Healthcare provider profile · identity verified

Brandon K. Hirota, MD

Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology · HONOLULU, HI · NPI 1265693055

Profile state: payments and partd 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

CMS Open Payments records show Brandon K. Hirota, MD received $64.77 in general payments during 2025 across 2 reported records.

Amgen Inc. accounted for 73.0% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 2 associated products.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$64.77

2 reported records · 2 companies

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.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Amgen Inc. Unresolved — no canonical attribution shown $47.2773.0%12025
UCB, Inc. Unresolved — no canonical attribution shown $17.5027.0%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Education$64.772

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
UPLIZNA
Normalized: uplizna
Biological Amgen Inc. $47.27 1 2025
Source payment records
Zilbrysq
Normalized: zilbrysq
Drug UCB, Inc. $17.50 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

No exact normalized or approved-alias overlap was found in the loaded Part D year. This does not mean the doctor never prescribed the product.

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.

No publishable same-company prescribing overlap was found in the loaded Part D year. This does not mean the doctor never prescribed a drug reported elsewhere by a paying company.

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
Memantine Hcl ErMemantine Hcl22860
Carbidopa-LevodopaCarbidopa/Levodopa22462
Donepezil HclDonepezil Hcl20567
GabapentinGabapentin14961
PregabalinPregabalin10940
LevetiracetamLevetiracetam8224
Duloxetine HclDuloxetine Hcl7926
Memantine HclMemantine Hcl5720
MirtazapineMirtazapine4816
VyvgartEfgartigimod Alfa-Fcab36suppressed
BotoxOnabotulinumtoxina3517
Sodium Chloride0.9 % Sodium Chloride33suppressed
Amitriptyline HclAmitriptyline Hcl29suppressed
BrilintaTicagrelor28suppressed
Escitalopram OxalateEscitalopram Oxalate28suppressed
BaclofenBaclofen2711
Aimovig AutoinjectorErenumab-Aooe26suppressed
LacosamideLacosamide25suppressed
RizatriptanRizatriptan Benzoate24suppressed
UbrelvyUbrogepant24suppressed
TopiramateTopiramate2311
RivastigmineRivastigmine Tartrate22suppressed
Sertraline HclSertraline Hcl22suppressed
QuliptaAtogepant21suppressed
Propranolol HclPropranolol Hcl20suppressed
Venlafaxine Hcl ErVenlafaxine Hcl20suppressed
Mycophenolate MofetilMycophenolate Mofetil19suppressed
Naratriptan HclNaratriptan Hcl18suppressed
Pyridostigmine BromidePyridostigmine Bromide18suppressed
Ropinirole HclRopinirole Hcl18suppressed
Aspirin-Dipyridamole ErAspirin/Dipyridamole17suppressed
Sumatriptan SuccinateSumatriptan Succinate17suppressed
DiazepamDiazepam1514
Metoprolol SuccinateMetoprolol Succinate15suppressed
ClopidogrelClopidogrel Bisulfate14suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa12suppressed
LamotrigineLamotrigine12suppressed
Nurtec OdtRimegepant Sulfate12suppressed
PrednisonePrednisone12suppressed
PrimidonePrimidone12suppressed
Dalfampridine ErDalfampridine11suppressed

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 $64.77 · 2 records Amgen Inc. UPLIZNA, Zilbrysq
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