Healthcare provider profile · identity verified

Kenneth Richard Brooks, MD

Family Practice · MARTINEZ, CA · NPI 1528009685

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 Calcium373133
Amlodipine BesylateAmlodipine Besylate315108
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen25544
LisinoprilLisinopril18860
Losartan PotassiumLosartan Potassium16158
Tamsulosin HclTamsulosin Hcl13648
HydrochlorothiazideHydrochlorothiazide12842
Albuterol Sulfate HfaAlbuterol Sulfate12165
IbuprofenIbuprofen10844
Fluticasone PropionateFluticasone Propionate10650
PaxlovidNirmatrelvir/Ritonavir9393
GabapentinGabapentin8829
Levothyroxine SodiumLevothyroxine Sodium8732
Metformin Hcl ErMetformin Hcl8637
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen8412
AtenololAtenolol7624
FamotidineFamotidine7530
Metoprolol TartrateMetoprolol Tartrate6821
GlipizideGlipizide6621
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6621
SimvastatinSimvastatin5821
Oxycodone HclOxycodone Hcl53suppressed
CarvedilolCarvedilol5212
Metoprolol SuccinateMetoprolol Succinate5216
OmeprazoleOmeprazole5220
AlvescoCiclesonide5126
AllopurinolAllopurinol5024
Tramadol HclTramadol Hcl49suppressed
Trazodone HclTrazodone Hcl4821
MeloxicamMeloxicam4719
ColchicineColchicine4615
FurosemideFurosemide4619
Metformin HclMetformin Hcl4619
PrednisonePrednisone4535
FinasterideFinasteride4316
Tizanidine HclTizanidine Hcl4213
Hydralazine HclHydralazine Hcl4118
Pantoprazole SodiumPantoprazole Sodium3615
Triamcinolone AcetonideTriamcinolone Acetonide3622
JardianceEmpagliflozin3516
LorazepamLorazepam32suppressed
LovastatinLovastatin30suppressed
SpironolactoneSpironolactone3011
Potassium ChloridePotassium Chloride29suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2828
OzempicSemaglutide28suppressed
AmoxicillinAmoxicillin2724
ClopidogrelClopidogrel Bisulfate25suppressed
Donepezil HclDonepezil Hcl24suppressed
MupirocinMupirocin2413
TadalafilTadalafil24suppressed
Montelukast SodiumMontelukast Sodium21suppressed
Rosuvastatin CalciumRosuvastatin Calcium21suppressed
ChlorthalidoneChlorthalidone20suppressed
HydrocortisoneHydrocortisone2015
NaproxenNaproxen20suppressed
Acetaminophen-CodeineAcetaminophen With Codeine19suppressed
CefadroxilCefadroxil1918
Duloxetine HclDuloxetine Hcl19suppressed
LatanoprostLatanoprost19suppressed
MethocarbamolMethocarbamol19suppressed
NabumetoneNabumetone19suppressed
Ondansetron OdtOndansetron19suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1919
Zolpidem TartrateZolpidem Tartrate19suppressed
PregabalinPregabalin18suppressed
Terazosin HclTerazosin Hcl18suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl17suppressed
FluocinonideFluocinonide17suppressed
LevetiracetamLevetiracetam17suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1616
TopiramateTopiramate16suppressed
Bisoprolol FumarateBisoprolol Fumarate15suppressed
Clobetasol PropionateClobetasol Propionate15suppressed
BreynaBudesonide/Formoterol Fumarate14suppressed
Ciprofloxacin HclCiprofloxacin Hcl1412
Oxybutynin Chloride ErOxybutynin Chloride14suppressed
Quetiapine FumarateQuetiapine Fumarate14suppressed
AcyclovirAcyclovir13suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13suppressed
Morphine SulfateMorphine Sulfate13suppressed
PradaxaDabigatran Etexilate Mesylate13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Azelastine HclAzelastine Hcl12suppressed
CephalexinCephalexin1212
Escitalopram OxalateEscitalopram Oxalate12suppressed
LidocaineLidocaine12suppressed
MirtazapineMirtazapine12suppressed
Venlafaxine HclVenlafaxine Hcl12suppressed
Citalopram HbrCitalopram Hydrobromide11suppressed
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat11suppressed
Hydroxyzine HclHydroxyzine Hcl11suppressed
Pravastatin SodiumPravastatin Sodium11suppressed
Sertraline HclSertraline Hcl11suppressed
Verapamil ErVerapamil 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