Healthcare provider profile · identity verified

Dale Alan Johnson, MD

Family Practice · OCONOMOWOC, WI · NPI 1447211404

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
Losartan PotassiumLosartan Potassium568143
Atorvastatin CalciumAtorvastatin Calcium540147
Metoprolol SuccinateMetoprolol Succinate35587
Levothyroxine SodiumLevothyroxine Sodium29470
LisinoprilLisinopril25067
LorazepamLorazepam23538
Metoprolol TartrateMetoprolol Tartrate20446
AllopurinolAllopurinol18647
Tamsulosin HclTamsulosin Hcl18150
Amlodipine BesylateAmlodipine Besylate17751
OmeprazoleOmeprazole17548
HydrochlorothiazideHydrochlorothiazide17043
Sertraline HclSertraline Hcl16939
Metformin HclMetformin Hcl16747
FurosemideFurosemide14148
GabapentinGabapentin14132
Pantoprazole SodiumPantoprazole Sodium14142
Rosuvastatin CalciumRosuvastatin Calcium13636
Diclofenac SodiumDiclofenac Sodium13552
EliquisApixaban13327
LovastatinLovastatin10531
Warfarin SodiumWarfarin Sodium9826
SpironolactoneSpironolactone9725
Tramadol HclTramadol Hcl9620
Glipizide ErGlipizide9423
MeloxicamMeloxicam8826
Diltiazem 24hr Er (Cd)Diltiazem Hcl8418
Terazosin HclTerazosin Hcl8321
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen78suppressed
PrednisonePrednisone7838
SimvastatinSimvastatin7623
Hydralazine HclHydralazine Hcl7417
Albuterol Sulfate HfaAlbuterol Sulfate7334
CarvedilolCarvedilol6520
ClopidogrelClopidogrel Bisulfate6518
GlipizideGlipizide6315
Triamcinolone AcetonideTriamcinolone Acetonide6037
Nifedipine ErNifedipine5815
Bupropion XlBupropion Hcl57suppressed
Trazodone HclTrazodone Hcl55suppressed
EzetimibeEzetimibe5316
JardianceEmpagliflozin5111
Potassium ChloridePotassium Chloride5015
Alendronate SodiumAlendronate Sodium4912
FenofibrateFenofibrate Nanocrystallized4913
Terbinafine HclTerbinafine Hcl49suppressed
XareltoRivaroxaban44suppressed
Zolpidem TartrateZolpidem Tartrate4411
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine38suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3812
Metformin Hcl ErMetformin Hcl3712
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3711
CephalexinCephalexin3627
Escitalopram OxalateEscitalopram Oxalate34suppressed
Pioglitazone HclPioglitazone Hcl33suppressed
AtenololAtenolol31suppressed
JantovenWarfarin Sodium31suppressed
TemazepamTemazepam31suppressed
Montelukast SodiumMontelukast Sodium30suppressed
Sildenafil CitrateSildenafil Citrate30suppressed
Citalopram HbrCitalopram Hydrobromide29suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine26suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol26suppressed
Diltiazem 24hr ErDiltiazem Hcl25suppressed
Fluticasone PropionateFluticasone Propionate25suppressed
ValsartanValsartan25suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate24suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog24suppressed
CefdinirCefdinir2322
Enalapril MaleateEnalapril Maleate23suppressed
Pravastatin SodiumPravastatin Sodium23suppressed
Amitriptyline HclAmitriptyline Hcl21suppressed
Clonidine HclClonidine Hcl21suppressed
ProbenecidProbenecid21suppressed
AmoxicillinAmoxicillin2013
Doxycycline HyclateDoxycycline Hyclate1917
FenofibrateFenofibrate19suppressed
Buspirone HclBuspirone Hcl18suppressed
Ciprofloxacin HclCiprofloxacin Hcl1816
Donepezil HclDonepezil Hcl18suppressed
Duloxetine HclDuloxetine Hcl18suppressed
FinasterideFinasteride18suppressed
Meclizine HclMeclizine Hcl18suppressed
FamotidineFamotidine17suppressed
Labetalol HclLabetalol Hcl17suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide17suppressed
Ropinirole HclRopinirole Hcl17suppressed
LamotrigineLamotrigine16suppressed
Methenamine HippurateMethenamine Hippurate16suppressed
TopiramateTopiramate16suppressed
Carbidopa-LevodopaCarbidopa/Levodopa15suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen15suppressed
SymbicortBudesonide/Formoterol Fumarate15suppressed
AzithromycinAzithromycin1412
CelecoxibCelecoxib14suppressed
LansoprazoleLansoprazole14suppressed
Qvar RedihalerBeclomethasone Dipropionate14suppressed
BaclofenBaclofen13suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine13suppressed
SynthroidLevothyroxine Sodium13suppressed
Verapamil ErVerapamil Hcl13suppressed
AlogliptinAlogliptin Benzoate12suppressed
AlprazolamAlprazolam12suppressed
Benazepril HclBenazepril Hcl12suppressed
Breo ElliptaFluticasone/Vilanterol12suppressed
Combivent RespimatIpratropium/Albuterol Sulfate12suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium12suppressed
Fluoxetine HclFluoxetine Hcl11suppressed
LevetiracetamLevetiracetam11suppressed

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