Healthcare provider profile · identity verified

Earle Smith Williamson, D.O.

Family Practice · READING, PA · NPI 1992188387

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 Calcium439139
Levothyroxine SodiumLevothyroxine Sodium437110
Amlodipine BesylateAmlodipine Besylate34599
LisinoprilLisinopril327105
Losartan PotassiumLosartan Potassium23369
Pantoprazole SodiumPantoprazole Sodium22067
OmeprazoleOmeprazole20666
Metformin HclMetformin Hcl19064
SimvastatinSimvastatin18556
Tamsulosin HclTamsulosin Hcl18552
GabapentinGabapentin16144
Metformin Hcl ErMetformin Hcl16053
AlprazolamAlprazolam15946
HydrochlorothiazideHydrochlorothiazide15545
Pravastatin SodiumPravastatin Sodium15039
Trazodone HclTrazodone Hcl14541
Sertraline HclSertraline Hcl14148
FurosemideFurosemide14040
Albuterol Sulfate HfaAlbuterol Sulfate13542
Tramadol HclTramadol Hcl12834
Montelukast SodiumMontelukast Sodium12738
Metoprolol TartrateMetoprolol Tartrate12436
Metoprolol SuccinateMetoprolol Succinate11539
EliquisApixaban10725
ClonazepamClonazepam9921
Rosuvastatin CalciumRosuvastatin Calcium9127
Potassium ChloridePotassium Chloride8622
GlimepirideGlimepiride6819
Fluticasone PropionateFluticasone Propionate6626
Lantus SolostarInsulin Glargine,hum.Rec.Anlog6320
Triamcinolone AcetonideTriamcinolone Acetonide6334
Escitalopram OxalateEscitalopram Oxalate6018
LorazepamLorazepam6016
AllopurinolAllopurinol5716
XareltoRivaroxaban5413
JardianceEmpagliflozin5312
MethylprednisoloneMethylprednisolone5347
SynthroidLevothyroxine Sodium5114
Duloxetine HclDuloxetine Hcl4913
IbuprofenIbuprofen4814
AtenololAtenolol4714
Bupropion XlBupropion Hcl4712
FinasterideFinasteride4713
JanuviaSitagliptin Phosphate4613
Zolpidem TartrateZolpidem Tartrate4616
Pioglitazone HclPioglitazone Hcl4513
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4414
PrednisonePrednisone4412
Bisoprolol FumarateBisoprolol Fumarate4313
MirtazapineMirtazapine4315
NaproxenNaproxen4213
CelecoxibCelecoxib4112
FamotidineFamotidine4111
CarvedilolCarvedilol3913
EzetimibeEzetimibe3913
Diclofenac SodiumDiclofenac Sodium3811
GlipizideGlipizide36suppressed
PregabalinPregabalin35suppressed
Ropinirole HclRopinirole Hcl35suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter35suppressed
FarxigaDapagliflozin Propanediol34suppressed
Alendronate SodiumAlendronate Sodium3312
Cyclobenzaprine HclCyclobenzaprine Hcl3317
Hydralazine HclHydralazine Hcl32suppressed
Sumatriptan SuccinateSumatriptan Succinate32suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3127
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen31suppressed
AzithromycinAzithromycin3026
Doxycycline HyclateDoxycycline Hyclate3025
Meclizine HclMeclizine Hcl3012
Pramipexole DihydrochloridePramipexole Di-Hcl30suppressed
ValacyclovirValacyclovir Hcl3011
LamotrigineLamotrigine29suppressed
Tizanidine HclTizanidine Hcl29suppressed
TradjentaLinagliptin29suppressed
Glipizide ErGlipizide28suppressed
Oxycodone HclOxycodone Hcl28suppressed
Fluoxetine HclFluoxetine Hcl27suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen2712
Quetiapine FumarateQuetiapine Fumarate27suppressed
TrulicityDulaglutide27suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril26suppressed
ClopidogrelClopidogrel Bisulfate26suppressed
InvokanaCanagliflozin25suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride25suppressed
Paroxetine HclParoxetine Hcl25suppressed
KetoconazoleKetoconazole24suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic24suppressed
Oxybutynin Chloride ErOxybutynin Chloride24suppressed
SpironolactoneSpironolactone24suppressed
ValsartanValsartan23suppressed
Venlafaxine Hcl ErVenlafaxine Hcl23suppressed
Buspirone HclBuspirone Hcl22suppressed
Enalapril MaleateEnalapril Maleate22suppressed
Benazepril HclBenazepril Hcl21suppressed
EntrestoSacubitril/Valsartan21suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2116
RamiprilRamipril21suppressed
Citalopram HbrCitalopram Hydrobromide20suppressed
Divalproex SodiumDivalproex Sodium20suppressed
Pyridostigmine BromidePyridostigmine Bromide20suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate18suppressed
Terazosin HclTerazosin Hcl18suppressed
TopiramateTopiramate18suppressed
Varenicline TartrateVarenicline Tartrate18suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr17suppressed
Breo ElliptaFluticasone/Vilanterol17suppressed
FenofibrateFenofibrate Nanocrystallized17suppressed
Ondansetron HclOndansetron Hcl17suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide16suppressed
Bupropion Hcl SrBupropion Hcl16suppressed
Hydroxyzine HclHydroxyzine Hcl16suppressed
MeloxicamMeloxicam16suppressed
Acetaminophen-CodeineAcetaminophen With Codeine15suppressed
LactuloseLactulose15suppressed
LatanoprostLatanoprost15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
SucralfateSucralfate15suppressed
Testosterone CypionateTestosterone Cypionate15suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine14suppressed
Prochlorperazine MaleateProchlorperazine Maleate14suppressed
FenofibrateFenofibrate13suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters13suppressed
PrimidonePrimidone13suppressed
Amitriptyline HclAmitriptyline Hcl12suppressed
AzathioprineAzathioprine12suppressed
BaclofenBaclofen12suppressed
GlycopyrrolateGlycopyrrolate12suppressed
Humalog Kwikpen U-100Insulin Lispro12suppressed
Mesalamine DrMesalamine12suppressed
MethocarbamolMethocarbamol12suppressed
Novolin NInsulin Nph Human Isophane12suppressed
Novolog FlexpenInsulin Aspart12suppressed
OzempicSemaglutide12suppressed
SynjardyEmpagliflozin/Metformin Hcl12suppressed
Tresiba Flextouch U-100Insulin Degludec12suppressed
Verapamil ErVerapamil Hcl12suppressed
Ciprofloxacin HclCiprofloxacin Hcl11suppressed
ConstuloseLactulose11suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium11suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol11suppressed
LevetiracetamLevetiracetam11suppressed
LovastatinLovastatin11suppressed
Nebivolol HclNebivolol Hcl11suppressed
NitroglycerinNitroglycerin11suppressed
Spiriva RespimatTiotropium Bromide11suppressed
SymbicortBudesonide/Formoterol Fumarate11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed
VeltassaPatiromer Calcium Sorbitex11suppressed

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