Healthcare provider profile · identity verified

Richard R Sampson, MD

Family Practice · BARRON, WI · NPI 1104882604

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 Calcium501143
Levothyroxine SodiumLevothyroxine Sodium43398
LisinoprilLisinopril36199
Amlodipine BesylateAmlodipine Besylate35388
OmeprazoleOmeprazole32585
FurosemideFurosemide32367
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen27035
Warfarin SodiumWarfarin Sodium25637
Potassium ChloridePotassium Chloride22257
GabapentinGabapentin22161
HydrochlorothiazideHydrochlorothiazide20151
Sertraline HclSertraline Hcl19637
Metformin HclMetformin Hcl19262
Metoprolol TartrateMetoprolol Tartrate18453
Losartan PotassiumLosartan Potassium18149
Tramadol HclTramadol Hcl18135
Metoprolol SuccinateMetoprolol Succinate17557
Tamsulosin HclTamsulosin Hcl16442
SimvastatinSimvastatin15145
Morphine Sulfate ErMorphine Sulfate13812
EliquisApixaban13140
Pantoprazole SodiumPantoprazole Sodium13135
AllopurinolAllopurinol12035
Rosuvastatin CalciumRosuvastatin Calcium11931
Metformin Hcl ErMetformin Hcl11234
Albuterol Sulfate HfaAlbuterol Sulfate10640
Pravastatin SodiumPravastatin Sodium10329
AlprazolamAlprazolam9915
Duloxetine HclDuloxetine Hcl8717
GlipizideGlipizide8522
ClopidogrelClopidogrel Bisulfate8424
AtenololAtenolol8227
Fluticasone PropionateFluticasone Propionate8231
Glipizide ErGlipizide8025
PregabalinPregabalin78suppressed
CarvedilolCarvedilol7520
Bupropion XlBupropion Hcl7016
Oxycodone HclOxycodone Hcl7019
FamotidineFamotidine6920
Fluoxetine HclFluoxetine Hcl6717
JardianceEmpagliflozin6516
Lantus SolostarInsulin Glargine,hum.Rec.Anlog6514
Ventolin HfaAlbuterol Sulfate6522
Trazodone HclTrazodone Hcl6320
Isosorbide Mononitrate ErIsosorbide Mononitrate6116
PrednisonePrednisone6024
EzetimibeEzetimibe5914
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog5811
Cyclobenzaprine HclCyclobenzaprine Hcl5815
MirtazapineMirtazapine5613
Venlafaxine Hcl ErVenlafaxine Hcl55suppressed
Diclofenac SodiumDiclofenac Sodium5216
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid4916
Oxybutynin Chloride ErOxybutynin Chloride48suppressed
Amitriptyline HclAmitriptyline Hcl44suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl4212
ClonazepamClonazepam41suppressed
Ropinirole HclRopinirole Hcl41suppressed
NitroglycerinNitroglycerin4019
Citalopram HbrCitalopram Hydrobromide39suppressed
Incruse ElliptaUmeclidinium Bromide38suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen38suppressed
LorazepamLorazepam3713
Quetiapine FumarateQuetiapine Fumarate36suppressed
Doxazosin MesylateDoxazosin Mesylate35suppressed
Semglee (Yfgn) PenInsulin Glargine-Yfgn35suppressed
RisperidoneRisperidone33suppressed
TorsemideTorsemide3216
AmoxicillinAmoxicillin3121
Buspirone HclBuspirone Hcl31suppressed
KetoconazoleKetoconazole3113
LevetiracetamLevetiracetam31suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide30suppressed
Methadone HclMethadone Hcl29suppressed
Paroxetine HclParoxetine Hcl29suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2918
EstradiolEstradiol28suppressed
Humalog Kwikpen U-100Insulin Lispro28suppressed
SpironolactoneSpironolactone28suppressed
Carbidopa-LevodopaCarbidopa/Levodopa27suppressed
CelecoxibCelecoxib27suppressed
FinasterideFinasteride27suppressed
GemfibrozilGemfibrozil27suppressed
Novolog FlexpenInsulin Aspart27suppressed
Pioglitazone HclPioglitazone Hcl26suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl26suppressed
TrulicityDulaglutide26suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol25suppressed
Tizanidine HclTizanidine Hcl25suppressed
Alendronate SodiumAlendronate Sodium24suppressed
MeloxicamMeloxicam24suppressed
Methylphenidate HclMethylphenidate Hcl24suppressed
PhenobarbitalPhenobarbital24suppressed
DiazepamDiazepam23suppressed
LansoprazoleLansoprazole23suppressed
Propranolol HclPropranolol Hcl22suppressed
SynthroidLevothyroxine Sodium22suppressed
Breo ElliptaFluticasone/Vilanterol21suppressed
NystatinNystatin2111
Trelegy ElliptaFluticasone/Umeclidin/Vilanter21suppressed
AzithromycinAzithromycin2016
LoperamideLoperamide Hcl20suppressed
Verapamil ErVerapamil Hcl20suppressed
LatanoprostLatanoprost19suppressed
Niacin ErNiacin19suppressed
Oxybutynin ChlorideOxybutynin Chloride19suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1813
Fiasp FlextouchInsulin Aspart (Niacinamide)17suppressed
LovastatinLovastatin17suppressed
NaproxenNaproxen17suppressed
ChlorthalidoneChlorthalidone16suppressed
FenofibrateFenofibrate Nanocrystallized16suppressed
Prazosin HclPrazosin Hcl16suppressed
ValacyclovirValacyclovir Hcl16suppressed
XareltoRivaroxaban16suppressed
MethocarbamolMethocarbamol15suppressed
NadololNadolol15suppressed
Hydroxyzine PamoateHydroxyzine Pamoate14suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide14suppressed
Nifedipine ErNifedipine14suppressed
Ondansetron OdtOndansetron14suppressed
OzempicSemaglutide14suppressed
RamiprilRamipril14suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic14suppressed
Advair HfaFluticasone Propion/Salmeterol13suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc13suppressed
AzuretteDesog-E.Estradiol/E.Estradiol13suppressed
Novolin 70-30Insulin Nph Hum/Reg Insulin Hm13suppressed
PrimidonePrimidone13suppressed
Repatha SureclickEvolocumab13suppressed
Zolpidem TartrateZolpidem Tartrate13suppressed
BumetanideBumetanide12suppressed
Donepezil HclDonepezil Hcl12suppressed
Easy Touch Alcohol Prep PadsAlcohol Antiseptic Pads12suppressed
FentanylFentanyl12suppressed
LevofloxacinLevofloxacin12suppressed
MounjaroTirzepatide12suppressed
ValsartanValsartan12suppressed
Combivent RespimatIpratropium/Albuterol Sulfate11suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro11suppressed
Klor-Con M20Potassium Chloride11suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl11suppressed
UrsodiolUrsodiol11suppressed
Venlafaxine HclVenlafaxine Hcl11suppressed

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