Healthcare provider profile · identity verified

Steven Lieu, DO

Internal Medicine · MERIDEN, CT · NPI 1629001300

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 Calcium1061294
LisinoprilLisinopril397113
Levothyroxine SodiumLevothyroxine Sodium36196
Amlodipine BesylateAmlodipine Besylate360105
Rosuvastatin CalciumRosuvastatin Calcium29796
SimvastatinSimvastatin26473
Metformin HclMetformin Hcl25674
HydrochlorothiazideHydrochlorothiazide21666
Tamsulosin HclTamsulosin Hcl18257
Losartan PotassiumLosartan Potassium14040
OzempicSemaglutide12628
Metoprolol SuccinateMetoprolol Succinate12441
AllopurinolAllopurinol10832
Pantoprazole SodiumPantoprazole Sodium10735
GabapentinGabapentin10538
OmeprazoleOmeprazole10030
Alendronate SodiumAlendronate Sodium9933
Escitalopram OxalateEscitalopram Oxalate9830
AlprazolamAlprazolam9628
TelmisartanTelmisartan9625
Trazodone HclTrazodone Hcl7923
Sertraline HclSertraline Hcl7221
ValsartanValsartan7218
Fluticasone PropionateFluticasone Propionate7129
CarvedilolCarvedilol6718
GlimepirideGlimepiride5716
Benazepril HclBenazepril Hcl5515
Albuterol Sulfate HfaAlbuterol Sulfate5427
ClonazepamClonazepam5311
JardianceEmpagliflozin5116
ChlorthalidoneChlorthalidone5017
JanuviaSitagliptin Phosphate5015
FarxigaDapagliflozin Propanediol4711
Fluoxetine HclFluoxetine Hcl4613
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4611
FinasterideFinasteride4515
AtenololAtenolol4313
FurosemideFurosemide4316
Montelukast SodiumMontelukast Sodium4216
PrednisonePrednisone4234
EzetimibeEzetimibe4014
SpironolactoneSpironolactone3812
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril37suppressed
LorazepamLorazepam3716
Metoprolol TartrateMetoprolol Tartrate3512
Duloxetine HclDuloxetine Hcl33suppressed
Bupropion XlBupropion Hcl32suppressed
MirtazapineMirtazapine3216
MounjaroTirzepatide32suppressed
Pravastatin SodiumPravastatin Sodium32suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3114
Quetiapine FumarateQuetiapine Fumarate31suppressed
Citalopram HbrCitalopram Hydrobromide30suppressed
Sumatriptan SuccinateSumatriptan Succinate30suppressed
TrulicityDulaglutide30suppressed
Venlafaxine Hcl ErVenlafaxine Hcl30suppressed
Zolpidem TartrateZolpidem Tartrate30suppressed
Olmesartan MedoxomilOlmesartan Medoxomil28suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide28suppressed
Amitriptyline HclAmitriptyline Hcl27suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide27suppressed
DiazepamDiazepam26suppressed
Pioglitazone HclPioglitazone Hcl26suppressed
Alfuzosin Hcl ErAlfuzosin Hcl24suppressed
ClopidogrelClopidogrel Bisulfate24suppressed
LansoprazoleLansoprazole24suppressed
SynthroidLevothyroxine Sodium24suppressed
FamotidineFamotidine23suppressed
FenofibrateFenofibrate22suppressed
Metformin Hcl ErMetformin Hcl22suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic21suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl20suppressed
MeloxicamMeloxicam20suppressed
Wixela InhubFluticasone Propion/Salmeterol20suppressed
XareltoRivaroxaban20suppressed
CelecoxibCelecoxib19suppressed
Doxazosin MesylateDoxazosin Mesylate19suppressed
FenofibrateFenofibrate Nanocrystallized19suppressed
IrbesartanIrbesartan18suppressed
MyrbetriqMirabegron18suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1813
ValacyclovirValacyclovir Hcl18suppressed
Enalapril MaleateEnalapril Maleate17suppressed
RamiprilRamipril17suppressed
Verapamil ErVerapamil Hcl17suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium16suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen16suppressed
Mometasone FuroateMometasone Furoate1613
Tramadol Hcl-AcetaminophenTramadol Hcl/Acetaminophen16suppressed
Tresiba Flextouch U-200Insulin Degludec16suppressed
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)15suppressed
Paroxetine HclParoxetine Hcl15suppressed
TradjentaLinagliptin15suppressed
EliquisApixaban14suppressed
PregabalinPregabalin14suppressed
UnithroidLevothyroxine Sodium14suppressed
ColchicineColchicine13suppressed
Ipratropium BromideIpratropium Bromide13suppressed
Nifedipine ErNifedipine13suppressed
Potassium ChloridePotassium Chloride13suppressed
Ropinirole HclRopinirole Hcl13suppressed
TestosteroneTestosterone13suppressed
Warfarin SodiumWarfarin Sodium13suppressed
LovastatinLovastatin12suppressed
Sildenafil CitrateSildenafil Citrate12suppressed
Azelastine HclAzelastine Hcl11suppressed
Donepezil HclDonepezil Hcl11suppressed
DutasterideDutasteride11suppressed
EpinephrineEpinephrine11suppressed
Incruse ElliptaUmeclidinium Bromide11suppressed
NexletolBempedoic Acid11suppressed

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