Healthcare provider profile · identity verified

Aaron L Peimann, MD

Family Practice · FORT DODGE, IA · NPI 1336111657

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 Calcium542148
OmeprazoleOmeprazole30283
Levothyroxine SodiumLevothyroxine Sodium29369
Amlodipine BesylateAmlodipine Besylate26475
Rosuvastatin CalciumRosuvastatin Calcium24767
LisinoprilLisinopril23861
Metoprolol SuccinateMetoprolol Succinate22559
Metformin Hcl ErMetformin Hcl21755
ValsartanValsartan19148
SimvastatinSimvastatin18850
MeloxicamMeloxicam14757
JardianceEmpagliflozin13127
EliquisApixaban12620
Sertraline HclSertraline Hcl12234
HydrochlorothiazideHydrochlorothiazide12033
Tamsulosin HclTamsulosin Hcl11531
Escitalopram OxalateEscitalopram Oxalate11431
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide10925
GabapentinGabapentin10823
Losartan PotassiumLosartan Potassium9830
FurosemideFurosemide9629
CefdinirCefdinir9383
AllopurinolAllopurinol9223
FamotidineFamotidine8725
Albuterol Sulfate HfaAlbuterol Sulfate8333
Metformin HclMetformin Hcl8322
Zolpidem TartrateZolpidem Tartrate7815
Potassium ChloridePotassium Chloride7621
Pantoprazole SodiumPantoprazole Sodium7224
Glipizide ErGlipizide6514
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide6514
Trazodone HclTrazodone Hcl6316
Metoprolol TartrateMetoprolol Tartrate6217
Pravastatin SodiumPravastatin Sodium6115
Fluticasone PropionateFluticasone Propionate6013
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr56suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5523
PrednisonePrednisone5549
Bupropion XlBupropion Hcl5012
OzempicSemaglutide50suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4912
Montelukast SodiumMontelukast Sodium4915
Ropinirole HclRopinirole Hcl47suppressed
PregabalinPregabalin4514
Hydroxyzine HclHydroxyzine Hcl4313
Duloxetine HclDuloxetine Hcl4216
FinasterideFinasteride4211
Venlafaxine Hcl ErVenlafaxine Hcl42suppressed
Tramadol HclTramadol Hcl4115
IrbesartanIrbesartan4012
CelecoxibCelecoxib38suppressed
Warfarin SodiumWarfarin Sodium38suppressed
Citalopram HbrCitalopram Hydrobromide37suppressed
XareltoRivaroxaban36suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3418
Enalapril MaleateEnalapril Maleate34suppressed
GlimepirideGlimepiride28suppressed
LovastatinLovastatin27suppressed
Nortriptyline HclNortriptyline Hcl27suppressed
Pioglitazone HclPioglitazone Hcl27suppressed
Sumatriptan SuccinateSumatriptan Succinate27suppressed
CarvedilolCarvedilol26suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl25suppressed
SpironolactoneSpironolactone25suppressed
Tresiba Flextouch U-100Insulin Degludec25suppressed
Donepezil HclDonepezil Hcl24suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog24suppressed
Amitriptyline HclAmitriptyline Hcl22suppressed
LumiganBimatoprost21suppressed
RamiprilRamipril21suppressed
MupirocinMupirocin2015
Trelegy ElliptaFluticasone/Umeclidin/Vilanter20suppressed
TrulicityDulaglutide20suppressed
Benazepril HclBenazepril Hcl19suppressed
MyrbetriqMirabegron19suppressed
Ondansetron HclOndansetron Hcl1914
Solifenacin SuccinateSolifenacin Succinate19suppressed
TopiramateTopiramate19suppressed
Ventolin HfaAlbuterol Sulfate19suppressed
Buspirone HclBuspirone Hcl18suppressed
DutasterideDutasteride18suppressed
KetoconazoleKetoconazole18suppressed
Bisoprolol FumarateBisoprolol Fumarate17suppressed
Naltrexone HclNaltrexone Hcl17suppressed
AzithromycinAzithromycin1513
Oxybutynin Chloride ErOxybutynin Chloride15suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide14suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide13suppressed
JanuviaSitagliptin Phosphate13suppressed
MethylprednisoloneMethylprednisolone1313
Propranolol HclPropranolol Hcl13suppressed
Betamethasone DipropionateBetamethasone Dipropionate12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
EntrestoSacubitril/Valsartan12suppressed
EszopicloneEszopiclone12suppressed
GlycopyrrolateGlycopyrrolate12suppressed
NitroglycerinNitroglycerin12suppressed
Olmesartan MedoxomilOlmesartan Medoxomil12suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Chlorhexidine GluconateChlorhexidine Gluconate11suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine11suppressed
Dilt-XrDiltiazem Hcl11suppressed
Hydralazine HclHydralazine Hcl11suppressed
Meclizine HclMeclizine Hcl11suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen11suppressed
Paroxetine HclParoxetine Hcl11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed
Zolpidem Tartrate ErZolpidem 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