Healthcare provider profile · identity verified

Wallace Glenn Jamison, MD

Psychiatry · ALLEGAN, MI · NPI 1215943279

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
Trazodone HclTrazodone Hcl11920
Divalproex Sodium ErDivalproex Sodium112suppressed
OlanzapineOlanzapine97suppressed
ClonazepamClonazepam8512
Sertraline HclSertraline Hcl7912
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine7512
Escitalopram OxalateEscitalopram Oxalate75suppressed
LorazepamLorazepam7213
Paliperidone ErPaliperidone66suppressed
Quetiapine FumarateQuetiapine Fumarate66suppressed
Benztropine MesylateBenztropine Mesylate61suppressed
AripiprazoleAripiprazole58suppressed
Divalproex SodiumDivalproex Sodium58suppressed
AlprazolamAlprazolam52suppressed
Buspirone HclBuspirone Hcl52suppressed
RisperidoneRisperidone51suppressed
ClozapineClozapine50suppressed
Bupropion XlBupropion Hcl48suppressed
Ziprasidone HclZiprasidone Hcl41suppressed
LamotrigineLamotrigine40suppressed
Zolpidem TartrateZolpidem Tartrate39suppressed
Fluoxetine HclFluoxetine Hcl38suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate36suppressed
Quetiapine Fumarate ErQuetiapine Fumarate30suppressed
Duloxetine HclDuloxetine Hcl27suppressed
Venlafaxine Hcl ErVenlafaxine Hcl26suppressed
Prazosin HclPrazosin Hcl25suppressed
Lurasidone HclLurasidone Hcl23suppressed
Naltrexone HclNaltrexone Hcl23suppressed
OxcarbazepineOxcarbazepine22suppressed
Propranolol HclPropranolol Hcl22suppressed
DiazepamDiazepam21suppressed
Hydroxyzine HclHydroxyzine Hcl16suppressed
Clonidine HclClonidine Hcl14suppressed
EszopicloneEszopiclone14suppressed
TopiramateTopiramate14suppressed
Bupropion Hcl SrBupropion Hcl13suppressed
BelsomraSuvorexant12suppressed
CarbamazepineCarbamazepine12suppressed
Propranolol Hcl ErPropranolol Hcl12suppressed
PregabalinPregabalin11suppressed

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