Healthcare provider profile · identity verified

Stephan I. Lee, MD

Internal Medicine · OAKLAND, CA · NPI 1629147830

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 Calcium367147
Amlodipine BesylateAmlodipine Besylate22495
LisinoprilLisinopril15753
Losartan PotassiumLosartan Potassium11342
Albuterol Sulfate HfaAlbuterol Sulfate10345
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide10340
HydrochlorothiazideHydrochlorothiazide9440
Tamsulosin HclTamsulosin Hcl8935
AtenololAtenolol8527
Levothyroxine SodiumLevothyroxine Sodium8434
Metoprolol TartrateMetoprolol Tartrate8030
Fluticasone PropionateFluticasone Propionate7936
GabapentinGabapentin7628
SimvastatinSimvastatin6925
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen6628
AllopurinolAllopurinol6027
OmeprazoleOmeprazole5520
Trazodone HclTrazodone Hcl55suppressed
Alendronate SodiumAlendronate Sodium5422
IbuprofenIbuprofen4622
AlvescoCiclesonide4520
Triamcinolone AcetonideTriamcinolone Acetonide4021
Metformin HclMetformin Hcl3817
Metoprolol SuccinateMetoprolol Succinate3713
ColchicineColchicine3412
Zolpidem TartrateZolpidem Tartrate3318
AcyclovirAcyclovir3213
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf3232
Metformin Hcl ErMetformin Hcl3211
LovastatinLovastatin3014
FamotidineFamotidine2915
GlipizideGlipizide29suppressed
Terazosin HclTerazosin Hcl28suppressed
Potassium ChloridePotassium Chloride2612
ClopidogrelClopidogrel Bisulfate25suppressed
Hydralazine HclHydralazine Hcl24suppressed
Pantoprazole SodiumPantoprazole Sodium2412
Quetiapine FumarateQuetiapine Fumarate24suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl22suppressed
FurosemideFurosemide22suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml22suppressed
Donepezil HclDonepezil Hcl21suppressed
Fluoxetine HclFluoxetine Hcl2111
SpironolactoneSpironolactone2111
Pravastatin SodiumPravastatin Sodium20suppressed
Spiriva RespimatTiotropium Bromide20suppressed
CefadroxilCefadroxil1918
Trospium ChlorideTrospium Chloride19suppressed
KonvomepOmeprazole/Sodium Bicarbonate18suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide18suppressed
NaproxenNaproxen18suppressed
TemazepamTemazepam18suppressed
Rosuvastatin CalciumRosuvastatin Calcium17suppressed
Sumatriptan SuccinateSumatriptan Succinate17suppressed
AmoxicillinAmoxicillin15suppressed
FenofibrateFenofibrate15suppressed
LorazepamLorazepam15suppressed
Paroxetine HclParoxetine Hcl15suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1413
CarvedilolCarvedilol14suppressed
ChlorthalidoneChlorthalidone14suppressed
Nifedipine ErNifedipine14suppressed
Duloxetine HclDuloxetine Hcl13suppressed
FinasterideFinasteride13suppressed
FluocinonideFluocinonide13suppressed
Acetaminophen-CodeineAcetaminophen With Codeine12suppressed
GlycopyrrolateGlycopyrrolate12suppressed
PrednisonePrednisone1211
Ropinirole HclRopinirole Hcl12suppressed
Verapamil ErVerapamil Hcl12suppressed
Calcitonin-SalmonCalcitonin,salmon,synthetic11suppressed
HydrocortisoneHydrocortisone11suppressed
Oxycodone HclOxycodone Hcl11suppressed
PradaxaDabigatran Etexilate Mesylate11suppressed
Venlafaxine Hcl ErVenlafaxine Hcl11suppressed

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