Healthcare provider profile · identity verified

Norris A Royston, MD

Family Practice · MARSHALL, VA · NPI 1124055066

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
Rosuvastatin CalciumRosuvastatin Calcium31586
LisinoprilLisinopril18144
Levothyroxine SodiumLevothyroxine Sodium17138
Amlodipine BesylateAmlodipine Besylate16541
Potassium ChloridePotassium Chloride11122
Atorvastatin CalciumAtorvastatin Calcium10930
SimvastatinSimvastatin10825
Metformin HclMetformin Hcl10529
Losartan PotassiumLosartan Potassium9417
EliquisApixaban8716
HydrochlorothiazideHydrochlorothiazide7414
Tamsulosin HclTamsulosin Hcl7320
SynthroidLevothyroxine Sodium7111
FurosemideFurosemide6715
AzithromycinAzithromycin6037
Metoprolol SuccinateMetoprolol Succinate5415
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav5238
Citalopram HbrCitalopram Hydrobromide52suppressed
EzetimibeEzetimibe4915
OzempicSemaglutide49suppressed
OmeprazoleOmeprazole4713
Doxycycline HyclateDoxycycline Hyclate4534
Bupropion XlBupropion Hcl43suppressed
Albuterol Sulfate HfaAlbuterol Sulfate4223
ClonazepamClonazepam40suppressed
Pantoprazole SodiumPantoprazole Sodium4011
Escitalopram OxalateEscitalopram Oxalate39suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide39suppressed
GabapentinGabapentin38suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide38suppressed
Pravastatin SodiumPravastatin Sodium36suppressed
AtenololAtenolol3512
ClopidogrelClopidogrel Bisulfate35suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter3511
AllopurinolAllopurinol32suppressed
CarvedilolCarvedilol32suppressed
LorazepamLorazepam32suppressed
AmoxicillinAmoxicillin3016
FamotidineFamotidine30suppressed
MeloxicamMeloxicam27suppressed
LevofloxacinLevofloxacin2520
AlprazolamAlprazolam24suppressed
Donepezil HclDonepezil Hcl24suppressed
RybelsusSemaglutide24suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide24suppressed
MethylprednisoloneMethylprednisolone2318
Amitriptyline HclAmitriptyline Hcl22suppressed
DilantinPhenytoin Sodium Extended22suppressed
Metoprolol TartrateMetoprolol Tartrate22suppressed
Zolpidem TartrateZolpidem Tartrate22suppressed
FinasterideFinasteride21suppressed
Hydralazine HclHydralazine Hcl21suppressed
PaxlovidNirmatrelvir/Ritonavir2120
Duloxetine HclDuloxetine Hcl20suppressed
Tramadol HclTramadol Hcl20suppressed
Trazodone HclTrazodone Hcl20suppressed
AcyclovirAcyclovir19suppressed
Nebivolol HclNebivolol Hcl19suppressed
Nifedipine ErNifedipine19suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic19suppressed
Enalapril MaleateEnalapril Maleate18suppressed
MupirocinMupirocin1811
Testosterone CypionateTestosterone Cypionate18suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium17suppressed
Montelukast SodiumMontelukast Sodium17suppressed
Paroxetine HclParoxetine Hcl17suppressed
PrednisonePrednisone1713
CelecoxibCelecoxib16suppressed
EstradiolEstradiol16suppressed
SymbicortBudesonide/Formoterol Fumarate16suppressed
Alendronate SodiumAlendronate Sodium15suppressed
Clonidine HclClonidine Hcl15suppressed
ColchicineColchicine15suppressed
MirtazapineMirtazapine15suppressed
Pioglitazone HclPioglitazone Hcl15suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid15suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
IbuprofenIbuprofen14suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen14suppressed
ValacyclovirValacyclovir Hcl14suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide13suppressed
BystolicNebivolol Hcl13suppressed
Ciprofloxacin HclCiprofloxacin Hcl13suppressed
EszopicloneEszopiclone13suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13suppressed
IndomethacinIndomethacin13suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog13suppressed
NitroglycerinNitroglycerin13suppressed
RamiprilRamipril13suppressed
Bupropion HclBupropion Hcl12suppressed
ChlorthalidoneChlorthalidone12suppressed
Cholestyramine LightCholestyramine12suppressed
Folic AcidFolic Acid12suppressed
IndapamideIndapamide12suppressed
NaproxenNaproxen12suppressed
Quetiapine FumarateQuetiapine Fumarate12suppressed
Ranolazine ErRanolazine12suppressed
Terazosin HclTerazosin Hcl12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
GlimepirideGlimepiride11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
JanumetSitagliptin Phos/Metformin Hcl11suppressed
Verapamil ErVerapamil Hcl11suppressed

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