Healthcare provider profile · identity verified

Dennis Williams, M.D.

Internal Medicine · BRIDGEPORT, CT · NPI 1093715955

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 Calcium21358
Amlodipine BesylateAmlodipine Besylate19457
Rosuvastatin CalciumRosuvastatin Calcium11937
Metoprolol SuccinateMetoprolol Succinate10424
Pantoprazole SodiumPantoprazole Sodium8418
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7719
JardianceEmpagliflozin7320
Metformin HclMetformin Hcl7224
Fluticasone PropionateFluticasone Propionate7129
GabapentinGabapentin7012
CarvedilolCarvedilol6617
Levothyroxine SodiumLevothyroxine Sodium6523
LisinoprilLisinopril5915
Triamcinolone AcetonideTriamcinolone Acetonide5722
OmeprazoleOmeprazole5517
Albuterol Sulfate HfaAlbuterol Sulfate5416
TrulicityDulaglutide45suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog43suppressed
ClopidogrelClopidogrel Bisulfate42suppressed
Tamsulosin HclTamsulosin Hcl4214
Trazodone HclTrazodone Hcl4211
Losartan PotassiumLosartan Potassium4014
OzempicSemaglutide39suppressed
EliquisApixaban35suppressed
FarxigaDapagliflozin Propanediol35suppressed
Amlodipine-ValsartanAmlodipine Besylate/Valsartan3311
Diclofenac SodiumDiclofenac Sodium29suppressed
Telmisartan-HydrochlorothiazidTelmisartan/Hydrochlorothiazid29suppressed
JanuviaSitagliptin Phosphate28suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide27suppressed
FurosemideFurosemide26suppressed
SpironolactoneSpironolactone26suppressed
AllopurinolAllopurinol25suppressed
Amlodipine-AtorvastatinAmlodipine/Atorvastatin25suppressed
Breo ElliptaFluticasone/Vilanterol25suppressed
FamotidineFamotidine25suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl24suppressed
IbuprofenIbuprofen24suppressed
MounjaroTirzepatide20suppressed
AtenololAtenolol19suppressed
TorsemideTorsemide19suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid19suppressed
Metformin Hcl ErMetformin Hcl18suppressed
Sertraline HclSertraline Hcl18suppressed
SimvastatinSimvastatin18suppressed
Ammonium LactateAmmonium Lactate17suppressed
Metoprolol TartrateMetoprolol Tartrate17suppressed
Zolpidem TartrateZolpidem Tartrate17suppressed
Alendronate SodiumAlendronate Sodium16suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl16suppressed
GlimepirideGlimepiride16suppressed
PrednisonePrednisone16suppressed
TradjentaLinagliptin16suppressed
CelecoxibCelecoxib15suppressed
IsentressRaltegravir Potassium15suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril14suppressed
DescovyEmtricitabine/Tenofov Alafenam14suppressed
EtravirineEtravirine14suppressed
Humalog Mix 75-25 KwikpenInsulin Lispro Protamin/Lispro14suppressed
JulucaDolutegravir/Rilpivirine14suppressed
Potassium ChloridePotassium Chloride14suppressed
TivicayDolutegravir Sodium14suppressed
Alcohol PadsAlcohol Antiseptic Pads13suppressed
Duloxetine HclDuloxetine Hcl13suppressed
Enoxaparin SodiumEnoxaparin Sodium13suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
GlipizideGlipizide13suppressed
Hydralazine HclHydralazine Hcl13suppressed
Insulin Lispro Protamine MixInsulin Lispro Protamin/Lispro13suppressed
SynjardyEmpagliflozin/Metformin Hcl13suppressed
ValsartanValsartan13suppressed
Fosinopril SodiumFosinopril Sodium12suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate12suppressed
Janumet XrSitagliptin Phos/Metformin Hcl12suppressed
TriumeqAbacavir/Dolutegravir/Lamivudi12suppressed
AbacavirAbacavir Sulfate11suppressed
EntrestoSacubitril/Valsartan11suppressed
Montelukast SodiumMontelukast Sodium11suppressed
Paroxetine HclParoxetine Hcl11suppressed
Pravastatin SodiumPravastatin Sodium11suppressed
RepaglinideRepaglinide11suppressed
SymbicortBudesonide/Formoterol Fumarate11suppressed
Varenicline TartrateVarenicline Tartrate11suppressed

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