Healthcare provider profile · identity verified

Daniel E. Johnson, M.D.

Family Practice · MUKWONAGO, WI · NPI 1225001225

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 Calcium30494
Losartan PotassiumLosartan Potassium26075
Amlodipine BesylateAmlodipine Besylate24369
Levothyroxine SodiumLevothyroxine Sodium23055
LisinoprilLisinopril21164
Pantoprazole SodiumPantoprazole Sodium17443
Sertraline HclSertraline Hcl15136
OmeprazoleOmeprazole14641
Metformin Hcl ErMetformin Hcl14436
SimvastatinSimvastatin14439
GabapentinGabapentin12136
Metoprolol SuccinateMetoprolol Succinate12037
Pravastatin SodiumPravastatin Sodium11234
Rosuvastatin CalciumRosuvastatin Calcium10531
FamotidineFamotidine9726
FurosemideFurosemide9029
EliquisApixaban8620
HydrochlorothiazideHydrochlorothiazide8324
Albuterol Sulfate HfaAlbuterol Sulfate8132
Tamsulosin HclTamsulosin Hcl8025
Trazodone HclTrazodone Hcl7826
Tramadol HclTramadol Hcl7716
AtenololAtenolol7218
OzempicSemaglutide6613
AllopurinolAllopurinol6419
Potassium ChloridePotassium Chloride6416
Bupropion XlBupropion Hcl5714
Montelukast SodiumMontelukast Sodium5518
Buspirone HclBuspirone Hcl51suppressed
AlprazolamAlprazolam4912
Citalopram HbrCitalopram Hydrobromide4915
Glipizide ErGlipizide4914
Zolpidem TartrateZolpidem Tartrate4612
Fluticasone-SalmeterolFluticasone Propion/Salmeterol4315
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4312
Fluoxetine HclFluoxetine Hcl4111
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4013
Metformin HclMetformin Hcl4012
Metoprolol TartrateMetoprolol Tartrate3911
Escitalopram OxalateEscitalopram Oxalate3813
Alendronate SodiumAlendronate Sodium3712
ClopidogrelClopidogrel Bisulfate35suppressed
PrednisonePrednisone3327
ValsartanValsartan32suppressed
Warfarin SodiumWarfarin Sodium32suppressed
Fluticasone PropionateFluticasone Propionate31suppressed
Diclofenac SodiumDiclofenac Sodium3012
SymbicortBudesonide/Formoterol Fumarate29suppressed
JardianceEmpagliflozin28suppressed
Oxybutynin Chloride ErOxybutynin Chloride28suppressed
EzetimibeEzetimibe25suppressed
SpironolactoneSpironolactone25suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl24suppressed
LorazepamLorazepam24suppressed
ProbenecidProbenecid23suppressed
NaproxenNaproxen22suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2218
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid22suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog21suppressed
LovastatinLovastatin21suppressed
Duloxetine HclDuloxetine Hcl20suppressed
Nifedipine ErNifedipine20suppressed
SynthroidLevothyroxine Sodium20suppressed
AzithromycinAzithromycin1918
Benazepril HclBenazepril Hcl19suppressed
Tresiba Flextouch U-100Insulin Degludec19suppressed
CelecoxibCelecoxib18suppressed
EstradiolEstradiol18suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide18suppressed
Colesevelam HclColesevelam Hcl17suppressed
MeloxicamMeloxicam17suppressed
Terazosin HclTerazosin Hcl17suppressed
Acetaminophen-CodeineAcetaminophen With Codeine16suppressed
LinzessLinaclotide16suppressed
MethocarbamolMethocarbamol16suppressed
Wixela InhubFluticasone Propion/Salmeterol16suppressed
GlimepirideGlimepiride15suppressed
GlipizideGlipizide15suppressed
HydrocortisoneHydrocortisone15suppressed
Advair DiskusFluticasone Propion/Salmeterol14suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril14suppressed
Hydralazine HclHydralazine Hcl14suppressed
NystatinNystatin14suppressed
DilantinPhenytoin Sodium Extended13suppressed
KetoconazoleKetoconazole13suppressed
Labetalol HclLabetalol Hcl13suppressed
NitrofurantoinNitrofurantoin Macrocrystal13suppressed
Paroxetine HclParoxetine Hcl13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
Morphine SulfateMorphine Sulfate12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
Oxycodone HclOxycodone Hcl12suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12suppressed
Terbinafine HclTerbinafine Hcl12suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter12suppressed
VyvanseLisdexamfetamine Dimesylate12suppressed
CefuroximeCefuroxime Axetil11suppressed
EpinephrineEpinephrine11suppressed
Humulin NInsulin Nph Human Isophane11suppressed
Ondansetron OdtOndansetron11suppressed

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