Healthcare provider profile · identity verified

Brenna Michell Muniz, M.D.

Internal Medicine · HOUSTON, TX · NPI 1003158411

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 Calcium413128
Amlodipine BesylateAmlodipine Besylate27987
Losartan PotassiumLosartan Potassium22571
Levothyroxine SodiumLevothyroxine Sodium18959
Metformin HclMetformin Hcl15054
LisinoprilLisinopril14650
OmeprazoleOmeprazole13243
Fluticasone PropionateFluticasone Propionate12551
GabapentinGabapentin12238
HydrochlorothiazideHydrochlorothiazide8428
Hydralazine HclHydralazine Hcl8325
CarvedilolCarvedilol7929
Pravastatin SodiumPravastatin Sodium7425
Rosuvastatin CalciumRosuvastatin Calcium7129
Albuterol Sulfate HfaAlbuterol Sulfate7029
Nifedipine ErNifedipine7027
Tizanidine HclTizanidine Hcl7029
Escitalopram OxalateEscitalopram Oxalate6524
Metoprolol SuccinateMetoprolol Succinate6519
GlimepirideGlimepiride6420
EliquisApixaban61suppressed
Tramadol HclTramadol Hcl6016
SimvastatinSimvastatin5319
OzempicSemaglutide51suppressed
Trazodone HclTrazodone Hcl5014
Metformin Hcl ErMetformin Hcl4919
FurosemideFurosemide4718
Tamsulosin HclTamsulosin Hcl4614
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4342
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog40suppressed
EzetimibeEzetimibe4013
Sertraline HclSertraline Hcl4011
Diclofenac SodiumDiclofenac Sodium3923
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3913
Alendronate SodiumAlendronate Sodium3814
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril38suppressed
Montelukast SodiumMontelukast Sodium3816
Metoprolol TartrateMetoprolol Tartrate3512
Doxycycline HyclateDoxycycline Hyclate3429
Pantoprazole SodiumPantoprazole Sodium3315
FamotidineFamotidine3113
JanuviaSitagliptin Phosphate31suppressed
ClopidogrelClopidogrel Bisulfate3011
Fluticasone-SalmeterolFluticasone Propion/Salmeterol30suppressed
AtenololAtenolol28suppressed
ValsartanValsartan28suppressed
Citalopram HbrCitalopram Hydrobromide27suppressed
Fluoxetine HclFluoxetine Hcl26suppressed
GlipizideGlipizide26suppressed
BaclofenBaclofen25suppressed
MeloxicamMeloxicam25suppressed
MupirocinMupirocin2421
NystatinNystatin22suppressed
Potassium ChloridePotassium Chloride22suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide2111
MounjaroTirzepatide21suppressed
AllopurinolAllopurinol20suppressed
Buspirone HclBuspirone Hcl20suppressed
Glipizide ErGlipizide20suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2019
TelmisartanTelmisartan20suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1919
Warfarin SodiumWarfarin Sodium19suppressed
FenofibrateFenofibrate18suppressed
Venlafaxine HclVenlafaxine Hcl18suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17suppressed
PrednisonePrednisone1716
Olmesartan MedoxomilOlmesartan Medoxomil16suppressed
Benazepril HclBenazepril Hcl15suppressed
DiazepamDiazepam15suppressed
FarxigaDapagliflozin Propanediol15suppressed
TopiramateTopiramate15suppressed
Triamcinolone AcetonideTriamcinolone Acetonide15suppressed
Duloxetine HclDuloxetine Hcl14suppressed
MethylprednisoloneMethylprednisolone1413
Ultra-Fine Short Pen NeedlePen Needle, Diabetic14suppressed
AlprazolamAlprazolam13suppressed
CelecoxibCelecoxib13suppressed
ClonazepamClonazepam13suppressed
FenofibrateFenofibrate Nanocrystallized13suppressed
IbuprofenIbuprofen13suppressed
NaproxenNaproxen13suppressed
ValacyclovirValacyclovir Hcl13suppressed
AzithromycinAzithromycin1212
JardianceEmpagliflozin12suppressed
Tramadol Hcl ErTramadol Hcl12suppressed
VascepaIcosapent Ethyl12suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic11suppressed

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