Healthcare provider profile · identity verified

Lewin Go Chuachiaco, MD

Internal Medicine · DULUTH, GA · NPI 1134270721

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 Calcium590180
Amlodipine BesylateAmlodipine Besylate451127
LisinoprilLisinopril27688
Pantoprazole SodiumPantoprazole Sodium26698
Rosuvastatin CalciumRosuvastatin Calcium23773
Losartan PotassiumLosartan Potassium22066
Levothyroxine SodiumLevothyroxine Sodium21866
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20837
Potassium ChloridePotassium Chloride20560
Tamsulosin HclTamsulosin Hcl18959
HydrochlorothiazideHydrochlorothiazide17253
GabapentinGabapentin17060
Albuterol Sulfate HfaAlbuterol Sulfate15776
Metformin Hcl ErMetformin Hcl15747
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide14542
Metformin HclMetformin Hcl14239
JardianceEmpagliflozin13834
SimvastatinSimvastatin13439
OmeprazoleOmeprazole13144
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12814
GlipizideGlipizide12741
Metoprolol TartrateMetoprolol Tartrate11334
Montelukast SodiumMontelukast Sodium11034
Trazodone HclTrazodone Hcl10335
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide10128
AllopurinolAllopurinol9730
PradaxaDabigatran Etexilate Mesylate9526
IbuprofenIbuprofen8638
MeloxicamMeloxicam8635
FinasterideFinasteride8426
Metoprolol SuccinateMetoprolol Succinate8331
PrednisonePrednisone8358
Alendronate SodiumAlendronate Sodium8229
ClopidogrelClopidogrel Bisulfate7726
Sertraline HclSertraline Hcl7728
Tramadol HclTramadol Hcl7724
Trospium ChlorideTrospium Chloride7728
LovastatinLovastatin7320
FurosemideFurosemide7135
Wixela InhubFluticasone Propion/Salmeterol6818
AtenololAtenolol6623
Doxazosin MesylateDoxazosin Mesylate6418
Oxycodone HclOxycodone Hcl61suppressed
MupirocinMupirocin5129
Buspirone HclBuspirone Hcl5018
CarvedilolCarvedilol5018
Memantine HclMemantine Hcl4814
MirtazapineMirtazapine4717
Insulin Glargine-YfgnInsulin Glargine-Yfgn4617
Ondansetron OdtOndansetron4619
HydrocortisoneHydrocortisone4118
Pravastatin SodiumPravastatin Sodium4112
AlvescoCiclesonide3915
SpironolactoneSpironolactone3911
Triamcinolone AcetonideTriamcinolone Acetonide3722
Ropinirole HclRopinirole Hcl35suppressed
AcyclovirAcyclovir3411
NitroglycerinNitroglycerin3412
Tizanidine HclTizanidine Hcl33suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid33suppressed
NystatinNystatin3217
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml3213
Donepezil HclDonepezil Hcl30suppressed
Escitalopram OxalateEscitalopram Oxalate29suppressed
Fluoxetine HclFluoxetine Hcl29suppressed
Zolpidem TartrateZolpidem Tartrate29suppressed
Venlafaxine Hcl ErVenlafaxine Hcl28suppressed
AzithromycinAzithromycin2725
CephalexinCephalexin2725
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf2525
Diclofenac SodiumDiclofenac Sodium25suppressed
Doxycycline MonohydrateDoxycycline Monohydrate2523
Humulin NInsulin Nph Human Isophane25suppressed
KetoconazoleKetoconazole2511
NaproxenNaproxen25suppressed
EzetimibeEzetimibe24suppressed
Humulin 70-30Insulin Nph Hum/Reg Insulin Hm24suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2321
FenofibrateFenofibrate23suppressed
Hydralazine HclHydralazine Hcl22suppressed
Propranolol HclPropranolol Hcl22suppressed
Warfarin SodiumWarfarin Sodium22suppressed
AmoxicillinAmoxicillin2113
Humulin RInsulin Regular, Human21suppressed
Ipratropium BromideIpratropium Bromide21suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl21suppressed
Ciprofloxacin HclCiprofloxacin Hcl2015
FluconazoleFluconazole2014
Acetaminophen-CodeineAcetaminophen With Codeine19suppressed
Humulin 70/30 KwikpenInsulin Nph Hum/Reg Insulin Hm18suppressed
Felodipine ErFelodipine17suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1717
Duloxetine HclDuloxetine Hcl16suppressed
Labetalol HclLabetalol Hcl16suppressed
MethylprednisoloneMethylprednisolone1615
XareltoRivaroxaban16suppressed
Humulin N KwikpenInsulin Nph Human Isophane15suppressed
LactuloseLactulose15suppressed
MetronidazoleMetronidazole1511
PregabalinPregabalin15suppressed
Darifenacin ErDarifenacin Hydrobromide14suppressed
EstradiolEstradiol14suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic14suppressed
Ondansetron HclOndansetron Hcl14suppressed
Pioglitazone HclPioglitazone Hcl14suppressed
Amiodarone HclAmiodarone Hcl13suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine13suppressed
Clonidine Hcl ErClonidine Hcl13suppressed
EpinephrineEpinephrine13suppressed
Promethazine HclPromethazine Hcl13suppressed
Sure Comfort Pen NeedlePen Needle, Diabetic13suppressed
TorsemideTorsemide13suppressed
Chlorhexidine GluconateChlorhexidine Gluconate12suppressed
SsdSilver Sulfadiazine12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
ValsartanValsartan12suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1111
Clindamycin HclClindamycin Hcl11suppressed
Colestipol HclColestipol Hcl11suppressed
Fludrocortisone AcetateFludrocortisone Acetate11suppressed
Morphine Sulfate ErMorphine Sulfate11suppressed
TopiramateTopiramate11suppressed

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