Healthcare provider profile · identity verified

Derek W Meeks, M.D.

Internal Medicine · HOUSTON, TX · NPI 1245509231

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 Calcium396122
Losartan PotassiumLosartan Potassium27880
Amlodipine BesylateAmlodipine Besylate22769
Levothyroxine SodiumLevothyroxine Sodium15950
Rosuvastatin CalciumRosuvastatin Calcium11733
Metformin HclMetformin Hcl11042
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide10529
OmeprazoleOmeprazole10334
HydrochlorothiazideHydrochlorothiazide9731
CarvedilolCarvedilol9532
GabapentinGabapentin9227
LisinoprilLisinopril9128
Metoprolol SuccinateMetoprolol Succinate9128
Tamsulosin HclTamsulosin Hcl7124
OzempicSemaglutide7014
Pravastatin SodiumPravastatin Sodium7021
Montelukast SodiumMontelukast Sodium6316
Pantoprazole SodiumPantoprazole Sodium6018
Trazodone HclTrazodone Hcl5721
AllopurinolAllopurinol5519
Fluticasone PropionateFluticasone Propionate5220
Alendronate SodiumAlendronate Sodium4818
Sertraline HclSertraline Hcl4615
Escitalopram OxalateEscitalopram Oxalate4513
Hydralazine HclHydralazine Hcl4212
RybelsusSemaglutide3912
SimvastatinSimvastatin3913
Albuterol Sulfate HfaAlbuterol Sulfate3814
FamotidineFamotidine3813
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid37suppressed
EstradiolEstradiol36suppressed
Pioglitazone HclPioglitazone Hcl36suppressed
SynthroidLevothyroxine Sodium35suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3416
Esomeprazole MagnesiumEsomeprazole Magnesium30suppressed
LantusInsulin Glargine,hum.Rec.Anlog27suppressed
Diclofenac SodiumDiclofenac Sodium2612
Oxybutynin Chloride ErOxybutynin Chloride26suppressed
EzetimibeEzetimibe25suppressed
SpironolactoneSpironolactone24suppressed
ValsartanValsartan24suppressed
Duloxetine HclDuloxetine Hcl23suppressed
Ondansetron OdtOndansetron22suppressed
Sumatriptan SuccinateSumatriptan Succinate22suppressed
Citalopram HbrCitalopram Hydrobromide20suppressed
Fluoxetine HclFluoxetine Hcl20suppressed
Nifedipine ErNifedipine20suppressed
Olmesartan MedoxomilOlmesartan Medoxomil20suppressed
Venlafaxine Hcl ErVenlafaxine Hcl20suppressed
FarxigaDapagliflozin Propanediol19suppressed
Metoprolol TartrateMetoprolol Tartrate19suppressed
ValacyclovirValacyclovir Hcl19suppressed
Terbinafine HclTerbinafine Hcl1811
EliquisApixaban17suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate17suppressed
Metformin Hcl ErMetformin Hcl17suppressed
MirtazapineMirtazapine17suppressed
Sod Sulf-Potass Sulf-Mag SulfSodium, Potassium,mag Sulfates1717
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide17suppressed
AtenololAtenolol16suppressed
Propranolol HclPropranolol Hcl16suppressed
Wixela InhubFluticasone Propion/Salmeterol16suppressed
Meclizine HclMeclizine Hcl15suppressed
Bupropion XlBupropion Hcl14suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide14suppressed
Amitriptyline HclAmitriptyline Hcl13suppressed
MounjaroTirzepatide13suppressed
ChlorthalidoneChlorthalidone12suppressed
JardianceEmpagliflozin12suppressed
Potassium ChloridePotassium Chloride12suppressed
SucralfateSucralfate12suppressed
Tizanidine HclTizanidine Hcl12suppressed
FebuxostatFebuxostat11suppressed

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