Healthcare provider profile · identity verified

William Joseph Lago, M.D.

Family Practice · LOUISVILLE, OH · NPI 1467439232

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 Calcium755215
Levothyroxine SodiumLevothyroxine Sodium598130
OmeprazoleOmeprazole588153
LisinoprilLisinopril573160
Amlodipine BesylateAmlodipine Besylate475126
Losartan PotassiumLosartan Potassium36199
Pantoprazole SodiumPantoprazole Sodium35484
Metoprolol SuccinateMetoprolol Succinate33998
GabapentinGabapentin29378
Metformin HclMetformin Hcl27184
Metoprolol TartrateMetoprolol Tartrate24356
Sertraline HclSertraline Hcl22461
FurosemideFurosemide22056
Potassium ChloridePotassium Chloride21452
SimvastatinSimvastatin21254
HydrochlorothiazideHydrochlorothiazide20764
Metformin Hcl ErMetformin Hcl19757
TrulicityDulaglutide18632
EliquisApixaban17639
Rosuvastatin CalciumRosuvastatin Calcium17247
Trazodone HclTrazodone Hcl17039
Pravastatin SodiumPravastatin Sodium15347
Tamsulosin HclTamsulosin Hcl14440
Albuterol Sulfate HfaAlbuterol Sulfate14260
FamotidineFamotidine13641
Duloxetine HclDuloxetine Hcl13430
GlimepirideGlimepiride11927
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11829
ClopidogrelClopidogrel Bisulfate11637
CarvedilolCarvedilol11536
AtenololAtenolol10735
Warfarin SodiumWarfarin Sodium10624
Montelukast SodiumMontelukast Sodium10023
Buspirone HclBuspirone Hcl9016
Fluoxetine HclFluoxetine Hcl9026
XareltoRivaroxaban8412
Bupropion XlBupropion Hcl7622
Citalopram HbrCitalopram Hydrobromide7621
Fluticasone PropionateFluticasone Propionate7625
SpironolactoneSpironolactone7619
AllopurinolAllopurinol7522
SynthroidLevothyroxine Sodium7419
JanuviaSitagliptin Phosphate7313
EzetimibeEzetimibe6717
MeloxicamMeloxicam6727
ValsartanValsartan6615
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6521
JardianceEmpagliflozin6417
Escitalopram OxalateEscitalopram Oxalate6319
PrednisonePrednisone6342
Venlafaxine Hcl ErVenlafaxine Hcl6215
Doxazosin MesylateDoxazosin Mesylate6020
Pramipexole DihydrochloridePramipexole Di-Hcl58suppressed
FinasterideFinasteride5719
Tizanidine HclTizanidine Hcl5714
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid5716
Donepezil HclDonepezil Hcl54suppressed
Ropinirole HclRopinirole Hcl5412
Alendronate SodiumAlendronate Sodium5315
TopiramateTopiramate5211
MirtazapineMirtazapine51suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl4712
LovastatinLovastatin4712
Esomeprazole MagnesiumEsomeprazole Magnesium4612
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4612
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen45suppressed
LorazepamLorazepam4211
Humalog Kwikpen U-100Insulin Lispro4111
Fluticasone-SalmeterolFluticasone Propion/Salmeterol3911
Promethazine HclPromethazine Hcl39suppressed
SucralfateSucralfate39suppressed
Memantine HclMemantine Hcl38suppressed
Klor-Con M20Potassium Chloride36suppressed
Bupropion Hcl SrBupropion Hcl35suppressed
PregabalinPregabalin35suppressed
Colestipol HclColestipol Hcl34suppressed
Amitriptyline HclAmitriptyline Hcl33suppressed
Paroxetine HclParoxetine Hcl33suppressed
IbuprofenIbuprofen32suppressed
LansoprazoleLansoprazole32suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate31suppressed
GlipizideGlipizide30suppressed
Oxybutynin ChlorideOxybutynin Chloride30suppressed
Doxycycline MonohydrateDoxycycline Monohydrate2924
Enalapril MaleateEnalapril Maleate29suppressed
Pioglitazone HclPioglitazone Hcl29suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2820
TradjentaLinagliptin28suppressed
CelecoxibCelecoxib27suppressed
Clonidine HclClonidine Hcl27suppressed
FenofibrateFenofibrate Nanocrystallized27suppressed
Sumatriptan SuccinateSumatriptan Succinate27suppressed
Terazosin HclTerazosin Hcl26suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2512
Nano 2nd Gen Pen NeedlePen Needle, Diabetic2511
Spiriva RespimatTiotropium Bromide25suppressed
Hydralazine HclHydralazine Hcl24suppressed
Propranolol HclPropranolol Hcl24suppressed
Oxybutynin Chloride ErOxybutynin Chloride23suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter23suppressed
NystatinNystatin2212
Spiriva HandihalerTiotropium Bromide22suppressed
Vitamin D2Ergocalciferol (Vitamin D2)22suppressed
LevetiracetamLevetiracetam21suppressed
Nifedipine ErNifedipine21suppressed
Tramadol HclTramadol Hcl21suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate20suppressed
NaproxenNaproxen20suppressed
OzempicSemaglutide20suppressed
Zolpidem TartrateZolpidem Tartrate20suppressed
BaclofenBaclofen19suppressed
MounjaroTirzepatide19suppressed
AmoxicillinAmoxicillin1813
EstradiolEstradiol17suppressed
Folic AcidFolic Acid17suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro17suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
Amiodarone HclAmiodarone Hcl16suppressed
FenofibrateFenofibrate,micronized16suppressed
JantovenWarfarin Sodium16suppressed
RamiprilRamipril16suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic16suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
Verapamil ErVerapamil Hcl16suppressed
BumetanideBumetanide15suppressed
CilostazolCilostazol15suppressed
Olmesartan MedoxomilOlmesartan Medoxomil15suppressed
Tolterodine Tartrate ErTolterodine Tartrate15suppressed
TorsemideTorsemide15suppressed
Dicyclomine HclDicyclomine Hcl14suppressed
NitroglycerinNitroglycerin1411
Propranolol Hcl ErPropranolol Hcl14suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic14suppressed
Verapamil Er PmVerapamil Hcl14suppressed
AripiprazoleAripiprazole13suppressed
Breo ElliptaFluticasone/Vilanterol13suppressed
FarxigaDapagliflozin Propanediol13suppressed
FenofibrateFenofibrate13suppressed
GemtesaVibegron13suppressed
Hydroxyzine PamoateHydroxyzine Pamoate13suppressed
Incruse ElliptaUmeclidinium Bromide13suppressed
AzithromycinAzithromycin12suppressed
CephalexinCephalexin1212
Diclofenac SodiumDiclofenac Sodium12suppressed
DutasterideDutasteride12suppressed
Ipratropium BromideIpratropium Bromide12suppressed
JanumetSitagliptin Phos/Metformin Hcl12suppressed
LamotrigineLamotrigine12suppressed
Ondansetron OdtOndansetron12suppressed
RivastigmineRivastigmine Tartrate12suppressed
RizatriptanRizatriptan Benzoate12suppressed
UrsodiolUrsodiol12suppressed
DigoxinDigoxin11suppressed
EtodolacEtodolac11suppressed
Meclizine HclMeclizine Hcl11suppressed
Mometasone FuroateMometasone Furoate11suppressed

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