Healthcare provider profile · identity verified

Stephen T Gancher, MD

Neurology · PORTLAND, OR · NPI 1285741538

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
Carbidopa-LevodopaCarbidopa/Levodopa984255
Pramipexole DihydrochloridePramipexole Di-Hcl28960
ClonazepamClonazepam11823
LevetiracetamLevetiracetam11335
PrimidonePrimidone10536
GabapentinGabapentin10326
Carbidopa-Levodopa ErCarbidopa/Levodopa9328
Donepezil HclDonepezil Hcl8723
Trazodone HclTrazodone Hcl7118
LacosamideLacosamide6716
BaclofenBaclofen6612
RytaryCarbidopa/Levodopa5912
Levetiracetam ErLevetiracetam5618
TopiramateTopiramate5613
LamotrigineLamotrigine5517
AmantadineAmantadine Hcl5113
Propranolol HclPropranolol Hcl5020
Methylphenidate HclMethylphenidate Hcl39suppressed
Escitalopram OxalateEscitalopram Oxalate3611
Ropinirole HclRopinirole Hcl34suppressed
Ajovy AutoinjectorFremanezumab-Vfrm33suppressed
Carbamazepine ErCarbamazepine30suppressed
PhenobarbitalPhenobarbital28suppressed
Dextroamphetamine SulfateDextroamphetamine Sulfate27suppressed
Tizanidine HclTizanidine Hcl27suppressed
OxcarbazepineOxcarbazepine26suppressed
Naratriptan HclNaratriptan Hcl24suppressed
UbrelvyUbrogepant24suppressed
LorazepamLorazepam2313
Memantine HclMemantine Hcl23suppressed
ZonisamideZonisamide23suppressed
DiazepamDiazepam22suppressed
GlycopyrrolateGlycopyrrolate22suppressed
Benztropine MesylateBenztropine Mesylate20suppressed
Trospium ChlorideTrospium Chloride20suppressed
AlprazolamAlprazolam19suppressed
TetrabenazineTetrabenazine19suppressed
MirtazapineMirtazapine18suppressed
CarbidopaCarbidopa16suppressed
PregabalinPregabalin16suppressed
RizatriptanRizatriptan Benzoate14suppressed
Fluoxetine HclFluoxetine Hcl13suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended13suppressed
XcopriCenobamate13suppressed
OmeprazoleOmeprazole12suppressed
Selegiline HclSelegiline Hcl12suppressed
Clorazepate DipotassiumClorazepate Dipotassium11suppressed
EntacaponeEntacapone11suppressed

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