Healthcare provider profile · identity verified

Brian Richardson, M.D.

Neurology · BERKELEY, CA · NPI 1265540892

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
Donepezil HclDonepezil Hcl970272
LevetiracetamLevetiracetam31573
Memantine HclMemantine Hcl28271
LamotrigineLamotrigine23737
GabapentinGabapentin21958
TopiramateTopiramate18553
Carbidopa-LevodopaCarbidopa/Levodopa16843
Atorvastatin CalciumAtorvastatin Calcium14351
Escitalopram OxalateEscitalopram Oxalate10028
PrimidonePrimidone9021
Nortriptyline HclNortriptyline Hcl8924
MirtazapineMirtazapine7022
RisperidoneRisperidone6817
Emgality PenGalcanezumab-Gnlm61suppressed
Quetiapine FumarateQuetiapine Fumarate6119
Galantamine ErGalantamine Hbr6021
Phenytoin Sodium ExtendedPhenytoin Sodium Extended60suppressed
CarbamazepineCarbamazepine56suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl5415
Sumatriptan SuccinateSumatriptan Succinate5417
ClopidogrelClopidogrel Bisulfate5218
PregabalinPregabalin4715
ClobazamClobazam45suppressed
Divalproex SodiumDivalproex Sodium45suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen43suppressed
RizatriptanRizatriptan Benzoate38suppressed
Fluoxetine HclFluoxetine Hcl3611
EliquisApixaban3112
RexultiBrexpiprazole31suppressed
ClonazepamClonazepam30suppressed
Memantine Hcl ErMemantine Hcl22suppressed
TemazepamTemazepam22suppressed
Aimovig AutoinjectorErenumab-Aooe21suppressed
Divalproex Sodium ErDivalproex Sodium21suppressed
ZonisamideZonisamide21suppressed
LacosamideLacosamide20suppressed
Zolpidem TartrateZolpidem Tartrate19suppressed
Ondansetron OdtOndansetron18suppressed
Carbamazepine ErCarbamazepine17suppressed
Megestrol AcetateMegestrol Acetate1711
Rasagiline MesylateRasagiline Mesylate17suppressed
Amlodipine BesylateAmlodipine Besylate16suppressed
Dexmethylphenidate HclDexmethylphenidate Hcl15suppressed
Oxycodone HclOxycodone Hcl15suppressed
Trazodone HclTrazodone Hcl15suppressed
Duloxetine HclDuloxetine Hcl14suppressed
RivastigmineRivastigmine14suppressed
AripiprazoleAripiprazole13suppressed
OxcarbazepineOxcarbazepine13suppressed
Risperidone OdtRisperidone13suppressed
AzathioprineAzathioprine12suppressed
VimpatLacosamide12suppressed
Acetaminophen-CodeineAcetaminophen With Codeine11suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa11suppressed

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