Healthcare provider profile · identity verified

Alan Howard Feiler, M.D.

Family Practice · WEAVERVILLE, NC · NPI 1952308058

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 Calcium717214
Amlodipine BesylateAmlodipine Besylate562163
Losartan PotassiumLosartan Potassium544163
HydrochlorothiazideHydrochlorothiazide540159
Rosuvastatin CalciumRosuvastatin Calcium518144
Metoprolol SuccinateMetoprolol Succinate465137
GabapentinGabapentin37089
Levothyroxine SodiumLevothyroxine Sodium344101
LisinoprilLisinopril32498
OmeprazoleOmeprazole32198
Pantoprazole SodiumPantoprazole Sodium26669
Escitalopram OxalateEscitalopram Oxalate24269
SimvastatinSimvastatin23961
Trazodone HclTrazodone Hcl23369
Tamsulosin HclTamsulosin Hcl23071
AllopurinolAllopurinol19349
Fluticasone PropionateFluticasone Propionate18978
Potassium ChloridePotassium Chloride18554
Metoprolol TartrateMetoprolol Tartrate18249
Sertraline HclSertraline Hcl18154
Metformin HclMetformin Hcl17459
FurosemideFurosemide17261
OzempicSemaglutide16024
JardianceEmpagliflozin14939
MeloxicamMeloxicam14755
ClonazepamClonazepam13122
EliquisApixaban12933
FamotidineFamotidine12241
LorazepamLorazepam12226
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11823
Metformin Hcl ErMetformin Hcl11735
Zolpidem TartrateZolpidem Tartrate11525
Bupropion XlBupropion Hcl11336
Duloxetine HclDuloxetine Hcl11225
Albuterol Sulfate HfaAlbuterol Sulfate10634
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide9523
PrednisonePrednisone9466
XareltoRivaroxaban9421
Citalopram HbrCitalopram Hydrobromide9222
Olmesartan MedoxomilOlmesartan Medoxomil9131
Tramadol HclTramadol Hcl9122
CarvedilolCarvedilol8925
AlprazolamAlprazolam8716
SpironolactoneSpironolactone8724
Oxycodone HclOxycodone Hcl8314
ClopidogrelClopidogrel Bisulfate8122
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav7666
Montelukast SodiumMontelukast Sodium7524
Cyclobenzaprine HclCyclobenzaprine Hcl7426
Buspirone HclBuspirone Hcl7019
Pravastatin SodiumPravastatin Sodium7018
MounjaroTirzepatide6614
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6318
FinasterideFinasteride6116
Esomeprazole MagnesiumEsomeprazole Magnesium5918
TemazepamTemazepam5611
Lantus SolostarInsulin Glargine,hum.Rec.Anlog51suppressed
ChlorthalidoneChlorthalidone4712
Doxycycline HyclateDoxycycline Hyclate4742
GlimepirideGlimepiride4714
Pramipexole DihydrochloridePramipexole Di-Hcl46suppressed
Quetiapine FumarateQuetiapine Fumarate44suppressed
Fluoxetine HclFluoxetine Hcl4314
AtenololAtenolol4213
Benazepril HclBenazepril Hcl4212
Pioglitazone HclPioglitazone Hcl4114
SynthroidLevothyroxine Sodium39suppressed
Donepezil HclDonepezil Hcl3612
Triamcinolone AcetonideTriamcinolone Acetonide3519
NystatinNystatin3413
Ropinirole HclRopinirole Hcl34suppressed
SymbicortBudesonide/Formoterol Fumarate31suppressed
Glipizide ErGlipizide29suppressed
Propranolol HclPropranolol Hcl29suppressed
Venlafaxine Hcl ErVenlafaxine Hcl29suppressed
Warfarin SodiumWarfarin Sodium28suppressed
PregabalinPregabalin27suppressed
Paroxetine HclParoxetine Hcl26suppressed
Hydroxyzine HclHydroxyzine Hcl25suppressed
Amitriptyline HclAmitriptyline Hcl24suppressed
Ipratropium BromideIpratropium Bromide24suppressed
Klor-Con M20Potassium Chloride24suppressed
MirtazapineMirtazapine24suppressed
CephalexinCephalexin2318
DigoxinDigoxin23suppressed
Tizanidine HclTizanidine Hcl23suppressed
TrulicityDulaglutide23suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate21suppressed
Sumatriptan SuccinateSumatriptan Succinate21suppressed
Ondansetron OdtOndansetron20suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid20suppressed
Ventolin HfaAlbuterol Sulfate20suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide19suppressed
Promethazine HclPromethazine Hcl19suppressed
ValsartanValsartan19suppressed
DiazepamDiazepam18suppressed
LovastatinLovastatin18suppressed
NaproxenNaproxen18suppressed
Advair HfaFluticasone Propion/Salmeterol17suppressed
Meclizine HclMeclizine Hcl1715
Ondansetron HclOndansetron Hcl17suppressed
TorsemideTorsemide17suppressed
ValacyclovirValacyclovir Hcl1712
Venlafaxine HclVenlafaxine Hcl17suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl16suppressed
EzetimibeEzetimibe16suppressed
HydrocortisoneHydrocortisone16suppressed
NitroglycerinNitroglycerin16suppressed
RamiprilRamipril16suppressed
Spiriva RespimatTiotropium Bromide16suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter16suppressed
Varenicline TartrateVarenicline Tartrate16suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril15suppressed
Bupropion Hcl SrBupropion Hcl15suppressed
EntrestoSacubitril/Valsartan15suppressed
EstradiolEstradiol15suppressed
FenofibrateFenofibrate Nanocrystallized15suppressed
Solifenacin SuccinateSolifenacin Succinate15suppressed
AzithromycinAzithromycin1413
Enalapril MaleateEnalapril Maleate14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
LamotrigineLamotrigine14suppressed
CarisoprodolCarisoprodol13suppressed
CelecoxibCelecoxib13suppressed
Ciprofloxacin HclCiprofloxacin Hcl1313
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine13suppressed
Diclofenac SodiumDiclofenac Sodium13suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen13suppressed
TopiramateTopiramate13suppressed
AcyclovirAcyclovir12suppressed
Alfuzosin Hcl ErAlfuzosin Hcl12suppressed
Atacand HctCandesartan/Hydrochlorothiazid12suppressed
Azelastine HclAzelastine Hcl12suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate12suppressed
PaxlovidNirmatrelvir/Ritonavir1212
Chlorhexidine GluconateChlorhexidine Gluconate11suppressed
Diltiazem 12hr ErDiltiazem Hcl11suppressed
EszopicloneEszopiclone11suppressed
Memantine HclMemantine Hcl11suppressed
Raloxifene HclRaloxifene Hcl11suppressed
Tolterodine Tartrate ErTolterodine Tartrate11suppressed
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