Healthcare provider profile · identity verified

Kenneth B. Bortin, MD

Cardiology · LAKE GENEVA, WI · NPI 1861554743

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
Metoprolol SuccinateMetoprolol Succinate938293
EliquisApixaban705169
Atorvastatin CalciumAtorvastatin Calcium613198
Losartan PotassiumLosartan Potassium345106
Rosuvastatin CalciumRosuvastatin Calcium338111
Metoprolol TartrateMetoprolol Tartrate31495
Amlodipine BesylateAmlodipine Besylate26884
FurosemideFurosemide22874
Diltiazem 24hr Er (Cd)Diltiazem Hcl18758
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide17657
CarvedilolCarvedilol16248
Amiodarone HclAmiodarone Hcl14343
JardianceEmpagliflozin14242
SpironolactoneSpironolactone10831
EntrestoSacubitril/Valsartan10028
DigoxinDigoxin9324
HydrochlorothiazideHydrochlorothiazide9031
Midodrine HclMidodrine Hcl8820
XareltoRivaroxaban8224
ClopidogrelClopidogrel Bisulfate7929
LisinoprilLisinopril6422
EzetimibeEzetimibe5418
Isosorbide Mononitrate ErIsosorbide Mononitrate5017
Repatha SureclickEvolocumab48suppressed
Fludrocortisone AcetateFludrocortisone Acetate44suppressed
Nitroglycerin PatchNitroglycerin31suppressed
Levothyroxine SodiumLevothyroxine Sodium26suppressed
Warfarin SodiumWarfarin Sodium26suppressed
SimvastatinSimvastatin24suppressed
AtenololAtenolol22suppressed
Cartia XtDiltiazem Hcl2216
Potassium ChloridePotassium Chloride21suppressed
Verapamil ErVerapamil Hcl21suppressed
FarxigaDapagliflozin Propanediol19suppressed
TorsemideTorsemide19suppressed
FenofibrateFenofibrate18suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide16suppressed
Praluent PenAlirocumab15suppressed
AmoxicillinAmoxicillin14suppressed
Clonidine HclClonidine Hcl14suppressed
SotalolSotalol Hcl14suppressed
FenofibrateFenofibrate Nanocrystallized13suppressed
BrilintaTicagrelor12suppressed
Fluticasone PropionateFluticasone Propionate12suppressed
Flecainide AcetateFlecainide Acetate11suppressed
Hydralazine HclHydralazine 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