Healthcare provider profile · identity verified

John O Lipkin, M.D.

Psychiatry · EUGENE, OR · NPI 1235106980

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
ClonazepamClonazepam12923
Quetiapine FumarateQuetiapine Fumarate11517
Zolpidem TartrateZolpidem Tartrate11117
Trazodone HclTrazodone Hcl9617
VraylarCariprazine Hcl9615
Bupropion XlBupropion Hcl8912
LamotrigineLamotrigine8918
LorazepamLorazepam8417
AripiprazoleAripiprazole7616
Quetiapine Fumarate ErQuetiapine Fumarate75suppressed
Buspirone HclBuspirone Hcl5611
Fluoxetine HclFluoxetine Hcl55suppressed
RisperidoneRisperidone55suppressed
DiazepamDiazepam47suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine4611
Sertraline HclSertraline Hcl42suppressed
OlanzapineOlanzapine39suppressed
GabapentinGabapentin35suppressed
Prazosin HclPrazosin Hcl34suppressed
AlprazolamAlprazolam32suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine31suppressed
Duloxetine HclDuloxetine Hcl30suppressed
TopiramateTopiramate29suppressed
Escitalopram OxalateEscitalopram Oxalate28suppressed
MirtazapineMirtazapine28suppressed
Bupropion Hcl SrBupropion Hcl27suppressed
Citalopram HbrCitalopram Hydrobromide26suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen26suppressed
Bupropion HclBupropion Hcl25suppressed
Propranolol HclPropranolol Hcl25suppressed
Oxycodone HclOxycodone Hcl23suppressed
Venlafaxine Hcl ErVenlafaxine Hcl23suppressed
Amitriptyline HclAmitriptyline Hcl22suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate22suppressed
MethocarbamolMethocarbamol20suppressed
TemazepamTemazepam20suppressed
Propranolol Hcl ErPropranolol Hcl19suppressed
Promethazine HclPromethazine Hcl16suppressed
Asenapine MaleateAsenapine Maleate15suppressed
Levothyroxine SodiumLevothyroxine Sodium15suppressed
OxcarbazepineOxcarbazepine15suppressed
Benztropine MesylateBenztropine Mesylate14suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl14suppressed
EliquisApixaban13suppressed
Lithium Carbonate ErLithium Carbonate13suppressed
Methylphenidate HclMethylphenidate Hcl13suppressed
Donepezil HclDonepezil Hcl12suppressed
Hydroxyzine PamoateHydroxyzine Pamoate12suppressed
Divalproex Sodium ErDivalproex Sodium11suppressed
Hydroxyzine HclHydroxyzine Hcl11suppressed
Lurasidone HclLurasidone Hcl11suppressed

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