Healthcare provider profile · identity verified

Timothy Olson, MD

Psychiatry · DES MOINES, IA · NPI 1457330474

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
ClonazepamClonazepam53756
Quetiapine FumarateQuetiapine Fumarate45748
Escitalopram OxalateEscitalopram Oxalate41748
RisperidoneRisperidone37535
LorazepamLorazepam37037
Buspirone HclBuspirone Hcl31344
AripiprazoleAripiprazole31237
AlprazolamAlprazolam31131
Sertraline HclSertraline Hcl30846
OlanzapineOlanzapine29530
Bupropion XlBupropion Hcl23837
Divalproex Sodium ErDivalproex Sodium23429
Trazodone HclTrazodone Hcl22939
Fluoxetine HclFluoxetine Hcl21820
ClozapineClozapine20316
Benztropine MesylateBenztropine Mesylate19222
Venlafaxine Hcl ErVenlafaxine Hcl18219
LamotrigineLamotrigine15724
Divalproex SodiumDivalproex Sodium14914
MirtazapineMirtazapine14922
Duloxetine HclDuloxetine Hcl13720
DiazepamDiazepam13415
Bupropion Hcl SrBupropion Hcl11815
Ziprasidone HclZiprasidone Hcl11811
Hydroxyzine PamoateHydroxyzine Pamoate11516
Paroxetine HclParoxetine Hcl11515
Citalopram HbrCitalopram Hydrobromide11317
HaloperidolHaloperidol9412
Zolpidem TartrateZolpidem Tartrate8013
Hydroxyzine HclHydroxyzine Hcl7214
Clonidine HclClonidine Hcl62suppressed
VraylarCariprazine Hcl59suppressed
Lurasidone HclLurasidone Hcl57suppressed
Paliperidone ErPaliperidone52suppressed
Propranolol HclPropranolol Hcl52suppressed
Fluvoxamine MaleateFluvoxamine Maleate50suppressed
Invega SustennaPaliperidone Palmitate50suppressed
Lithium Carbonate ErLithium Carbonate43suppressed
Prazosin HclPrazosin Hcl38suppressed
Quetiapine Fumarate ErQuetiapine Fumarate34suppressed
PerphenazinePerphenazine33suppressed
Lithium CarbonateLithium Carbonate32suppressed
Memantine HclMemantine Hcl27suppressed
Methylphenidate ErMethylphenidate Hcl26suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine24suppressed
AristadaAripiprazole Lauroxil23suppressed
Thioridazine HclThioridazine Hcl23suppressed
VyvanseLisdexamfetamine Dimesylate23suppressed
AustedoDeutetrabenazine22suppressed
Methylphenidate HclMethylphenidate Hcl19suppressed
Amlodipine BesylateAmlodipine Besylate18suppressed
Lisdexamfetamine DimesylateLisdexamfetamine Dimesylate18suppressed
Risperidone ErRisperidone Microspheres17suppressed
Doxepin HclDoxepin Hcl16suppressed
Donepezil HclDonepezil Hcl15suppressed
Haloperidol DecanoateHaloperidol Decanoate15suppressed
ThiothixeneThiothixene15suppressed
Trihexyphenidyl HclTrihexyphenidyl Hcl15suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine13suppressed
Risperidone OdtRisperidone13suppressed
Valproic AcidValproic Acid (As Sodium Salt)13suppressed
Clomipramine HclClomipramine Hcl12suppressed
GlycopyrrolateGlycopyrrolate12suppressed
RexultiBrexpiprazole12suppressed
TopiramateTopiramate12suppressed

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