Healthcare provider profile · identity verified

Eric Maurice Simkin, MD

Internal Medicine · HARBOR CITY, CA · NPI 1144389750

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 Calcium584203
Amlodipine BesylateAmlodipine Besylate310115
Losartan PotassiumLosartan Potassium23384
LisinoprilLisinopril18670
OmeprazoleOmeprazole15968
Levothyroxine SodiumLevothyroxine Sodium15855
Metformin Hcl ErMetformin Hcl15257
Rosuvastatin CalciumRosuvastatin Calcium14453
Metoprolol TartrateMetoprolol Tartrate11846
AllopurinolAllopurinol11237
Albuterol Sulfate HfaAlbuterol Sulfate10957
PradaxaDabigatran Etexilate Mesylate10732
SimvastatinSimvastatin10434
FurosemideFurosemide9641
OzempicSemaglutide9212
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen8016
Metformin HclMetformin Hcl8032
MeloxicamMeloxicam7741
Tamsulosin HclTamsulosin Hcl7630
Potassium ChloridePotassium Chloride7027
HydrochlorothiazideHydrochlorothiazide6927
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6826
Bisoprolol FumarateBisoprolol Fumarate6629
AtenololAtenolol6525
Pantoprazole SodiumPantoprazole Sodium5824
EzetimibeEzetimibe5218
Hydralazine HclHydralazine Hcl5222
Triamcinolone AcetonideTriamcinolone Acetonide5223
Duloxetine HclDuloxetine Hcl5122
Sertraline HclSertraline Hcl5020
Alendronate SodiumAlendronate Sodium4819
ClopidogrelClopidogrel Bisulfate4315
Trazodone HclTrazodone Hcl4217
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4015
Terazosin HclTerazosin Hcl4016
GabapentinGabapentin3823
CarvedilolCarvedilol3716
GlipizideGlipizide3717
SpironolactoneSpironolactone3715
JardianceEmpagliflozin3517
FinasterideFinasteride34suppressed
EstradiolEstradiol3316
Nano 2nd Gen Pen NeedlePen Needle, Diabetic3215
Fluoxetine HclFluoxetine Hcl3111
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid31suppressed
IbuprofenIbuprofen3015
Pravastatin SodiumPravastatin Sodium30suppressed
PrednisonePrednisone3030
FamotidineFamotidine2814
Humulin NInsulin Nph Human Isophane26suppressed
Spiriva RespimatTiotropium Bromide26suppressed
MirtazapineMirtazapine24suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn23suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf2222
AlvescoCiclesonide2216
Stiolto RespimatTiotropium Br/Olodaterol Hcl22suppressed
Wixela InhubFluticasone Propion/Salmeterol21suppressed
XareltoRivaroxaban21suppressed
Montelukast SodiumMontelukast Sodium20suppressed
Propranolol HclPropranolol Hcl20suppressed
Victoza 2-PakLiraglutide20suppressed
Glipizide ErGlipizide19suppressed
HydrocortisoneHydrocortisone19suppressed
Methadone HclMethadone Hcl19suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1816
Bupropion Hcl SrBupropion Hcl18suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate18suppressed
LorazepamLorazepam18suppressed
PrimidonePrimidone18suppressed
Clonidine HclClonidine Hcl17suppressed
Ipratropium BromideIpratropium Bromide17suppressed
Morphine Sulfate ErMorphine Sulfate17suppressed
AcyclovirAcyclovir16suppressed
CefadroxilCefadroxil1616
EliquisApixaban16suppressed
Fluticasone PropionateFluticasone Propionate16suppressed
Humulin N KwikpenInsulin Nph Human Isophane16suppressed
Naltrexone HclNaltrexone Hcl16suppressed
Acetaminophen-CodeineAcetaminophen With Codeine15suppressed
Humulin RInsulin Regular, Human15suppressed
Ondansetron OdtOndansetron14suppressed
ColchicineColchicine13suppressed
Lidocaine-PrilocaineLidocaine/Prilocaine13suppressed
Nifedipine ErNifedipine13suppressed
Sumatriptan SuccinateSumatriptan Succinate13suppressed
Morphine SulfateMorphine Sulfate12suppressed
TemazepamTemazepam12suppressed
LiraglutideLiraglutide11suppressed
MetolazoneMetolazone11suppressed
MetronidazoleMetronidazole11suppressed
NitroglycerinNitroglycerin11suppressed
TopiramateTopiramate11suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic11suppressed
Veo Insulin SyringeSyringe And Needle,insulin,1ml11suppressed

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