Healthcare provider profile · identity verified

Gregory J Sperle, MD

Family Practice · PARK RAPIDS, MN · NPI 1720029390

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
Metoprolol SuccinateMetoprolol Succinate25669
Atorvastatin CalciumAtorvastatin Calcium24383
Levothyroxine SodiumLevothyroxine Sodium22869
Amlodipine BesylateAmlodipine Besylate19970
OmeprazoleOmeprazole19755
LisinoprilLisinopril19155
GabapentinGabapentin18635
Losartan PotassiumLosartan Potassium17951
Metoprolol TartrateMetoprolol Tartrate17534
HydrochlorothiazideHydrochlorothiazide14952
FurosemideFurosemide12726
Donepezil HclDonepezil Hcl119suppressed
Metformin HclMetformin Hcl11627
Rosuvastatin CalciumRosuvastatin Calcium11534
FamotidineFamotidine10518
SimvastatinSimvastatin10542
Duloxetine HclDuloxetine Hcl10119
Warfarin SodiumWarfarin Sodium9632
Potassium ChloridePotassium Chloride9523
Memantine HclMemantine Hcl82suppressed
Pantoprazole SodiumPantoprazole Sodium8019
Tamsulosin HclTamsulosin Hcl7328
ClopidogrelClopidogrel Bisulfate6315
MirtazapineMirtazapine61suppressed
Trazodone HclTrazodone Hcl5620
Pravastatin SodiumPravastatin Sodium5419
AllopurinolAllopurinol5220
CarvedilolCarvedilol5214
DigoxinDigoxin52suppressed
Citalopram HbrCitalopram Hydrobromide5018
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4920
GlipizideGlipizide4717
EliquisApixaban45suppressed
Montelukast SodiumMontelukast Sodium4313
Albuterol Sulfate HfaAlbuterol Sulfate4021
SpironolactoneSpironolactone40suppressed
Buspirone HclBuspirone Hcl39suppressed
TorsemideTorsemide39suppressed
Sertraline HclSertraline Hcl3811
Breo ElliptaFluticasone/Vilanterol37suppressed
Escitalopram OxalateEscitalopram Oxalate37suppressed
Carbidopa-LevodopaCarbidopa/Levodopa35suppressed
Metformin Hcl ErMetformin Hcl3414
Diltiazem 24hr Er (Cd)Diltiazem Hcl33suppressed
EzetimibeEzetimibe30suppressed
FinasterideFinasteride30suppressed
Verapamil ErVerapamil Hcl30suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog29suppressed
Fluoxetine HclFluoxetine Hcl27suppressed
Fluticasone PropionateFluticasone Propionate27suppressed
Nortriptyline HclNortriptyline Hcl26suppressed
Divalproex SodiumDivalproex Sodium25suppressed
Ventolin HfaAlbuterol Sulfate25suppressed
AtenololAtenolol24suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid24suppressed
TrulicityDulaglutide24suppressed
MyrbetriqMirabegron23suppressed
Timolol MaleateTimolol Maleate22suppressed
Venlafaxine Hcl ErVenlafaxine Hcl22suppressed
SynthroidLevothyroxine Sodium21suppressed
RisperidoneRisperidone20suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2011
Benazepril HclBenazepril Hcl19suppressed
LatanoprostLatanoprost19suppressed
Hydralazine HclHydralazine Hcl18suppressed
Sumatriptan SuccinateSumatriptan Succinate18suppressed
Bupropion XlBupropion Hcl17suppressed
Klor-Con M20Potassium Chloride17suppressed
TopiramateTopiramate17suppressed
XareltoRivaroxaban17suppressed
BaclofenBaclofen16suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl16suppressed
EntacaponeEntacapone16suppressed
JantovenWarfarin Sodium16suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide16suppressed
LovastatinLovastatin16suppressed
AlprazolamAlprazolam15suppressed
GemfibrozilGemfibrozil15suppressed
CelecoxibCelecoxib14suppressed
BrinzolamideBrinzolamide13suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
Klor-Con M10Potassium Chloride13suppressed
Victoza 2-PakLiraglutide13suppressed
LoperamideLoperamide Hcl12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Ultra-Fine Micro Pen NeedlePen Needle, Diabetic12suppressed
AripiprazoleAripiprazole11suppressed

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