Healthcare provider profile · identity verified

Allen Davis, M.D.

Internal Medicine · DANBURY, CT · NPI 1639163439

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 Calcium806236
Rosuvastatin CalciumRosuvastatin Calcium545164
Amlodipine BesylateAmlodipine Besylate455128
LisinoprilLisinopril30291
Levothyroxine SodiumLevothyroxine Sodium26477
HydrochlorothiazideHydrochlorothiazide22262
ValsartanValsartan18851
Losartan PotassiumLosartan Potassium17950
JardianceEmpagliflozin17445
Pantoprazole SodiumPantoprazole Sodium16958
Metoprolol SuccinateMetoprolol Succinate15143
AllopurinolAllopurinol13442
Metformin HclMetformin Hcl13041
Alendronate SodiumAlendronate Sodium12443
Tamsulosin HclTamsulosin Hcl12339
Metformin Hcl ErMetformin Hcl11838
IrbesartanIrbesartan11330
MeloxicamMeloxicam11139
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide10935
OmeprazoleOmeprazole10931
FurosemideFurosemide10534
Sertraline HclSertraline Hcl10427
SimvastatinSimvastatin10430
Escitalopram OxalateEscitalopram Oxalate10034
Pravastatin SodiumPravastatin Sodium8327
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide8124
EliquisApixaban8021
ClopidogrelClopidogrel Bisulfate7829
Metoprolol TartrateMetoprolol Tartrate7720
GabapentinGabapentin7322
Bupropion XlBupropion Hcl6719
Zolpidem TartrateZolpidem Tartrate6516
ClonazepamClonazepam6114
SynthroidLevothyroxine Sodium6016
XareltoRivaroxaban5512
EzetimibeEzetimibe5419
Montelukast SodiumMontelukast Sodium5014
AtenololAtenolol4917
JanuviaSitagliptin Phosphate4216
Citalopram HbrCitalopram Hydrobromide3811
FamotidineFamotidine3814
AlprazolamAlprazolam3613
Albuterol Sulfate HfaAlbuterol Sulfate3321
CarvedilolCarvedilol33suppressed
Trazodone HclTrazodone Hcl31suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium3011
ValacyclovirValacyclovir Hcl29suppressed
Fluticasone PropionateFluticasone Propionate2811
OzempicSemaglutide28suppressed
FinasterideFinasteride27suppressed
Duloxetine HclDuloxetine Hcl2511
LorazepamLorazepam25suppressed
Warfarin SodiumWarfarin Sodium24suppressed
CelecoxibCelecoxib23suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2316
TrulicityDulaglutide23suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl21suppressed
ChlorthalidoneChlorthalidone20suppressed
DiazepamDiazepam20suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol20suppressed
GlimepirideGlimepiride20suppressed
TestosteroneTestosterone20suppressed
IbuprofenIbuprofen19suppressed
SpironolactoneSpironolactone19suppressed
FenofibrateFenofibrate Nanocrystallized18suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1814
Paroxetine HclParoxetine Hcl18suppressed
Tramadol HclTramadol Hcl18suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter18suppressed
AzithromycinAzithromycin1716
Doxazosin MesylateDoxazosin Mesylate17suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide17suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide16suppressed
Meclizine HclMeclizine Hcl16suppressed
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
Wixela InhubFluticasone Propion/Salmeterol16suppressed
FarxigaDapagliflozin Propanediol15suppressed
Nifedipine ErNifedipine15suppressed
RamiprilRamipril15suppressed
Donepezil HclDonepezil Hcl13suppressed
NystatinNystatin1311
Pioglitazone HclPioglitazone Hcl13suppressed
Verapamil ErVerapamil Hcl13suppressed
Atenolol-ChlorthalidoneAtenolol/Chlorthalidone12suppressed
GlipizideGlipizide12suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12suppressed
PaxlovidNirmatrelvir/Ritonavir1212
PrednisonePrednisone12suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril11suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1111
Doxycycline MonohydrateDoxycycline Monohydrate11suppressed
FamciclovirFamciclovir11suppressed
Fluoxetine HclFluoxetine Hcl11suppressed
JanumetSitagliptin Phos/Metformin Hcl11suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11suppressed
Ropinirole HclRopinirole Hcl11suppressed
TelmisartanTelmisartan11suppressed
Terazosin HclTerazosin Hcl11suppressed
TorsemideTorsemide11suppressed

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