Healthcare provider profile · identity verified

William Joseph Slade, D.O.

Family Practice · SOUTH KINGSTOWN, RI · NPI 1730414640

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
Amlodipine BesylateAmlodipine Besylate623173
Atorvastatin CalciumAtorvastatin Calcium617177
Losartan PotassiumLosartan Potassium497131
Rosuvastatin CalciumRosuvastatin Calcium475147
LisinoprilLisinopril35897
Levothyroxine SodiumLevothyroxine Sodium34781
OmeprazoleOmeprazole28481
SimvastatinSimvastatin26657
Metoprolol SuccinateMetoprolol Succinate24668
Trazodone HclTrazodone Hcl21065
EliquisApixaban16731
GabapentinGabapentin15842
HydrochlorothiazideHydrochlorothiazide15850
FamotidineFamotidine15748
AlprazolamAlprazolam14335
Escitalopram OxalateEscitalopram Oxalate14042
OzempicSemaglutide12821
Fluticasone PropionateFluticasone Propionate12250
Pantoprazole SodiumPantoprazole Sodium12034
Metformin HclMetformin Hcl11930
Metoprolol TartrateMetoprolol Tartrate11928
Duloxetine HclDuloxetine Hcl11525
JardianceEmpagliflozin11422
Potassium ChloridePotassium Chloride11129
AllopurinolAllopurinol10930
FurosemideFurosemide10931
Tamsulosin HclTamsulosin Hcl10839
Citalopram HbrCitalopram Hydrobromide10424
LorazepamLorazepam9623
Albuterol Sulfate HfaAlbuterol Sulfate9534
Metformin Hcl ErMetformin Hcl9526
Venlafaxine Hcl ErVenlafaxine Hcl8617
IbuprofenIbuprofen8023
Sertraline HclSertraline Hcl8024
Olmesartan MedoxomilOlmesartan Medoxomil7925
AtenololAtenolol7721
Fluoxetine HclFluoxetine Hcl6911
Donepezil HclDonepezil Hcl6417
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6221
ClopidogrelClopidogrel Bisulfate6120
Alendronate SodiumAlendronate Sodium5914
CarvedilolCarvedilol5814
Bupropion XlBupropion Hcl5619
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid5516
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen53suppressed
Oxycodone HclOxycodone Hcl5313
Tramadol HclTramadol Hcl5313
SpironolactoneSpironolactone5015
ValsartanValsartan5013
Pravastatin SodiumPravastatin Sodium4717
RybelsusSemaglutide47suppressed
Klor-Con M20Potassium Chloride4214
Montelukast SodiumMontelukast Sodium4215
Propranolol HclPropranolol Hcl4213
Trelegy ElliptaFluticasone/Umeclidin/Vilanter4211
FinasterideFinasteride41suppressed
PrednisonePrednisone4030
Diltiazem 24hr Er (Cd)Diltiazem Hcl37suppressed
Zolpidem TartrateZolpidem Tartrate3611
SynthroidLevothyroxine Sodium35suppressed
Enalapril MaleateEnalapril Maleate34suppressed
NystatinNystatin3422
Cyclobenzaprine HclCyclobenzaprine Hcl3221
Hydralazine HclHydralazine Hcl32suppressed
Chlorhexidine GluconateChlorhexidine Gluconate31suppressed
Doxycycline HyclateDoxycycline Hyclate3129
TrulicityDulaglutide31suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide30suppressed
MeloxicamMeloxicam30suppressed
MirtazapineMirtazapine30suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen30suppressed
ClonazepamClonazepam29suppressed
Breo ElliptaFluticasone/Vilanterol27suppressed
ChlorthalidoneChlorthalidone27suppressed
Liothyronine SodiumLiothyronine Sodium27suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate25suppressed
EzetimibeEzetimibe24suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2419
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide24suppressed
Diclofenac SodiumDiclofenac Sodium23suppressed
Doxazosin MesylateDoxazosin Mesylate23suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium23suppressed
XareltoRivaroxaban23suppressed
Ipratropium BromideIpratropium Bromide22suppressed
Methenamine HippurateMethenamine Hippurate22suppressed
Quetiapine FumarateQuetiapine Fumarate22suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2212
ValacyclovirValacyclovir Hcl2214
Ventolin HfaAlbuterol Sulfate2211
Benazepril HclBenazepril Hcl21suppressed
Hydromorphone HclHydromorphone Hcl21suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol20suppressed
WegovySemaglutide20suppressed
AripiprazoleAripiprazole19suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog19suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine19suppressed
Glipizide ErGlipizide19suppressed
Labetalol HclLabetalol Hcl19suppressed
RizatriptanRizatriptan Benzoate19suppressed
TemazepamTemazepam19suppressed
Colestipol HclColestipol Hcl18suppressed
EstradiolEstradiol18suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic18suppressed
NitrofurantoinNitrofurantoin Macrocrystal18suppressed
KetoconazoleKetoconazole17suppressed
MyrbetriqMirabegron17suppressed
Paroxetine HclParoxetine Hcl17suppressed
PaxlovidNirmatrelvir/Ritonavir1717
Azelastine HclAzelastine Hcl16suppressed
AzithromycinAzithromycin1615
CarisoprodolCarisoprodol16suppressed
DigoxinDigoxin16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril15suppressed
BaclofenBaclofen15suppressed
IrbesartanIrbesartan15suppressed
DiazepamDiazepam14suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride14suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide14suppressed
Ropinirole HclRopinirole Hcl14suppressed
ClonidineClonidine13suppressed
EpinephrineEpinephrine13suppressed
Felodipine ErFelodipine13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
Qvar RedihalerBeclomethasone Dipropionate13suppressed
RamiprilRamipril13suppressed
TestosteroneTestosterone13suppressed
Tresiba Flextouch U-100Insulin Degludec13suppressed
Wixela InhubFluticasone Propion/Salmeterol13suppressed
AmoxicillinAmoxicillin12suppressed
Dexlansoprazole DrDexlansoprazole12suppressed
FentanylFentanyl12suppressed
JanuviaSitagliptin Phosphate12suppressed
LamotrigineLamotrigine12suppressed
Memantine HclMemantine Hcl12suppressed
Sildenafil CitrateSildenafil Citrate12suppressed
SucralfateSucralfate12suppressed
GlimepirideGlimepiride11suppressed

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