Healthcare provider profile · identity verified

Wendell Bryan Williams, MD

Family Practice · OAKLAND, CA · NPI 1093703357

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 Calcium392137
Amlodipine BesylateAmlodipine Besylate316102
LisinoprilLisinopril25591
Albuterol Sulfate HfaAlbuterol Sulfate236108
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20150
Losartan PotassiumLosartan Potassium19270
Levothyroxine SodiumLevothyroxine Sodium17457
GabapentinGabapentin15459
AtenololAtenolol13846
Metformin Hcl ErMetformin Hcl13757
Fluticasone PropionateFluticasone Propionate13256
FurosemideFurosemide13256
Tamsulosin HclTamsulosin Hcl12350
Metformin HclMetformin Hcl12143
OzempicSemaglutide11827
SimvastatinSimvastatin11738
OmeprazoleOmeprazole9945
Pantoprazole SodiumPantoprazole Sodium8731
Hydralazine HclHydralazine Hcl8532
HydrochlorothiazideHydrochlorothiazide8535
Oxycodone HclOxycodone Hcl8413
FamotidineFamotidine8338
AlvescoCiclesonide7942
Pravastatin SodiumPravastatin Sodium7726
IbuprofenIbuprofen7637
Metoprolol TartrateMetoprolol Tartrate7233
AllopurinolAllopurinol7124
FinasterideFinasteride6423
Trazodone HclTrazodone Hcl6227
Wixela InhubFluticasone Propion/Salmeterol6119
GlipizideGlipizide6019
PrednisonePrednisone5833
Morphine Sulfate ErMorphine Sulfate57suppressed
CephalexinCephalexin5542
Montelukast SodiumMontelukast Sodium5519
Triamcinolone AcetonideTriamcinolone Acetonide5222
JardianceEmpagliflozin5116
Metoprolol SuccinateMetoprolol Succinate4918
Alendronate SodiumAlendronate Sodium4717
CarvedilolCarvedilol4718
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4639
LorazepamLorazepam4622
PradaxaDabigatran Etexilate Mesylate4617
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4316
Terazosin HclTerazosin Hcl4315
AzithromycinAzithromycin4235
HydrocortisoneHydrocortisone4226
Sertraline HclSertraline Hcl4113
Acetaminophen-CodeineAcetaminophen With Codeine3917
MeloxicamMeloxicam3824
MirtazapineMirtazapine3811
TopiramateTopiramate3813
Doxycycline MonohydrateDoxycycline Monohydrate3733
Hydromorphone HclHydromorphone Hcl37suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf3727
Duloxetine HclDuloxetine Hcl3614
PregabalinPregabalin3614
Spiriva RespimatTiotropium Bromide3612
Potassium ChloridePotassium Chloride3515
AmoxicillinAmoxicillin3413
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen3312
Glipizide ErGlipizide3212
Rosuvastatin CalciumRosuvastatin Calcium3211
ClopidogrelClopidogrel Bisulfate31suppressed
MupirocinMupirocin3126
Diclofenac SodiumDiclofenac Sodium3016
LovastatinLovastatin30suppressed
AcyclovirAcyclovir2914
Ropinirole HclRopinirole Hcl29suppressed
Ondansetron OdtOndansetron2817
BreynaBudesonide/Formoterol Fumarate2714
Isosorbide Mononitrate ErIsosorbide Mononitrate27suppressed
Azelastine HclAzelastine Hcl25suppressed
Escitalopram OxalateEscitalopram Oxalate25suppressed
NabumetoneNabumetone2513
Pioglitazone HclPioglitazone Hcl25suppressed
SucralfateSucralfate2511
Trospium ChlorideTrospium Chloride25suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide24suppressed
Ciprofloxacin HclCiprofloxacin Hcl2321
Clindamycin HclClindamycin Hcl2319
FluocinonideFluocinonide23suppressed
Fluoxetine HclFluoxetine Hcl23suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac2222
PaxlovidNirmatrelvir/Ritonavir2222
Tizanidine HclTizanidine Hcl2213
ColchicineColchicine21suppressed
Hydroxyzine HclHydroxyzine Hcl21suppressed
Clonidine HclClonidine Hcl20suppressed
Humulin N KwikpenInsulin Nph Human Isophane20suppressed
Tramadol HclTramadol Hcl20suppressed
Bupropion XlBupropion Hcl19suppressed
Buspirone HclBuspirone Hcl19suppressed
Zolpidem TartrateZolpidem Tartrate19suppressed
Dicyclomine HclDicyclomine Hcl18suppressed
Nifedipine ErNifedipine18suppressed
BaclofenBaclofen17suppressed
EliquisApixaban17suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn17suppressed
Ondansetron HclOndansetron Hcl17suppressed
Clobetasol PropionateClobetasol Propionate16suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic16suppressed
FenofibrateFenofibrate15suppressed
Nortriptyline HclNortriptyline Hcl15suppressed
Sumatriptan SuccinateSumatriptan Succinate15suppressed
TemazepamTemazepam15suppressed
Benazepril HclBenazepril Hcl14suppressed
KetoconazoleKetoconazole14suppressed
Morphine SulfateMorphine Sulfate14suppressed
Neomycin-Polymyxin-DexamethNeomycin/Polymyxin B/Dexametha1413
Venlafaxine HclVenlafaxine Hcl14suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium13suppressed
Tramadol Hcl-AcetaminophenTramadol Hcl/Acetaminophen13suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1212
ChlorthalidoneChlorthalidone12suppressed
Humulin NInsulin Nph Human Isophane12suppressed
NaproxenNaproxen12suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml12suppressed
FentanylFentanyl11suppressed
FluconazoleFluconazole11suppressed
Metoclopramide HclMetoclopramide Hcl11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1111
Propranolol HclPropranolol Hcl11suppressed
Retin-ATretinoin11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1111
ValacyclovirValacyclovir 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