastatin13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
Felodipine ErFelodipine12suppressed
Fluticasone PropionateFluticasone Propionate12suppressed
Buspirone HclBuspirone Hcl11suppressed
VascepaIcosapent Ethyl11suppressed
Venlafaxine Hcl ErVenlafaxine 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