Healthcare provider profile · identity verified

Hennessy Williams

Internal Medicine · BIRMINGHAM, AL · NPI 1427292747

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 Calcium590195
Amlodipine BesylateAmlodipine Besylate341107
Levothyroxine SodiumLevothyroxine Sodium25273
LisinoprilLisinopril24774
OmeprazoleOmeprazole21970
Losartan PotassiumLosartan Potassium20666
HydrochlorothiazideHydrochlorothiazide20466
GabapentinGabapentin20352
Metformin HclMetformin Hcl16654
Trazodone HclTrazodone Hcl15844
Pantoprazole SodiumPantoprazole Sodium12839
OzempicSemaglutide11119
Fluticasone PropionateFluticasone Propionate11053
FamotidineFamotidine10138
Rosuvastatin CalciumRosuvastatin Calcium10137
TrulicityDulaglutide9617
JardianceEmpagliflozin8922
Metoprolol SuccinateMetoprolol Succinate8728
Tamsulosin HclTamsulosin Hcl8424
Citalopram HbrCitalopram Hydrobromide8128
AtenololAtenolol7121
Pravastatin SodiumPravastatin Sodium7123
Bupropion XlBupropion Hcl6918
Duloxetine HclDuloxetine Hcl6920
Tramadol HclTramadol Hcl6915
AllopurinolAllopurinol6822
Alendronate SodiumAlendronate Sodium6526
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6523
Sertraline HclSertraline Hcl6423
Albuterol Sulfate HfaAlbuterol Sulfate6335
EliquisApixaban6316
Montelukast SodiumMontelukast Sodium6118
CarvedilolCarvedilol5417
SimvastatinSimvastatin5216
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5117
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride5016
Venlafaxine Hcl ErVenlafaxine Hcl4912
Escitalopram OxalateEscitalopram Oxalate4515
Esomeprazole MagnesiumEsomeprazole Magnesium45suppressed
Metformin Hcl ErMetformin Hcl4413
Donepezil HclDonepezil Hcl43suppressed
Fluoxetine HclFluoxetine Hcl4211
MeloxicamMeloxicam4012
MounjaroTirzepatide38suppressed
Potassium ChloridePotassium Chloride3311
Benazepril HclBenazepril Hcl32suppressed
Oxybutynin Chloride ErOxybutynin Chloride32suppressed
Paroxetine HclParoxetine Hcl32suppressed
Tizanidine HclTizanidine Hcl32suppressed
MethocarbamolMethocarbamol30suppressed
Metoprolol TartrateMetoprolol Tartrate3013
Lantus SolostarInsulin Glargine,hum.Rec.Anlog28suppressed
LovastatinLovastatin28suppressed
ChlorthalidoneChlorthalidone26suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril25suppressed
Buspirone HclBuspirone Hcl25suppressed
ClopidogrelClopidogrel Bisulfate24suppressed
SpironolactoneSpironolactone23suppressed
Triamcinolone AcetonideTriamcinolone Acetonide23suppressed
EstradiolEstradiol2014
EzetimibeEzetimibe20suppressed
FurosemideFurosemide20suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr19suppressed
Amitriptyline HclAmitriptyline Hcl18suppressed
FarxigaDapagliflozin Propanediol18suppressed
Ropinirole HclRopinirole Hcl18suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl17suppressed
Enalapril MaleateEnalapril Maleate17suppressed
ValacyclovirValacyclovir Hcl1711
RamiprilRamipril16suppressed
SynthroidLevothyroxine Sodium16suppressed
Memantine HclMemantine Hcl15suppressed
HydrocortisoneHydrocortisone14suppressed
ValsartanValsartan14suppressed
Bisoprolol FumarateBisoprolol Fumarate13suppressed
Doxepin HclDoxepin Hcl13suppressed
Azelastine HclAzelastine Hcl12suppressed
CelecoxibCelecoxib12suppressed
Dicyclomine HclDicyclomine Hcl12suppressed
XareltoRivaroxaban12suppressed
FinasterideFinasteride11suppressed
MyrbetriqMirabegron11suppressed
Pramipexole DihydrochloridePramipexole Di-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