Healthcare provider profile · identity verified

William A Sayles, MD

Family Practice · LOUISBURG, NC · NPI 1144273632

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
Amlodipine BesylateAmlodipine Besylate27575
Atorvastatin CalciumAtorvastatin Calcium22158
Pioglitazone HclPioglitazone Hcl19553
HydrochlorothiazideHydrochlorothiazide16244
Losartan PotassiumLosartan Potassium12134
Montelukast SodiumMontelukast Sodium11426
Metformin Hcl ErMetformin Hcl11336
Levothyroxine SodiumLevothyroxine Sodium10828
Metoprolol SuccinateMetoprolol Succinate10227
LisinoprilLisinopril9624
Rosuvastatin CalciumRosuvastatin Calcium9629
Pravastatin SodiumPravastatin Sodium9424
Metformin HclMetformin Hcl8626
SimvastatinSimvastatin7421
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6918
CarvedilolCarvedilol6821
ClopidogrelClopidogrel Bisulfate6817
AllopurinolAllopurinol5915
Cyclobenzaprine HclCyclobenzaprine Hcl56suppressed
GabapentinGabapentin5420
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5314
CelecoxibCelecoxib5113
FurosemideFurosemide5118
Tamsulosin HclTamsulosin Hcl5117
Albuterol Sulfate HfaAlbuterol Sulfate47suppressed
Fluticasone PropionateFluticasone Propionate4613
RamiprilRamipril4612
Doxazosin MesylateDoxazosin Mesylate4512
Ondansetron HclOndansetron Hcl44suppressed
FamotidineFamotidine4217
Potassium ChloridePotassium Chloride4212
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen41suppressed
Sertraline HclSertraline Hcl4114
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid4113
Metoprolol TartrateMetoprolol Tartrate4013
AtenololAtenolol39suppressed
Clonidine HclClonidine Hcl39suppressed
Escitalopram OxalateEscitalopram Oxalate39suppressed
ClonazepamClonazepam38suppressed
OmeprazoleOmeprazole37suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl37suppressed
MeloxicamMeloxicam36suppressed
Citalopram HbrCitalopram Hydrobromide3411
MounjaroTirzepatide32suppressed
PrednisonePrednisone3228
Tramadol HclTramadol Hcl32suppressed
Pantoprazole SodiumPantoprazole Sodium31suppressed
Enalapril MaleateEnalapril Maleate29suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2824
Breo ElliptaFluticasone/Vilanterol28suppressed
Bupropion XlBupropion Hcl28suppressed
OzempicSemaglutide28suppressed
Ventolin HfaAlbuterol Sulfate26suppressed
Doxycycline HyclateDoxycycline Hyclate2412
Buspirone HclBuspirone Hcl23suppressed
ValacyclovirValacyclovir Hcl23suppressed
Fluoxetine HclFluoxetine Hcl22suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide22suppressed
Bupropion Hcl SrBupropion Hcl21suppressed
PaxlovidNirmatrelvir/Ritonavir2121
Ropinirole HclRopinirole Hcl21suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter21suppressed
Oxybutynin ChlorideOxybutynin Chloride20suppressed
PentoxifyllinePentoxifylline20suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril19suppressed
FinasterideFinasteride19suppressed
Trazodone HclTrazodone Hcl19suppressed
AzithromycinAzithromycin1716
Triamcinolone AcetonideTriamcinolone Acetonide17suppressed
EszopicloneEszopiclone16suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen16suppressed
Tresiba Flextouch U-200Insulin Degludec15suppressed
Probenecid-ColchicineProbenecid/Colchicine14suppressed
SpironolactoneSpironolactone14suppressed
ChlorthalidoneChlorthalidone13suppressed
Ciprofloxacin HclCiprofloxacin Hcl13suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip13suppressed
Combivent RespimatIpratropium/Albuterol Sulfate13suppressed
Diclofenac SodiumDiclofenac Sodium13suppressed
LorazepamLorazepam13suppressed
TradjentaLinagliptin13suppressed
AlprazolamAlprazolam12suppressed
Dropsafe Prep PadsAlcohol Antiseptic Pads12suppressed
EliquisApixaban12suppressed
Tresiba Flextouch U-100Insulin Degludec12suppressed
Warfarin SodiumWarfarin Sodium12suppressed
Benazepril HclBenazepril Hcl11suppressed
EuthyroxLevothyroxine Sodium11suppressed
EzetimibeEzetimibe11suppressed
Spiriva RespimatTiotropium Bromide11suppressed

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