Healthcare provider profile · identity verified

Cornelius L Alston, MD

Internal Medicine · CONWAY, SC · NPI 1720019607

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 Calcium16553
Levothyroxine SodiumLevothyroxine Sodium9830
GabapentinGabapentin8526
Amlodipine BesylateAmlodipine Besylate6824
Rosuvastatin CalciumRosuvastatin Calcium6722
Metoprolol SuccinateMetoprolol Succinate6520
Metformin Hcl ErMetformin Hcl6116
Pantoprazole SodiumPantoprazole Sodium5116
OmeprazoleOmeprazole4920
Metformin HclMetformin Hcl4516
OzempicSemaglutide45suppressed
Losartan PotassiumLosartan Potassium4413
CelecoxibCelecoxib42suppressed
FurosemideFurosemide4215
Montelukast SodiumMontelukast Sodium4216
Breztri AerosphereBudesonide/Glycopyr/Formoterol40suppressed
MounjaroTirzepatide39suppressed
Trazodone HclTrazodone Hcl3913
Pravastatin SodiumPravastatin Sodium3712
CarvedilolCarvedilol33suppressed
LisinoprilLisinopril3312
MeloxicamMeloxicam33suppressed
Tamsulosin HclTamsulosin Hcl3313
Venlafaxine Hcl ErVenlafaxine Hcl32suppressed
Tizanidine HclTizanidine Hcl31suppressed
Albuterol Sulfate HfaAlbuterol Sulfate28suppressed
Sertraline HclSertraline Hcl2712
HydrochlorothiazideHydrochlorothiazide25suppressed
BaclofenBaclofen24suppressed
BiktarvyBictegrav/Emtricit/Tenofov Ala24suppressed
ClopidogrelClopidogrel Bisulfate24suppressed
GlimepirideGlimepiride24suppressed
EzetimibeEzetimibe23suppressed
PrednisonePrednisone23suppressed
Divalproex SodiumDivalproex Sodium22suppressed
Fluticasone PropionateFluticasone Propionate22suppressed
IbuprofenIbuprofen22suppressed
MirtazapineMirtazapine22suppressed
Vitamin D2Ergocalciferol (Vitamin D2)2211
Potassium ChloridePotassium Chloride21suppressed
Soliqua 100-33Insulin Glargine/Lixisenatide21suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril20suppressed
MyrbetriqMirabegron20suppressed
TelmisartanTelmisartan19suppressed
AllopurinolAllopurinol18suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1813
Esomeprazole MagnesiumEsomeprazole Magnesium18suppressed
LamotrigineLamotrigine18suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide18suppressed
Ropinirole HclRopinirole Hcl18suppressed
Benazepril HclBenazepril Hcl17suppressed
Doxazosin MesylateDoxazosin Mesylate17suppressed
Sumatriptan SuccinateSumatriptan Succinate17suppressed
Metoprolol TartrateMetoprolol Tartrate16suppressed
Bupropion Hcl SrBupropion Hcl15suppressed
FarxigaDapagliflozin Propanediol15suppressed
KerendiaFinerenone15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
MupirocinMupirocin15suppressed
Carbidopa-LevodopaCarbidopa/Levodopa14suppressed
CilostazolCilostazol14suppressed
Quetiapine Fumarate ErQuetiapine Fumarate14suppressed
SimvastatinSimvastatin14suppressed
Amitriptyline HclAmitriptyline Hcl13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter13suppressed
Atomoxetine HclAtomoxetine Hcl12suppressed
LactuloseLactulose12suppressed
LeflunomideLeflunomide12suppressed
Memantine HclMemantine Hcl12suppressed
Telmisartan-HydrochlorothiazidTelmisartan/Hydrochlorothiazid12suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
Humira PenAdalimumab11suppressed
Meclizine HclMeclizine Hcl11suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic11suppressed
RukobiaFostemsavir Tromethamine11suppressed
SymtuzaDarunavir/Cob/Emtri/Tenof Alaf11suppressed
TivicayDolutegravir Sodium11suppressed
Varenicline TartrateVarenicline 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