Healthcare provider profile · identity verified

Mark E. Deyo-Svendsen, M.D.

Family Practice · MENOMONIE, WI · NPI 1124077839

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 Calcium22573
LisinoprilLisinopril16458
GabapentinGabapentin13634
TrulicityDulaglutide11821
Amlodipine BesylateAmlodipine Besylate11639
OmeprazoleOmeprazole11232
Metoprolol SuccinateMetoprolol Succinate9532
Rosuvastatin CalciumRosuvastatin Calcium9234
Levothyroxine SodiumLevothyroxine Sodium8530
Losartan PotassiumLosartan Potassium8327
FurosemideFurosemide8119
Metformin Hcl ErMetformin Hcl7427
SimvastatinSimvastatin7423
Trazodone HclTrazodone Hcl6321
FamotidineFamotidine6216
Metoprolol TartrateMetoprolol Tartrate6121
Potassium ChloridePotassium Chloride6115
Citalopram HbrCitalopram Hydrobromide59suppressed
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl57suppressed
MounjaroTirzepatide5616
Alendronate SodiumAlendronate Sodium4812
Fluticasone PropionateFluticasone Propionate4714
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4715
HydrochlorothiazideHydrochlorothiazide4617
JardianceEmpagliflozin4519
Albuterol Sulfate HfaAlbuterol Sulfate4419
Triamcinolone AcetonideTriamcinolone Acetonide4423
Sertraline HclSertraline Hcl4315
Hydroxyzine HclHydroxyzine Hcl42suppressed
Metformin HclMetformin Hcl42suppressed
FarxigaDapagliflozin Propanediol40suppressed
ClonazepamClonazepam38suppressed
Pantoprazole SodiumPantoprazole Sodium3712
EliquisApixaban36suppressed
Glipizide ErGlipizide36suppressed
Warfarin SodiumWarfarin Sodium34suppressed
Pravastatin SodiumPravastatin Sodium33suppressed
Tramadol HclTramadol Hcl32suppressed
Fluoxetine HclFluoxetine Hcl31suppressed
AllopurinolAllopurinol28suppressed
PrednisonePrednisone27suppressed
Buprenorphine HclBuprenorphine Hcl26suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid2611
Diclofenac SodiumDiclofenac Sodium25suppressed
Zolpidem TartrateZolpidem Tartrate25suppressed
Quetiapine FumarateQuetiapine Fumarate24suppressed
ClopidogrelClopidogrel Bisulfate23suppressed
Montelukast SodiumMontelukast Sodium23suppressed
Duloxetine HclDuloxetine Hcl22suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog22suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide22suppressed
Bupropion XlBupropion Hcl20suppressed
LansoprazoleLansoprazole20suppressed
MeloxicamMeloxicam20suppressed
Tamsulosin HclTamsulosin Hcl20suppressed
TopiramateTopiramate20suppressed
AtenololAtenolol19suppressed
Oxybutynin Chloride ErOxybutynin Chloride19suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen19suppressed
CarvedilolCarvedilol18suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl18suppressed
Nifedipine ErNifedipine18suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol17suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter17suppressed
AripiprazoleAripiprazole16suppressed
Candesartan CilexetilCandesartan Cilexetil16suppressed
Bisoprolol FumarateBisoprolol Fumarate15suppressed
Donepezil HclDonepezil Hcl15suppressed
Escitalopram OxalateEscitalopram Oxalate15suppressed
Hydralazine HclHydralazine Hcl15suppressed
LorazepamLorazepam15suppressed
Ondansetron HclOndansetron Hcl15suppressed
SymbicortBudesonide/Formoterol Fumarate15suppressed
Buspirone HclBuspirone Hcl14suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate14suppressed
RybelsusSemaglutide14suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate13suppressed
Humulin 70/30 KwikpenInsulin Nph Hum/Reg Insulin Hm13suppressed
KetoconazoleKetoconazole13suppressed
LevetiracetamLevetiracetam13suppressed
RamelteonRamelteon13suppressed
Solifenacin SuccinateSolifenacin Succinate13suppressed
SpironolactoneSpironolactone13suppressed
Ventolin HfaAlbuterol Sulfate13suppressed
ZubsolvBuprenorphine Hcl/Naloxone Hcl13suppressed
Arnuity ElliptaFluticasone Furoate12suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl12suppressed
Ibandronate SodiumIbandronate Sodium12suppressed
Klor-Con M10Potassium Chloride12suppressed
ValacyclovirValacyclovir Hcl12suppressed
Dicyclomine HclDicyclomine Hcl11suppressed
DuleraMometasone/Formoterol11suppressed
EstradiolEstradiol11suppressed
Lidocaine HclLidocaine Hcl11suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
PregabalinPregabalin11suppressed
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