Healthcare provider profile · identity verified

Margaret L Upell, MD

Family Practice · EAGLE BUTTE, SD · NPI 1043284714

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
LisinoprilLisinopril21225
OmeprazoleOmeprazole21032
Levothyroxine SodiumLevothyroxine Sodium19718
Metoprolol SuccinateMetoprolol Succinate17622
MeloxicamMeloxicam17015
Atorvastatin CalciumAtorvastatin Calcium16024
FurosemideFurosemide16024
Tamsulosin HclTamsulosin Hcl15221
Fluoxetine HclFluoxetine Hcl145suppressed
Amlodipine BesylateAmlodipine Besylate14121
Pantoprazole SodiumPantoprazole Sodium113suppressed
Losartan PotassiumLosartan Potassium11120
HydrochlorothiazideHydrochlorothiazide10712
Tramadol HclTramadol Hcl10723
GabapentinGabapentin90suppressed
SimvastatinSimvastatin8713
MirtazapineMirtazapine86suppressed
Potassium ChloridePotassium Chloride8611
Metformin HclMetformin Hcl7813
EliquisApixaban72suppressed
Rosuvastatin CalciumRosuvastatin Calcium67suppressed
LevetiracetamLevetiracetam65suppressed
FamotidineFamotidine63suppressed
Sertraline HclSertraline Hcl61suppressed
Citalopram HbrCitalopram Hydrobromide60suppressed
ClopidogrelClopidogrel Bisulfate53suppressed
Escitalopram OxalateEscitalopram Oxalate53suppressed
LactuloseLactulose52suppressed
Triamcinolone AcetonideTriamcinolone Acetonide5212
Hydralazine HclHydralazine Hcl49suppressed
NystatinNystatin46suppressed
Fluticasone PropionateFluticasone Propionate42suppressed
CarvedilolCarvedilol41suppressed
PrednisonePrednisone4121
Warfarin SodiumWarfarin Sodium41suppressed
BaclofenBaclofen38suppressed
Divalproex SodiumDivalproex Sodium38suppressed
JardianceEmpagliflozin38suppressed
LorazepamLorazepam38suppressed
Trazodone HclTrazodone Hcl37suppressed
LamotrigineLamotrigine36suppressed
Diclofenac SodiumDiclofenac Sodium3511
Zolpidem TartrateZolpidem Tartrate33suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate31suppressed
Oxybutynin ChlorideOxybutynin Chloride31suppressed
AllopurinolAllopurinol29suppressed
SpironolactoneSpironolactone29suppressed
Montelukast SodiumMontelukast Sodium28suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl26suppressed
Oxybutynin Chloride ErOxybutynin Chloride26suppressed
GlipizideGlipizide25suppressed
IrbesartanIrbesartan24suppressed
Methenamine HippurateMethenamine Hippurate24suppressed
SotalolSotalol Hcl24suppressed
TopiramateTopiramate24suppressed
Unifine Safecontrol Pen NeedlePen Needle,dual Safety,diabetc24suppressed
Pioglitazone HclPioglitazone Hcl23suppressed
Quetiapine FumarateQuetiapine Fumarate23suppressed
SynthroidLevothyroxine Sodium23suppressed
LevofloxacinLevofloxacin2217
Calcium AcetateCalcium Acetate21suppressed
ClarithromycinClarithromycin2114
HydroxyureaHydroxyurea21suppressed
LatanoprostLatanoprost21suppressed
Folic AcidFolic Acid20suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate20suppressed
Prazosin HclPrazosin Hcl20suppressed
Propranolol HclPropranolol Hcl20suppressed
XifaxanRifaximin20suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium18suppressed
AzithromycinAzithromycin1614
BumetanideBumetanide15suppressed
Clonidine HclClonidine Hcl15suppressed
Ropinirole HclRopinirole Hcl15suppressed
Brimonidine TartrateBrimonidine Tartrate14suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst14suppressed
Nystatin-TriamcinoloneNystatin/Triamcinolone Acet14suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter14suppressed
Amiodarone HclAmiodarone Hcl13suppressed
Buspirone HclBuspirone Hcl13suppressed
LoperamideLoperamide Hcl13suppressed
M-Natal PlusPnv,calcium 72/Iron/Folic Acid13suppressed
MethocarbamolMethocarbamol13suppressed
Timolol MaleateTimolol Maleate13suppressed
TorsemideTorsemide13suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip12suppressed
Combivent RespimatIpratropium/Albuterol Sulfate12suppressed
Diltiazem 24hr ErDiltiazem Hcl12suppressed
OzempicSemaglutide12suppressed
PregabalinPregabalin12suppressed

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