Healthcare provider profile · identity verified

Gary Bogart Ewing, M.D.

Geriatric Medicine · COLUMBIA, SC · NPI 1861451650

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
Levothyroxine SodiumLevothyroxine Sodium72518
Amlodipine BesylateAmlodipine Besylate59614
Atorvastatin CalciumAtorvastatin Calcium54317
GabapentinGabapentin35911
LisinoprilLisinopril340suppressed
Tamsulosin HclTamsulosin Hcl266suppressed
Losartan PotassiumLosartan Potassium259suppressed
BaclofenBaclofen232suppressed
Metformin HclMetformin Hcl230suppressed
Quetiapine FumarateQuetiapine Fumarate210suppressed
LevetiracetamLevetiracetam194suppressed
FurosemideFurosemide153suppressed
CarvedilolCarvedilol152suppressed
JardianceEmpagliflozin150suppressed
OxcarbazepineOxcarbazepine148suppressed
Pantoprazole SodiumPantoprazole Sodium115suppressed
SimvastatinSimvastatin104suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate102suppressed
Clonidine HclClonidine Hcl94suppressed
ZonisamideZonisamide94suppressed
HydrochlorothiazideHydrochlorothiazide93suppressed
Memantine HclMemantine Hcl89suppressed
FamotidineFamotidine86suppressed
Metoprolol TartrateMetoprolol Tartrate83suppressed
ClopidogrelClopidogrel Bisulfate81suppressed
Alendronate SodiumAlendronate Sodium79suppressed
TopiramateTopiramate71suppressed
Doxazosin MesylateDoxazosin Mesylate70suppressed
ClonazepamClonazepam65suppressed
Metoprolol SuccinateMetoprolol Succinate60suppressed
CarbamazepineCarbamazepine52suppressed
Hydralazine HclHydralazine Hcl52suppressed
IndapamideIndapamide52suppressed
PindololPindolol52suppressed
Propranolol HclPropranolol Hcl52suppressed
RisperidoneRisperidone52suppressed
Amiloride HclAmiloride Hcl51suppressed
LorazepamLorazepam49suppressed
TorsemideTorsemide49suppressed
Pravastatin SodiumPravastatin Sodium48suppressed
Sertraline HclSertraline Hcl48suppressed
Metformin Hcl ErMetformin Hcl47suppressed
MirtazapineMirtazapine47suppressed
LubiprostoneLubiprostone45suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium44suppressed
Valproic AcidValproic Acid (As Sodium Salt)41suppressed
XareltoRivaroxaban41suppressed
Sevelamer CarbonateSevelamer Carbonate39suppressed
Divalproex SodiumDivalproex Sodium38suppressed
GlipizideGlipizide37suppressed
Divalproex Sodium ErDivalproex Sodium34suppressed
LactuloseLactulose33suppressed
LacosamideLacosamide31suppressed
Olanzapine OdtOlanzapine27suppressed
EliquisApixaban25suppressed
Escitalopram OxalateEscitalopram Oxalate24suppressed
LatudaLurasidone Hcl23suppressed
AlprazolamAlprazolam21suppressed
Carbidopa-LevodopaCarbidopa/Levodopa19suppressed
LatanoprostLatanoprost19suppressed
OmeprazoleOmeprazole18suppressed
Hydroxyzine HclHydroxyzine Hcl17suppressed
Midodrine HclMidodrine Hcl17suppressed
Paliperidone ErPaliperidone17suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate15suppressed
ZonisadeZonisamide15suppressed
CreonLipase/Protease/Amylase14suppressed
LamivudineLamivudine14suppressed
OlanzapineOlanzapine14suppressed
Donepezil Hcl OdtDonepezil Hcl13suppressed
Fluticasone PropionateFluticasone Propionate13suppressed
LansoprazoleLansoprazole13suppressed
RamelteonRamelteon13suppressed
LantusInsulin Glargine,hum.Rec.Anlog12suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine11suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11suppressed
JanuviaSitagliptin Phosphate11suppressed
PhenobarbitalPhenobarbital11suppressed

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