Healthcare provider profile · identity verified

Eugene Mcmillan, M.D.

Hospitalist · OAKLAND, CA · NPI 1093822744

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
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20923
Atorvastatin CalciumAtorvastatin Calcium17835
DiazepamDiazepam12116
Amlodipine BesylateAmlodipine Besylate9636
LisinoprilLisinopril7719
Promethazine HclPromethazine Hcl7212
Albuterol Sulfate HfaAlbuterol Sulfate7121
GabapentinGabapentin7123
Metformin HclMetformin Hcl7021
Levothyroxine SodiumLevothyroxine Sodium53suppressed
Tamsulosin HclTamsulosin Hcl5214
FamotidineFamotidine5116
CarisoprodolCarisoprodol47suppressed
CarvedilolCarvedilol4714
Fluticasone PropionateFluticasone Propionate44suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen44suppressed
Escitalopram OxalateEscitalopram Oxalate38suppressed
EliquisApixaban37suppressed
Losartan PotassiumLosartan Potassium37suppressed
Montelukast SodiumMontelukast Sodium37suppressed
Chlorhexidine GluconateChlorhexidine Gluconate36suppressed
LorazepamLorazepam35suppressed
Meclizine HclMeclizine Hcl3513
Metoprolol SuccinateMetoprolol Succinate35suppressed
PrednisonePrednisone35suppressed
OmeprazoleOmeprazole3412
HydrochlorothiazideHydrochlorothiazide3211
SimvastatinSimvastatin32suppressed
Hydralazine HclHydralazine Hcl31suppressed
GlipizideGlipizide30suppressed
IbuprofenIbuprofen29suppressed
Metoprolol TartrateMetoprolol Tartrate29suppressed
ClopidogrelClopidogrel Bisulfate27suppressed
LidocaineLidocaine27suppressed
FurosemideFurosemide26suppressed
Trazodone HclTrazodone Hcl26suppressed
Triamcinolone AcetonideTriamcinolone Acetonide26suppressed
Zolpidem TartrateZolpidem Tartrate25suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog23suppressed
Diclofenac SodiumDiclofenac Sodium23suppressed
Pantoprazole SodiumPantoprazole Sodium23suppressed
Carbidopa-LevodopaCarbidopa/Levodopa22suppressed
Oxycodone HclOxycodone Hcl21suppressed
Sertraline HclSertraline Hcl20suppressed
Tizanidine HclTizanidine Hcl20suppressed
NaproxenNaproxen19suppressed
Ondansetron HclOndansetron Hcl19suppressed
Tramadol HclTramadol Hcl19suppressed
JanuviaSitagliptin Phosphate18suppressed
SpironolactoneSpironolactone18suppressed
Duloxetine HclDuloxetine Hcl16suppressed
Potassium ChloridePotassium Chloride16suppressed
BaclofenBaclofen15suppressed
Buspirone HclBuspirone Hcl15suppressed
ClonazepamClonazepam15suppressed
Fluoxetine HclFluoxetine Hcl15suppressed
LoperamideLoperamide Hcl15suppressed
Quetiapine FumarateQuetiapine Fumarate15suppressed
Fluvoxamine MaleateFluvoxamine Maleate14suppressed
Metformin Hcl ErMetformin Hcl14suppressed
AripiprazoleAripiprazole13suppressed
EntacaponeEntacapone13suppressed
FenofibrateFenofibrate Nanocrystallized13suppressed
MeloxicamMeloxicam13suppressed
Novolin NInsulin Nph Human Isophane13suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav12suppressed
CephalexinCephalexin12suppressed
ClonidineClonidine12suppressed
Clonidine HclClonidine Hcl12suppressed
EstradiolEstradiol12suppressed
JardianceEmpagliflozin12suppressed
OxycontinOxycodone Hcl12suppressed
Pioglitazone HclPioglitazone Hcl12suppressed
Atrovent HfaIpratropium Bromide11suppressed
Azelastine HclAzelastine Hcl11suppressed
MyrbetriqMirabegron11suppressed

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