Healthcare provider profile · identity verified

David P Johnson, MD

Family Practice · MILWAUKEE, WI · NPI 1235180084

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 Calcium24574
Amlodipine BesylateAmlodipine Besylate17667
Oxycodone HclOxycodone Hcl14516
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12722
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl11420
LisinoprilLisinopril10741
GabapentinGabapentin10644
Albuterol Sulfate HfaAlbuterol Sulfate10036
Fluticasone PropionateFluticasone Propionate7921
Duloxetine HclDuloxetine Hcl7824
Metformin HclMetformin Hcl7824
Tizanidine HclTizanidine Hcl7420
Pantoprazole SodiumPantoprazole Sodium7326
FurosemideFurosemide6820
Lantus SolostarInsulin Glargine,hum.Rec.Anlog6416
Losartan PotassiumLosartan Potassium6226
PregabalinPregabalin6211
JardianceEmpagliflozin6117
Tramadol HclTramadol Hcl6119
Cyclobenzaprine HclCyclobenzaprine Hcl5919
OmeprazoleOmeprazole5818
Metformin Hcl ErMetformin Hcl5618
TrulicityDulaglutide5515
Metoprolol SuccinateMetoprolol Succinate5315
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5215
EliquisApixaban4712
CarvedilolCarvedilol4414
Metoprolol TartrateMetoprolol Tartrate43suppressed
MirtazapineMirtazapine4219
Diclofenac SodiumDiclofenac Sodium3914
Sertraline HclSertraline Hcl37suppressed
Levothyroxine SodiumLevothyroxine Sodium3614
Tamsulosin HclTamsulosin Hcl36suppressed
Trazodone HclTrazodone Hcl36suppressed
Quetiapine FumarateQuetiapine Fumarate34suppressed
HydrochlorothiazideHydrochlorothiazide3316
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide33suppressed
SpironolactoneSpironolactone3212
SuboxoneBuprenorphine Hcl/Naloxone Hcl32suppressed
Insulin Lispro Protamine MixInsulin Lispro Protamin/Lispro31suppressed
Rosuvastatin CalciumRosuvastatin Calcium30suppressed
Morphine Sulfate ErMorphine Sulfate29suppressed
AllopurinolAllopurinol28suppressed
ChlorthalidoneChlorthalidone26suppressed
Amitriptyline HclAmitriptyline Hcl25suppressed
Bupropion XlBupropion Hcl25suppressed
OzempicSemaglutide25suppressed
Fluoxetine HclFluoxetine Hcl24suppressed
NaproxenNaproxen24suppressed
Advair HfaFluticasone Propion/Salmeterol23suppressed
HydrocortisoneHydrocortisone22suppressed
LinzessLinaclotide22suppressed
ValacyclovirValacyclovir Hcl22suppressed
Hydroxyzine HclHydroxyzine Hcl21suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro21suppressed
Potassium ChloridePotassium Chloride21suppressed
AripiprazoleAripiprazole20suppressed
Buspirone HclBuspirone Hcl20suppressed
Pravastatin SodiumPravastatin Sodium20suppressed
TopiramateTopiramate20suppressed
Donepezil HclDonepezil Hcl18suppressed
Triamcinolone AcetonideTriamcinolone Acetonide17suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
Acetaminophen-CodeineAcetaminophen With Codeine15suppressed
IbuprofenIbuprofen15suppressed
Tresiba Flextouch U-100Insulin Degludec15suppressed
EntrestoSacubitril/Valsartan14suppressed
Escitalopram OxalateEscitalopram Oxalate14suppressed
LevetiracetamLevetiracetam14suppressed
Zolpidem TartrateZolpidem Tartrate14suppressed
ClonazepamClonazepam13suppressed
Doxazosin MesylateDoxazosin Mesylate13suppressed
SimvastatinSimvastatin13suppressed
ClopidogrelClopidogrel Bisulfate12suppressed
Comfort Ez Pen NeedlePen Needle, Diabetic12suppressed
FamotidineFamotidine12suppressed
Hydromorphone HclHydromorphone Hcl12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
Prazosin HclPrazosin Hcl12suppressed
PrednisonePrednisone1212
SymbicortBudesonide/Formoterol Fumarate12suppressed
Xtampza ErOxycodone Myristate12suppressed
AzithromycinAzithromycin11suppressed
NystatinNystatin11suppressed
SublocadeBuprenorphine11suppressed

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