Healthcare provider profile · identity verified

Brooks Robert Gaston

Nurse Practitioner · PORTLAND, OR · NPI 1497050801

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
Atorvastatin CalciumAtorvastatin Calcium18562
OmeprazoleOmeprazole13030
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12215
LisinoprilLisinopril11032
Amlodipine BesylateAmlodipine Besylate10437
Albuterol Sulfate HfaAlbuterol Sulfate7518
Metformin HclMetformin Hcl7423
Metoprolol SuccinateMetoprolol Succinate7417
HydrochlorothiazideHydrochlorothiazide7220
GabapentinGabapentin6424
Cyclobenzaprine HclCyclobenzaprine Hcl5414
Oxycodone HclOxycodone Hcl4813
IbuprofenIbuprofen4618
Losartan PotassiumLosartan Potassium4516
Trazodone HclTrazodone Hcl4412
Levothyroxine SodiumLevothyroxine Sodium4115
EliquisApixaban3911
FurosemideFurosemide3715
Potassium ChloridePotassium Chloride37suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3411
JardianceEmpagliflozin33suppressed
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl32suppressed
OlanzapineOlanzapine32suppressed
Rosuvastatin CalciumRosuvastatin Calcium3211
FamotidineFamotidine31suppressed
TrulicityDulaglutide31suppressed
SimvastatinSimvastatin29suppressed
Incruse ElliptaUmeclidinium Bromide28suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2714
Duloxetine HclDuloxetine Hcl26suppressed
Fluoxetine HclFluoxetine Hcl26suppressed
Ventolin HfaAlbuterol Sulfate26suppressed
Metformin Hcl ErMetformin Hcl25suppressed
Sertraline HclSertraline Hcl25suppressed
Tamsulosin HclTamsulosin Hcl25suppressed
Clonidine HclClonidine Hcl22suppressed
Bupropion XlBupropion Hcl21suppressed
Hydroxyzine HclHydroxyzine Hcl21suppressed
Citalopram HbrCitalopram Hydrobromide20suppressed
MupirocinMupirocin20suppressed
Atrovent HfaIpratropium Bromide19suppressed
EzetimibeEzetimibe19suppressed
NaproxenNaproxen19suppressed
Sumatriptan SuccinateSumatriptan Succinate19suppressed
Glipizide ErGlipizide18suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog16suppressed
Benztropine MesylateBenztropine Mesylate16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
LorazepamLorazepam16suppressed
Propranolol HclPropranolol Hcl16suppressed
Trueplus Pen NeedlePen Needle, Diabetic16suppressed
Quetiapine FumarateQuetiapine Fumarate15suppressed
Tizanidine HclTizanidine Hcl15suppressed
TopiramateTopiramate15suppressed
AripiprazoleAripiprazole14suppressed
Diclofenac SodiumDiclofenac Sodium14suppressed
AtenololAtenolol13suppressed
ChlorthalidoneChlorthalidone13suppressed
Humalog Kwikpen U-100Insulin Lispro13suppressed
NitroglycerinNitroglycerin13suppressed
Testosterone CypionateTestosterone Cypionate13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Buprenorphine HclBuprenorphine Hcl12suppressed
Doxazosin MesylateDoxazosin Mesylate12suppressed
Hydroxyzine PamoateHydroxyzine Pamoate12suppressed
Montelukast SodiumMontelukast Sodium12suppressed
Ondansetron OdtOndansetron12suppressed
GlipizideGlipizide11suppressed
Hydralazine HclHydralazine Hcl11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed

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