Healthcare provider profile · identity verified

Catherine Anne Ayers, M.D.

Family Practice · VERGENNES, VT · NPI 1114269503

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 Calcium22965
Losartan PotassiumLosartan Potassium15145
GabapentinGabapentin14326
OmeprazoleOmeprazole13840
Levothyroxine SodiumLevothyroxine Sodium13535
LisinoprilLisinopril13442
Amlodipine BesylateAmlodipine Besylate11127
Rosuvastatin CalciumRosuvastatin Calcium11136
Albuterol Sulfate HfaAlbuterol Sulfate10125
HydrochlorothiazideHydrochlorothiazide7624
EliquisApixaban7315
LorazepamLorazepam6713
SimvastatinSimvastatin6721
Oxycodone HclOxycodone Hcl6111
Sertraline HclSertraline Hcl6117
Metformin Hcl ErMetformin Hcl5812
Metformin HclMetformin Hcl5718
Metoprolol SuccinateMetoprolol Succinate5217
Tramadol HclTramadol Hcl51suppressed
TrulicityDulaglutide48suppressed
FamotidineFamotidine4313
Tamsulosin HclTamsulosin Hcl4311
Pantoprazole SodiumPantoprazole Sodium4217
ClonazepamClonazepam41suppressed
FurosemideFurosemide4015
JardianceEmpagliflozin38suppressed
Venlafaxine Hcl ErVenlafaxine Hcl37suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3211
Fluoxetine HclFluoxetine Hcl32suppressed
Fluticasone PropionateFluticasone Propionate3211
Lantus SolostarInsulin Glargine,hum.Rec.Anlog32suppressed
Metoprolol TartrateMetoprolol Tartrate32suppressed
Pravastatin SodiumPravastatin Sodium3211
SpironolactoneSpironolactone32suppressed
Alendronate SodiumAlendronate Sodium31suppressed
Duloxetine HclDuloxetine Hcl3113
Escitalopram OxalateEscitalopram Oxalate31suppressed
Ventolin HfaAlbuterol Sulfate31suppressed
Trazodone HclTrazodone Hcl3011
Bupropion XlBupropion Hcl29suppressed
AllopurinolAllopurinol28suppressed
Morphine Sulfate ErMorphine Sulfate28suppressed
Combivent RespimatIpratropium/Albuterol Sulfate26suppressed
DiazepamDiazepam26suppressed
Montelukast SodiumMontelukast Sodium26suppressed
TorsemideTorsemide26suppressed
LovastatinLovastatin24suppressed
Amitriptyline HclAmitriptyline Hcl23suppressed
FinasterideFinasteride23suppressed
PregabalinPregabalin22suppressed
ValacyclovirValacyclovir Hcl22suppressed
Buspirone HclBuspirone Hcl21suppressed
Donepezil HclDonepezil Hcl21suppressed
Citalopram HbrCitalopram Hydrobromide20suppressed
MirtazapineMirtazapine20suppressed
Enalapril MaleateEnalapril Maleate18suppressed
EstradiolEstradiol18suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide18suppressed
NystatinNystatin18suppressed
OzempicSemaglutide18suppressed
SuboxoneBuprenorphine Hcl/Naloxone Hcl18suppressed
Breo ElliptaFluticasone/Vilanterol17suppressed
JanuviaSitagliptin Phosphate17suppressed
MounjaroTirzepatide17suppressed
Xtampza ErOxycodone Myristate17suppressed
Advair HfaFluticasone Propion/Salmeterol16suppressed
EzetimibeEzetimibe16suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen16suppressed
Oxybutynin Chloride ErOxybutynin Chloride16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol15suppressed
MyrbetriqMirabegron15suppressed
PrednisonePrednisone1512
Tizanidine HclTizanidine Hcl15suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic15suppressed
Zolpidem TartrateZolpidem Tartrate15suppressed
Doxycycline HyclateDoxycycline Hyclate14suppressed
RisperidoneRisperidone14suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter14suppressed
RoflumilastRoflumilast13suppressed
Warfarin SodiumWarfarin Sodium13suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium12suppressed
Ondansetron HclOndansetron Hcl12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
Valproic AcidValproic Acid (As Sodium Salt)12suppressed
AlprazolamAlprazolam11suppressed
ChlorthalidoneChlorthalidone11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
Ondansetron OdtOndansetron11suppressed
Prazosin HclPrazosin 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