Healthcare provider profile · identity verified

Daniel M. Sappenfield, MD

Family Practice · CHARLOTTE, NC · NPI 1346275955

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 Calcium866256
Amlodipine BesylateAmlodipine Besylate482139
Levothyroxine SodiumLevothyroxine Sodium35499
LisinoprilLisinopril28797
OmeprazoleOmeprazole28181
Metoprolol SuccinateMetoprolol Succinate24369
GabapentinGabapentin22566
Metformin Hcl ErMetformin Hcl21863
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide21566
Losartan PotassiumLosartan Potassium21464
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide20761
Rosuvastatin CalciumRosuvastatin Calcium19159
Trazodone HclTrazodone Hcl16648
Tamsulosin HclTamsulosin Hcl16349
SimvastatinSimvastatin16142
Metformin HclMetformin Hcl15650
Pantoprazole SodiumPantoprazole Sodium15453
Pravastatin SodiumPravastatin Sodium15140
Escitalopram OxalateEscitalopram Oxalate14246
MeloxicamMeloxicam13141
HydrochlorothiazideHydrochlorothiazide12542
Montelukast SodiumMontelukast Sodium11129
FamotidineFamotidine10734
Fluticasone PropionateFluticasone Propionate10749
AllopurinolAllopurinol10329
GlimepirideGlimepiride9829
Fluoxetine HclFluoxetine Hcl9422
Metoprolol TartrateMetoprolol Tartrate9122
Sertraline HclSertraline Hcl9132
CarvedilolCarvedilol8831
Diclofenac SodiumDiclofenac Sodium7829
Duloxetine HclDuloxetine Hcl7323
MounjaroTirzepatide6913
AlprazolamAlprazolam6720
Potassium ChloridePotassium Chloride6621
Albuterol Sulfate HfaAlbuterol Sulfate6427
FurosemideFurosemide6121
Tramadol HclTramadol Hcl6015
PrednisonePrednisone5852
ClopidogrelClopidogrel Bisulfate5716
Alendronate SodiumAlendronate Sodium5418
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride5318
ChlorthalidoneChlorthalidone5012
Pioglitazone HclPioglitazone Hcl5016
Warfarin SodiumWarfarin Sodium50suppressed
ClonazepamClonazepam48suppressed
EliquisApixaban4718
LovastatinLovastatin4713
Zolpidem TartrateZolpidem Tartrate39suppressed
Citalopram HbrCitalopram Hydrobromide3812
Diltiazem 24hr Er (Cd)Diltiazem Hcl3813
JanumetSitagliptin Phos/Metformin Hcl38suppressed
Buspirone HclBuspirone Hcl3713
XareltoRivaroxaban36suppressed
Olmesartan MedoxomilOlmesartan Medoxomil3511
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine34suppressed
Bupropion XlBupropion Hcl33suppressed
FinasterideFinasteride33suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3328
SpironolactoneSpironolactone32suppressed
Benazepril HclBenazepril Hcl31suppressed
Ipratropium BromideIpratropium Bromide31suppressed
OzempicSemaglutide31suppressed
RamiprilRamipril31suppressed
Telmisartan-HydrochlorothiazidTelmisartan/Hydrochlorothiazid30suppressed
SynthroidLevothyroxine Sodium29suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog28suppressed
AtenololAtenolol27suppressed
MirtazapineMirtazapine27suppressed
ValacyclovirValacyclovir Hcl2711
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril25suppressed
CelecoxibCelecoxib25suppressed
EzetimibeEzetimibe25suppressed
Sumatriptan SuccinateSumatriptan Succinate25suppressed
Azelastine HclAzelastine Hcl2411
BaclofenBaclofen24suppressed
Clonidine HclClonidine Hcl24suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide23suppressed
Doxycycline MonohydrateDoxycycline Monohydrate2322
Wixela InhubFluticasone Propion/Salmeterol23suppressed
MethylprednisoloneMethylprednisolone2121
SilodosinSilodosin21suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid21suppressed
Donepezil HclDonepezil Hcl20suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide20suppressed
Ropinirole HclRopinirole Hcl20suppressed
Hydralazine HclHydralazine Hcl19suppressed
Ondansetron OdtOndansetron1815
JardianceEmpagliflozin17suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine16suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium15suppressed
EszopicloneEszopiclone15suppressed
FenofibrateFenofibrate15suppressed
GlipizideGlipizide15suppressed
NystatinNystatin15suppressed
AcyclovirAcyclovir14suppressed
DiazepamDiazepam14suppressed
Propranolol HclPropranolol Hcl14suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
Cholestyramine LightCholestyramine13suppressed
PregabalinPregabalin13suppressed
Tizanidine HclTizanidine Hcl13suppressed
TrintellixVortioxetine Hydrobromide13suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1211
Ciprofloxacin HclCiprofloxacin Hcl12suppressed
EstradiolEstradiol12suppressed
IbuprofenIbuprofen12suppressed
Labetalol HclLabetalol Hcl12suppressed
Solifenacin SuccinateSolifenacin Succinate12suppressed
SucralfateSucralfate12suppressed
Verapamil ErVerapamil Hcl12suppressed
AmoxicillinAmoxicillin11suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog11suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate11suppressed
Dicyclomine HclDicyclomine Hcl11suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
EuthyroxLevothyroxine Sodium11suppressed
IrbesartanIrbesartan11suppressed
LorazepamLorazepam11suppressed
MinoxidilMinoxidil11suppressed
Ondansetron HclOndansetron Hcl11suppressed
TrulicityDulaglutide11suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide11suppressed

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