Healthcare provider profile · identity verified

David V Maruska, MD

Family Practice · OSHKOSH, WI · NPI 1508848847

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 Calcium25576
LisinoprilLisinopril22164
Metformin HclMetformin Hcl18747
Amlodipine BesylateAmlodipine Besylate16248
Levothyroxine SodiumLevothyroxine Sodium16241
OmeprazoleOmeprazole15950
Metoprolol SuccinateMetoprolol Succinate15844
SimvastatinSimvastatin14942
HydrochlorothiazideHydrochlorothiazide13642
GabapentinGabapentin12329
Sertraline HclSertraline Hcl9828
Pioglitazone HclPioglitazone Hcl9324
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8825
Losartan PotassiumLosartan Potassium8728
Fluticasone PropionateFluticasone Propionate8532
Albuterol Sulfate HfaAlbuterol Sulfate8423
Metoprolol TartrateMetoprolol Tartrate8027
Pravastatin SodiumPravastatin Sodium7923
Pantoprazole SodiumPantoprazole Sodium7627
Oxybutynin Chloride ErOxybutynin Chloride6117
Tamsulosin HclTamsulosin Hcl5916
LovastatinLovastatin5617
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5317
Glipizide ErGlipizide5216
Warfarin SodiumWarfarin Sodium5017
Alendronate SodiumAlendronate Sodium4716
FurosemideFurosemide4717
AllopurinolAllopurinol4513
Trazodone HclTrazodone Hcl4312
Rosuvastatin CalciumRosuvastatin Calcium4213
Tramadol HclTramadol Hcl4214
GemfibrozilGemfibrozil39suppressed
ClopidogrelClopidogrel Bisulfate3811
EliquisApixaban3814
Amiloride HclAmiloride Hcl36suppressed
GlipizideGlipizide3613
FinasterideFinasteride3511
Potassium ChloridePotassium Chloride35suppressed
Fluoxetine HclFluoxetine Hcl3311
Escitalopram OxalateEscitalopram Oxalate3111
EzetimibeEzetimibe31suppressed
GlimepirideGlimepiride31suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide31suppressed
MeloxicamMeloxicam30suppressed
PregabalinPregabalin29suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog28suppressed
PrednisonePrednisone2823
Triamcinolone AcetonideTriamcinolone Acetonide2820
Doxazosin MesylateDoxazosin Mesylate27suppressed
Sumatriptan SuccinateSumatriptan Succinate27suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl25suppressed
Duloxetine HclDuloxetine Hcl24suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol2411
BumetanideBumetanide22suppressed
Citalopram HbrCitalopram Hydrobromide22suppressed
Metformin Hcl ErMetformin Hcl22suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen22suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl21suppressed
JanuviaSitagliptin Phosphate21suppressed
LorazepamLorazepam21suppressed
Paroxetine HclParoxetine Hcl20suppressed
SynthroidLevothyroxine Sodium20suppressed
TrulicityDulaglutide20suppressed
Montelukast SodiumMontelukast Sodium19suppressed
Wixela InhubFluticasone Propion/Salmeterol19suppressed
Ropinirole HclRopinirole Hcl18suppressed
Zolpidem TartrateZolpidem Tartrate18suppressed
CarvedilolCarvedilol17suppressed
CelecoxibCelecoxib17suppressed
FenofibrateFenofibrate Nanocrystallized17suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
Albuterol SulfateAlbuterol Sulfate15suppressed
Ammonium LactateAmmonium Lactate15suppressed
Oxycodone HclOxycodone Hcl15suppressed
Tizanidine HclTizanidine Hcl15suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
Doxycycline HyclateDoxycycline Hyclate13suppressed
IbuprofenIbuprofen13suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate13suppressed
Ondansetron HclOndansetron Hcl13suppressed
OzempicSemaglutide13suppressed
Propranolol Hcl ErPropranolol Hcl13suppressed
FamotidineFamotidine12suppressed
MyrbetriqMirabegron12suppressed
Spiriva RespimatTiotropium Bromide12suppressed
Advair HfaFluticasone Propion/Salmeterol11suppressed
Bydureon BciseExenatide Microspheres11suppressed
Carbidopa-LevodopaCarbidopa/Levodopa11suppressed
Clonidine HclClonidine Hcl11suppressed
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat11suppressed
Doxycycline MonohydrateDoxycycline Monohydrate11suppressed
EstradiolEstradiol11suppressed
Risedronate SodiumRisedronate Sodium11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed

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