Healthcare provider profile · identity verified

Marshall John Bales, M.D.

Psychiatry · WINNEBAGO, WI · NPI 1467494211

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
Quetiapine FumarateQuetiapine Fumarate62672
HaloperidolHaloperidol39446
LorazepamLorazepam38949
RisperidoneRisperidone38747
Benztropine MesylateBenztropine Mesylate37942
OlanzapineOlanzapine37741
Trazodone HclTrazodone Hcl36748
ClozapineClozapine29323
ClonazepamClonazepam24532
AripiprazoleAripiprazole24134
Trihexyphenidyl HclTrihexyphenidyl Hcl23828
Sertraline HclSertraline Hcl23330
Fluoxetine HclFluoxetine Hcl23131
LamotrigineLamotrigine19725
OxcarbazepineOxcarbazepine17619
Lithium CarbonateLithium Carbonate16018
Divalproex Sodium ErDivalproex Sodium13418
Fluphenazine HclFluphenazine Hcl13314
GabapentinGabapentin12913
Haloperidol DecanoateHaloperidol Decanoate12012
Citalopram HbrCitalopram Hydrobromide10816
AlprazolamAlprazolam10517
Ziprasidone HclZiprasidone Hcl77suppressed
Divalproex SodiumDivalproex Sodium7413
Venlafaxine Hcl ErVenlafaxine Hcl73suppressed
Invega SustennaPaliperidone Palmitate70suppressed
Hydroxyzine HclHydroxyzine Hcl6514
Abilify MaintenaAripiprazole61suppressed
Paliperidone ErPaliperidone60suppressed
MirtazapineMirtazapine58suppressed
Zolpidem TartrateZolpidem Tartrate58suppressed
Escitalopram OxalateEscitalopram Oxalate57suppressed
Paroxetine HclParoxetine Hcl56suppressed
Risperdal ConstaRisperidone Microspheres55suppressed
Bupropion XlBupropion Hcl53suppressed
DiazepamDiazepam53suppressed
Bupropion HclBupropion Hcl51suppressed
Propranolol HclPropranolol Hcl49suppressed
Prazosin HclPrazosin Hcl47suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine4515
Lithium Carbonate ErLithium Carbonate40suppressed
Buspirone HclBuspirone Hcl33suppressed
Chlorpromazine HclChlorpromazine Hcl33suppressed
Lurasidone HclLurasidone Hcl30suppressed
Bupropion Hcl SrBupropion Hcl28suppressed
Duloxetine HclDuloxetine Hcl28suppressed
VyvanseLisdexamfetamine Dimesylate25suppressed
Clozapine OdtClozapine22suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine21suppressed
TopiramateTopiramate21suppressed
Memantine HclMemantine Hcl20suppressed
Lisdexamfetamine DimesylateLisdexamfetamine Dimesylate18suppressed
Fluvoxamine MaleateFluvoxamine Maleate15suppressed
RexultiBrexpiprazole15suppressed
CarbamazepineCarbamazepine14suppressed
Clonidine HclClonidine Hcl14suppressed
LybalviOlanzapine/Samidorphan Malate14suppressed
Nortriptyline HclNortriptyline Hcl14suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl14suppressed
Carbamazepine ErCarbamazepine13suppressed
Desipramine HclDesipramine Hcl13suppressed
Fluphenazine DecanoateFluphenazine Decanoate13suppressed
FocalinDexmethylphenidate Hcl13suppressed
Guanfacine Hcl ErGuanfacine Hcl13suppressed
OmeprazoleOmeprazole13suppressed
PimozidePimozide13suppressed
Venlafaxine HclVenlafaxine Hcl13suppressed
VivitrolNaltrexone Microspheres13suppressed
IngrezzaValbenazine Tosylate12suppressed
Propranolol Hcl ErPropranolol Hcl12suppressed
Amitriptyline HclAmitriptyline Hcl11suppressed
ModafinilModafinil11suppressed

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