Healthcare provider profile · identity verified

David Emanuel Johnson, MD

Internal Medicine · OGEMA, MN · NPI 1952389306

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 Calcium18922
LisinoprilLisinopril13016
GabapentinGabapentin10516
Amlodipine BesylateAmlodipine Besylate10017
JardianceEmpagliflozin97suppressed
Losartan PotassiumLosartan Potassium9415
OmeprazoleOmeprazole8016
Albuterol Sulfate HfaAlbuterol Sulfate7517
Metformin Hcl ErMetformin Hcl7111
Lantus SolostarInsulin Glargine,hum.Rec.Anlog69suppressed
Wixela InhubFluticasone Propion/Salmeterol6111
Pantoprazole SodiumPantoprazole Sodium59suppressed
SynthroidLevothyroxine Sodium59suppressed
OzempicSemaglutide58suppressed
Trazodone HclTrazodone Hcl58suppressed
Montelukast SodiumMontelukast Sodium56suppressed
FurosemideFurosemide5411
HydrochlorothiazideHydrochlorothiazide54suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl54suppressed
Rosuvastatin CalciumRosuvastatin Calcium54suppressed
ClopidogrelClopidogrel Bisulfate52suppressed
Spiriva RespimatTiotropium Bromide52suppressed
SimvastatinSimvastatin48suppressed
Hydroxyzine HclHydroxyzine Hcl45suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate41suppressed
Oxybutynin ChlorideOxybutynin Chloride41suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic3612
CarvedilolCarvedilol31suppressed
Escitalopram OxalateEscitalopram Oxalate31suppressed
Duloxetine HclDuloxetine Hcl28suppressed
Metformin HclMetformin Hcl28suppressed
FinasterideFinasteride27suppressed
Tamsulosin HclTamsulosin Hcl27suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl26suppressed
FamotidineFamotidine24suppressed
Metoprolol SuccinateMetoprolol Succinate23suppressed
LidocaineLidocaine22suppressed
Buspirone HclBuspirone Hcl21suppressed
Quetiapine FumarateQuetiapine Fumarate21suppressed
Diclofenac SodiumDiclofenac Sodium19suppressed
Fluticasone PropionateFluticasone Propionate19suppressed
Metoprolol TartrateMetoprolol Tartrate19suppressed
PregabalinPregabalin19suppressed
Venlafaxine Hcl ErVenlafaxine Hcl19suppressed
EliquisApixaban18suppressed
IbuprofenIbuprofen18suppressed
XifaxanRifaximin18suppressed
AtenololAtenolol17suppressed
AllopurinolAllopurinol16suppressed
Potassium ChloridePotassium Chloride16suppressed
Sertraline HclSertraline Hcl16suppressed
Fluoxetine HclFluoxetine Hcl15suppressed
LoperamideLoperamide Hcl15suppressed
MirtazapineMirtazapine15suppressed
Naltrexone HclNaltrexone Hcl14suppressed
Pravastatin SodiumPravastatin Sodium14suppressed
Triamcinolone AcetonideTriamcinolone Acetonide14suppressed
ClonidineClonidine13suppressed
EzetimibeEzetimibe13suppressed
GlipizideGlipizide13suppressed
Meclizine HclMeclizine Hcl13suppressed
Tramadol HclTramadol Hcl13suppressed
Bupropion XlBupropion Hcl12suppressed
Doxazosin MesylateDoxazosin Mesylate12suppressed
Doxepin HclDoxepin Hcl12suppressed
NystatinNystatin12suppressed
Paroxetine HclParoxetine Hcl12suppressed
XareltoRivaroxaban12suppressed
Glipizide ErGlipizide11suppressed
LamotrigineLamotrigine11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
Varenicline TartrateVarenicline Tartrate11suppressed

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