Healthcare provider profile · identity verified

Steven J Lake, MD

Internal Medicine · LONG BEACH, CA · NPI 1669494001

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
Levothyroxine SodiumLevothyroxine Sodium25664
Amlodipine BesylateAmlodipine Besylate23770
Atorvastatin CalciumAtorvastatin Calcium22859
Losartan PotassiumLosartan Potassium22666
Metformin HclMetformin Hcl16948
EliquisApixaban12630
Pantoprazole SodiumPantoprazole Sodium12536
GabapentinGabapentin11433
LisinoprilLisinopril10830
SimvastatinSimvastatin10330
Tamsulosin HclTamsulosin Hcl10137
FamotidineFamotidine9327
MeloxicamMeloxicam9323
FurosemideFurosemide8923
AzithromycinAzithromycin7150
Metoprolol TartrateMetoprolol Tartrate7019
OmeprazoleOmeprazole6921
HydrochlorothiazideHydrochlorothiazide6817
FarxigaDapagliflozin Propanediol6711
GlimepirideGlimepiride6513
EzetimibeEzetimibe6115
Metoprolol SuccinateMetoprolol Succinate5618
Trazodone HclTrazodone Hcl5515
Zolpidem TartrateZolpidem Tartrate5516
LovastatinLovastatin5414
ClopidogrelClopidogrel Bisulfate5214
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5212
LorazepamLorazepam5216
Albuterol Sulfate HfaAlbuterol Sulfate5019
AllopurinolAllopurinol5016
CarvedilolCarvedilol4913
PrednisonePrednisone4724
Potassium ChloridePotassium Chloride4311
Tramadol HclTramadol Hcl43suppressed
Rosuvastatin CalciumRosuvastatin Calcium4215
XareltoRivaroxaban4213
Escitalopram OxalateEscitalopram Oxalate40suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3911
LactuloseLactulose37suppressed
SpironolactoneSpironolactone3714
Duloxetine HclDuloxetine Hcl35suppressed
IbuprofenIbuprofen3516
Diclofenac SodiumDiclofenac Sodium3414
Memantine HclMemantine Hcl34suppressed
AlprazolamAlprazolam3311
Montelukast SodiumMontelukast Sodium3311
Amiodarone HclAmiodarone Hcl32suppressed
EstradiolEstradiol31suppressed
Raloxifene HclRaloxifene Hcl31suppressed
Donepezil HclDonepezil Hcl30suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst3023
GlipizideGlipizide27suppressed
FenofibrateFenofibrate Nanocrystallized24suppressed
OzempicSemaglutide24suppressed
SynthroidLevothyroxine Sodium24suppressed
Carbidopa-LevodopaCarbidopa/Levodopa23suppressed
Clonidine HclClonidine Hcl23suppressed
FinasterideFinasteride23suppressed
ClonazepamClonazepam22suppressed
SucralfateSucralfate22suppressed
Bupropion XlBupropion Hcl21suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2014
Diltiazem 24hr Er (Cd)Diltiazem Hcl20suppressed
Hydralazine HclHydralazine Hcl20suppressed
FenofibrateFenofibrate19suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid19suppressed
Benazepril HclBenazepril Hcl18suppressed
BaclofenBaclofen17suppressed
Pioglitazone HclPioglitazone Hcl17suppressed
Sertraline HclSertraline Hcl17suppressed
AmoxicillinAmoxicillin1612
Labetalol HclLabetalol Hcl16suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic16suppressed
ValsartanValsartan16suppressed
AcyclovirAcyclovir15suppressed
AtenololAtenolol15suppressed
LevetiracetamLevetiracetam15suppressed
Oxybutynin Chloride ErOxybutynin Chloride15suppressed
PrimidonePrimidone15suppressed
Solifenacin SuccinateSolifenacin Succinate15suppressed
JardianceEmpagliflozin14suppressed
PaxlovidNirmatrelvir/Ritonavir1413
CephalexinCephalexin13suppressed
Citalopram HbrCitalopram Hydrobromide13suppressed
EszopicloneEszopiclone13suppressed
Levobunolol HclLevobunolol Hcl13suppressed
Novolin R FlexpenInsulin Regular, Human13suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl12suppressed
IrbesartanIrbesartan12suppressed
LatanoprostLatanoprost12suppressed
MethotrexateMethotrexate Sodium12suppressed
SimbrinzaBrinzolamide/Brimonidine Tart12suppressed
ValacyclovirValacyclovir Hcl12suppressed
CarisoprodolCarisoprodol11suppressed
Fluoxetine HclFluoxetine Hcl11suppressed
Glucagon Emergency KitGlucagon11suppressed
Humulin 70/30 KwikpenInsulin Nph Hum/Reg Insulin Hm11suppressed
MirtazapineMirtazapine11suppressed
Pravastatin SodiumPravastatin Sodium11suppressed
Timolol MaleateTimolol Maleate11suppressed
Vitamin D2Ergocalciferol (Vitamin D2)11suppressed

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