Healthcare provider profile · identity verified

Alisa M Olson, D.O.

Family Practice · SIOUX CITY, IA · NPI 1164743357

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 Calcium33888
Levothyroxine SodiumLevothyroxine Sodium32970
OmeprazoleOmeprazole25456
LisinoprilLisinopril17342
Pantoprazole SodiumPantoprazole Sodium16238
Escitalopram OxalateEscitalopram Oxalate15332
Amlodipine BesylateAmlodipine Besylate15246
Trazodone HclTrazodone Hcl14033
Montelukast SodiumMontelukast Sodium13624
HydrochlorothiazideHydrochlorothiazide12034
OzempicSemaglutide12019
GabapentinGabapentin11927
Losartan PotassiumLosartan Potassium11030
Alendronate SodiumAlendronate Sodium10628
Metoprolol SuccinateMetoprolol Succinate9721
Rosuvastatin CalciumRosuvastatin Calcium9522
FurosemideFurosemide9227
SimvastatinSimvastatin8715
Sertraline HclSertraline Hcl7917
Albuterol Sulfate HfaAlbuterol Sulfate7729
PregabalinPregabalin7613
EliquisApixaban7511
AllopurinolAllopurinol7417
Fluticasone PropionateFluticasone Propionate7324
Potassium ChloridePotassium Chloride6420
XareltoRivaroxaban63suppressed
MeloxicamMeloxicam6211
Metformin HclMetformin Hcl6016
Zolpidem TartrateZolpidem Tartrate6013
Fluoxetine HclFluoxetine Hcl55suppressed
Tramadol HclTramadol Hcl5415
Donepezil HclDonepezil Hcl5311
CarvedilolCarvedilol5013
Pravastatin SodiumPravastatin Sodium5012
Warfarin SodiumWarfarin Sodium49suppressed
Duloxetine HclDuloxetine Hcl45suppressed
Buspirone HclBuspirone Hcl42suppressed
Ropinirole HclRopinirole Hcl41suppressed
Amitriptyline HclAmitriptyline Hcl39suppressed
Metformin Hcl ErMetformin Hcl3811
Trelegy ElliptaFluticasone/Umeclidin/Vilanter37suppressed
MirtazapineMirtazapine35suppressed
CephalexinCephalexin3420
SpironolactoneSpironolactone34suppressed
AlprazolamAlprazolam3314
Tamsulosin HclTamsulosin Hcl3311
Doxycycline HyclateDoxycycline Hyclate3121
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate31suppressed
MounjaroTirzepatide31suppressed
Oxybutynin Chloride ErOxybutynin Chloride31suppressed
Venlafaxine Hcl ErVenlafaxine Hcl30suppressed
FamotidineFamotidine29suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2912
LinzessLinaclotide29suppressed
NystatinNystatin2917
Citalopram HbrCitalopram Hydrobromide28suppressed
Quetiapine FumarateQuetiapine Fumarate28suppressed
ClonazepamClonazepam27suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl27suppressed
LorazepamLorazepam27suppressed
Metoprolol TartrateMetoprolol Tartrate27suppressed
Propranolol Hcl ErPropranolol Hcl27suppressed
Bupropion XlBupropion Hcl2513
Clonidine HclClonidine Hcl25suppressed
JardianceEmpagliflozin25suppressed
Paroxetine HclParoxetine Hcl25suppressed
Advair HfaFluticasone Propion/Salmeterol24suppressed
Breo ElliptaFluticasone/Vilanterol24suppressed
SymbicortBudesonide/Formoterol Fumarate24suppressed
Memantine HclMemantine Hcl23suppressed
ClopidogrelClopidogrel Bisulfate22suppressed
CalcitriolCalcitriol21suppressed
Dicyclomine HclDicyclomine Hcl21suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide21suppressed
PrednisonePrednisone2115
BaclofenBaclofen20suppressed
BudesonideBudesonide20suppressed
EzetimibeEzetimibe20suppressed
Oxybutynin ChlorideOxybutynin Chloride20suppressed
FinasterideFinasteride19suppressed
Propranolol HclPropranolol Hcl19suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1916
MyrbetriqMirabegron17suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium16suppressed
FenofibrateFenofibrate,micronized16suppressed
LovastatinLovastatin16suppressed
Tizanidine HclTizanidine Hcl16suppressed
Tresiba Flextouch U-100Insulin Degludec16suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
FluconazoleFluconazole15suppressed
GlipizideGlipizide15suppressed
ValacyclovirValacyclovir Hcl1511
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1412
Humalog Kwikpen U-100Insulin Lispro14suppressed
Varenicline TartrateVarenicline Tartrate14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
Hydralazine HclHydralazine Hcl13suppressed
Lithium Carbonate ErLithium Carbonate13suppressed
SotalolSotalol Hcl13suppressed
Breztri AerosphereBudesonide/Glycopyr/Formoterol12suppressed
BumetanideBumetanide12suppressed
ElmironPentosan Polysulfate Sodium12suppressed
Incruse ElliptaUmeclidinium Bromide12suppressed
IrbesartanIrbesartan12suppressed
NorethindroneNorethindrone12suppressed
PremproEstrogen,con/M-Progest Acet12suppressed
Spiriva HandihalerTiotropium Bromide12suppressed
SucralfateSucralfate12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
TopiramateTopiramate12suppressed
Tresiba Flextouch U-200Insulin Degludec12suppressed
Combivent RespimatIpratropium/Albuterol Sulfate11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
ValsartanValsartan11suppressed

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