Healthcare provider profile · identity verified

Charles Gibbs Maker, MD

Internal Medicine · HENDERSONVILLE, NC · NPI 1619950557

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
EliquisApixaban24431
Atorvastatin CalciumAtorvastatin Calcium15239
Trazodone HclTrazodone Hcl14630
GabapentinGabapentin12326
FurosemideFurosemide11933
Levothyroxine SodiumLevothyroxine Sodium11526
Pantoprazole SodiumPantoprazole Sodium8829
Amlodipine BesylateAmlodipine Besylate7924
ClopidogrelClopidogrel Bisulfate7215
LisinoprilLisinopril6421
Tamsulosin HclTamsulosin Hcl6422
ArexvyRsvpref3 Antigen/As01e/Pf6356
FamotidineFamotidine6312
Metoprolol TartrateMetoprolol Tartrate6016
Escitalopram OxalateEscitalopram Oxalate5516
Metoprolol SuccinateMetoprolol Succinate5419
Duloxetine HclDuloxetine Hcl5317
Ondansetron HclOndansetron Hcl5337
Potassium ChloridePotassium Chloride5320
JardianceEmpagliflozin49suppressed
Losartan PotassiumLosartan Potassium4814
PrednisonePrednisone4720
LevetiracetamLevetiracetam46suppressed
XareltoRivaroxaban44suppressed
CarvedilolCarvedilol4212
Memantine HclMemantine Hcl39suppressed
Metformin HclMetformin Hcl3913
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog38suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen38suppressed
SpironolactoneSpironolactone3513
AllopurinolAllopurinol34suppressed
Divalproex SodiumDivalproex Sodium3411
Hydralazine HclHydralazine Hcl34suppressed
Donepezil HclDonepezil Hcl33suppressed
MirtazapineMirtazapine3312
Buspirone HclBuspirone Hcl32suppressed
TrulicityDulaglutide32suppressed
Citalopram HbrCitalopram Hydrobromide31suppressed
Warfarin SodiumWarfarin Sodium30suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate2916
LorazepamLorazepam2914
GlipizideGlipizide28suppressed
Pravastatin SodiumPravastatin Sodium28suppressed
CephalexinCephalexin2716
Tramadol HclTramadol Hcl2713
DutasterideDutasteride26suppressed
EntrestoSacubitril/Valsartan26suppressed
BumetanideBumetanide25suppressed
Fluticasone PropionateFluticasone Propionate2411
Diclofenac SodiumDiclofenac Sodium22suppressed
Diltiazem 24hr ErDiltiazem Hcl22suppressed
Doxycycline HyclateDoxycycline Hyclate2113
Pramipexole DihydrochloridePramipexole Di-Hcl21suppressed
Promethazine HclPromethazine Hcl2112
Quetiapine FumarateQuetiapine Fumarate21suppressed
SynthroidLevothyroxine Sodium21suppressed
Ciprofloxacin HclCiprofloxacin Hcl2013
Isosorbide Mononitrate ErIsosorbide Mononitrate20suppressed
BaclofenBaclofen19suppressed
Carbidopa-LevodopaCarbidopa/Levodopa19suppressed
FinasterideFinasteride19suppressed
GlyxambiEmpagliflozin/Linagliptin19suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog19suppressed
Liothyronine SodiumLiothyronine Sodium19suppressed
RisperidoneRisperidone19suppressed
Sulfasalazine DrSulfasalazine19suppressed
AptiomEslicarbazepine Acetate18suppressed
LactuloseLactulose18suppressed
LamotrigineLamotrigine18suppressed
BrilintaTicagrelor17suppressed
Tizanidine HclTizanidine Hcl17suppressed
PregabalinPregabalin16suppressed
AlprazolamAlprazolam15suppressed
AzithromycinAzithromycin1412
NystatinNystatin14suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen14suppressed
ValsartanValsartan14suppressed
Albuterol Sulfate HfaAlbuterol Sulfate1311
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1311
Esomeprazole MagnesiumEsomeprazole Magnesium13suppressed
Klor-Con 10Potassium Chloride13suppressed
OlanzapineOlanzapine13suppressed
OmeprazoleOmeprazole13suppressed
Oxycodone HclOxycodone Hcl13suppressed
Sodium Chloride0.9 % Sodium Chloride13suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1311
TorsemideTorsemide13suppressed
Alendronate SodiumAlendronate Sodium12suppressed
AtenololAtenolol12suppressed
ClonazepamClonazepam12suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro12suppressed
Montelukast SodiumMontelukast Sodium12suppressed
Novolog FlexpenInsulin Aspart12suppressed
Sertraline HclSertraline Hcl12suppressed
Venlafaxine Hcl ErVenlafaxine Hcl12suppressed
AmoxicillinAmoxicillin11suppressed
Carbamazepine ErCarbamazepine11suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate11suppressed
Insulin Aspart FlexpenInsulin Aspart11suppressed
MeloxicamMeloxicam11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed
Paroxetine HclParoxetine Hcl11suppressed
Rosuvastatin CalciumRosuvastatin Calcium11suppressed

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