Healthcare provider profile · identity verified

David D Weeks, MD

Internal Medicine · AUSTIN, TX · NPI 1326054685

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 Calcium440120
Rosuvastatin CalciumRosuvastatin Calcium32396
Levothyroxine SodiumLevothyroxine Sodium20755
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide14139
Amlodipine BesylateAmlodipine Besylate13939
OzempicSemaglutide13520
LisinoprilLisinopril11633
OmeprazoleOmeprazole11438
Losartan PotassiumLosartan Potassium11242
Pantoprazole SodiumPantoprazole Sodium9625
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8925
Tramadol HclTramadol Hcl8325
Metoprolol SuccinateMetoprolol Succinate7925
MeloxicamMeloxicam7620
Fluticasone PropionateFluticasone Propionate7426
HydrochlorothiazideHydrochlorothiazide7423
Metformin HclMetformin Hcl7220
Albuterol Sulfate HfaAlbuterol Sulfate6623
GabapentinGabapentin6621
Venlafaxine Hcl ErVenlafaxine Hcl6514
Pioglitazone HclPioglitazone Hcl6118
AtenololAtenolol5917
Tamsulosin HclTamsulosin Hcl5918
Escitalopram OxalateEscitalopram Oxalate5813
AllopurinolAllopurinol5614
Bupropion XlBupropion Hcl5217
Duloxetine HclDuloxetine Hcl5113
FurosemideFurosemide5012
MirtazapineMirtazapine4814
Alendronate SodiumAlendronate Sodium4618
Metformin Hcl ErMetformin Hcl4511
Cyclobenzaprine HclCyclobenzaprine Hcl4121
Trazodone HclTrazodone Hcl4011
Diclofenac SodiumDiclofenac Sodium3819
Potassium ChloridePotassium Chloride38suppressed
Sertraline HclSertraline Hcl3811
SimvastatinSimvastatin38suppressed
JanuviaSitagliptin Phosphate36suppressed
Pravastatin SodiumPravastatin Sodium3611
Fluoxetine HclFluoxetine Hcl3311
CelecoxibCelecoxib3220
Doxazosin MesylateDoxazosin Mesylate32suppressed
Doxycycline HyclateDoxycycline Hyclate2928
PregabalinPregabalin29suppressed
Metoprolol TartrateMetoprolol Tartrate27suppressed
Citalopram HbrCitalopram Hydrobromide26suppressed
EzetimibeEzetimibe26suppressed
TrintellixVortioxetine Hydrobromide26suppressed
CarvedilolCarvedilol25suppressed
EliquisApixaban25suppressed
Montelukast SodiumMontelukast Sodium2511
ClopidogrelClopidogrel Bisulfate24suppressed
FenofibrateFenofibrate Nanocrystallized24suppressed
FenofibrateFenofibrate,micronized24suppressed
Glipizide ErGlipizide24suppressed
AlprazolamAlprazolam23suppressed
JardianceEmpagliflozin23suppressed
Terazosin HclTerazosin Hcl22suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2119
FinasterideFinasteride21suppressed
Nebivolol HclNebivolol Hcl21suppressed
Buspirone HclBuspirone Hcl20suppressed
Azelastine HclAzelastine Hcl19suppressed
Ondansetron OdtOndansetron1916
Raloxifene HclRaloxifene Hcl19suppressed
ValacyclovirValacyclovir Hcl19suppressed
XareltoRivaroxaban19suppressed
DiazepamDiazepam18suppressed
FamotidineFamotidine18suppressed
LamotrigineLamotrigine18suppressed
PrednisonePrednisone1816
RamiprilRamipril18suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1814
Quetiapine FumarateQuetiapine Fumarate17suppressed
Amitriptyline HclAmitriptyline Hcl16suppressed
Ciprofloxacin HclCiprofloxacin Hcl1614
DesloratadineDesloratadine16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip1513
Icosapent EthylIcosapent Ethyl15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
KetoconazoleKetoconazole14suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
Methylphenidate HclMethylphenidate Hcl14suppressed
Olmesartan MedoxomilOlmesartan Medoxomil14suppressed
Diltiazem 24hr ErDiltiazem Hcl13suppressed
LorazepamLorazepam13suppressed
SpironolactoneSpironolactone13suppressed
Sumatriptan SuccinateSumatriptan Succinate13suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide13suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12suppressed
RisperidoneRisperidone12suppressed
Testosterone CypionateTestosterone Cypionate12suppressed
ClonazepamClonazepam11suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium11suppressed
LovastatinLovastatin11suppressed
Pioglitazone-MetforminPioglitazone Hcl/Metformin Hcl11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed
Zolpidem TartrateZolpidem Tartrate11suppressed

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