Healthcare provider profile · identity verified

Gregory D. Rubin, MD

Internal Medicine · WOODLAND HILLS, CA · NPI 1275600298

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 Calcium408147
Amlodipine BesylateAmlodipine Besylate27896
LisinoprilLisinopril25099
Rosuvastatin CalciumRosuvastatin Calcium21185
SimvastatinSimvastatin20975
Losartan PotassiumLosartan Potassium19675
Levothyroxine SodiumLevothyroxine Sodium18164
GabapentinGabapentin17672
OmeprazoleOmeprazole17461
Alendronate SodiumAlendronate Sodium14654
AtenololAtenolol14350
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide13951
Metformin HclMetformin Hcl13650
MeloxicamMeloxicam12969
Metoprolol TartrateMetoprolol Tartrate10433
Terazosin HclTerazosin Hcl9035
GlipizideGlipizide8935
PradaxaDabigatran Etexilate Mesylate8526
Tamsulosin HclTamsulosin Hcl8536
Trazodone HclTrazodone Hcl7330
Metformin Hcl ErMetformin Hcl6825
Albuterol Sulfate HfaAlbuterol Sulfate6436
Pantoprazole SodiumPantoprazole Sodium6019
HydrochlorothiazideHydrochlorothiazide5121
Sertraline HclSertraline Hcl5013
FamotidineFamotidine4412
Potassium ChloridePotassium Chloride3817
AllopurinolAllopurinol3715
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3713
MirtazapineMirtazapine3714
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf3636
CarvedilolCarvedilol3515
Propranolol HclPropranolol Hcl3411
SpironolactoneSpironolactone3312
Citalopram HbrCitalopram Hydrobromide32suppressed
FurosemideFurosemide3217
FinasterideFinasteride3011
Fluoxetine HclFluoxetine Hcl30suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic3011
Buspirone HclBuspirone Hcl28suppressed
ClopidogrelClopidogrel Bisulfate2813
Triamcinolone AcetonideTriamcinolone Acetonide2720
Humulin N KwikpenInsulin Nph Human Isophane26suppressed
Duloxetine HclDuloxetine Hcl24suppressed
Humulin NInsulin Nph Human Isophane24suppressed
ArexvyRsvpref3 Antigen/As01e/Pf2020
LovastatinLovastatin20suppressed
Warfarin SodiumWarfarin Sodium20suppressed
CiclopiroxCiclopirox1912
Escitalopram OxalateEscitalopram Oxalate18suppressed
AcyclovirAcyclovir1711
AlvescoCiclesonide17suppressed
Bupropion Hcl SrBupropion Hcl16suppressed
ColchicineColchicine16suppressed
Doxycycline MonohydrateDoxycycline Monohydrate16suppressed
Glipizide-MetforminGlipizide/Metformin Hcl16suppressed
Montelukast SodiumMontelukast Sodium16suppressed
HydrocortisoneHydrocortisone15suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
NitroglycerinNitroglycerin12suppressed
PrednisonePrednisone1212
Bisoprolol FumarateBisoprolol Fumarate11suppressed
Fluticasone PropionateFluticasone Propionate11suppressed
Hydralazine HclHydralazine Hcl11suppressed
Ipratropium BromideIpratropium Bromide11suppressed
JardianceEmpagliflozin11suppressed
LactuloseLactulose11suppressed
Pioglitazone HclPioglitazone Hcl11suppressed
Stiolto RespimatTiotropium Br/Olodaterol 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