Healthcare provider profile · identity verified

Rafik A Shereen, MD

Internal Medicine · HAWTHORNE, CA · NPI 1952807372

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 Calcium545193
Amlodipine BesylateAmlodipine Besylate27994
Losartan PotassiumLosartan Potassium25785
Metformin HclMetformin Hcl20276
LisinoprilLisinopril17860
Levothyroxine SodiumLevothyroxine Sodium15449
Tamsulosin HclTamsulosin Hcl13246
OmeprazoleOmeprazole12650
GabapentinGabapentin10044
Rosuvastatin CalciumRosuvastatin Calcium8632
Fluticasone PropionateFluticasone Propionate8448
FurosemideFurosemide8433
Metoprolol SuccinateMetoprolol Succinate8230
FamotidineFamotidine7724
EliquisApixaban7620
IbuprofenIbuprofen7641
Metoprolol TartrateMetoprolol Tartrate7422
SimvastatinSimvastatin7423
Duloxetine HclDuloxetine Hcl7221
HydrochlorothiazideHydrochlorothiazide6722
Pantoprazole SodiumPantoprazole Sodium6422
Pravastatin SodiumPravastatin Sodium5918
FinasterideFinasteride5219
Alendronate SodiumAlendronate Sodium5017
FarxigaDapagliflozin Propanediol5011
OzempicSemaglutide5013
CarvedilolCarvedilol4516
Hydralazine HclHydralazine Hcl4516
Glipizide ErGlipizide4418
JanuviaSitagliptin Phosphate4419
Albuterol Sulfate HfaAlbuterol Sulfate4321
Citalopram HbrCitalopram Hydrobromide4113
AllopurinolAllopurinol4014
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4014
SynthroidLevothyroxine Sodium40suppressed
SpironolactoneSpironolactone3812
Metformin Hcl ErMetformin Hcl3611
CiclopiroxCiclopirox3214
GlipizideGlipizide3212
ClopidogrelClopidogrel Bisulfate3114
JardianceEmpagliflozin30suppressed
Trazodone HclTrazodone Hcl3011
EntrestoSacubitril/Valsartan29suppressed
Fluoxetine HclFluoxetine Hcl2911
Lantus SolostarInsulin Glargine,hum.Rec.Anlog2912
PrednisonePrednisone2924
Escitalopram OxalateEscitalopram Oxalate28suppressed
Pioglitazone HclPioglitazone Hcl27suppressed
Potassium ChloridePotassium Chloride2713
Acetaminophen-CodeineAcetaminophen With Codeine24suppressed
AzithromycinAzithromycin2420
Montelukast SodiumMontelukast Sodium24suppressed
XareltoRivaroxaban24suppressed
Benazepril HclBenazepril Hcl23suppressed
AtenololAtenolol22suppressed
Donepezil HclDonepezil Hcl21suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide21suppressed
NaproxenNaproxen21suppressed
Quetiapine FumarateQuetiapine Fumarate20suppressed
Sertraline HclSertraline Hcl20suppressed
Diclofenac SodiumDiclofenac Sodium18suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide18suppressed
Sildenafil CitrateSildenafil Citrate18suppressed
ValsartanValsartan18suppressed
ChlorthalidoneChlorthalidone17suppressed
MirtazapineMirtazapine17suppressed
NitroglycerinNitroglycerin17suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl16suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
Oxybutynin Chloride ErOxybutynin Chloride15suppressed
Calcitonin-SalmonCalcitonin,salmon,synthetic14suppressed
Humalog Kwikpen U-100Insulin Lispro14suppressed
KetoconazoleKetoconazole14suppressed
RybelsusSemaglutide14suppressed
ValacyclovirValacyclovir Hcl14suppressed
Alfuzosin Hcl ErAlfuzosin Hcl13suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1311
ClonazepamClonazepam13suppressed
EzetimibeEzetimibe13suppressed
GlimepirideGlimepiride13suppressed
Hydroxyzine HclHydroxyzine Hcl13suppressed
Insulin SyringeSyringe-Needle,insulin,0.5 Ml13suppressed
JanumetSitagliptin Phos/Metformin Hcl13suppressed
LevoxylLevothyroxine Sodium13suppressed
LorazepamLorazepam13suppressed
MeloxicamMeloxicam13suppressed
AlprazolamAlprazolam12suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12suppressed
Doxazosin MesylateDoxazosin Mesylate12suppressed
LantusInsulin Glargine,hum.Rec.Anlog12suppressed
LidocaineLidocaine12suppressed
PregabalinPregabalin12suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1212
Zolpidem TartrateZolpidem Tartrate12suppressed
CephalexinCephalexin11suppressed
EstradiolEstradiol11suppressed
HydrocortisoneHydrocortisone11suppressed
LovastatinLovastatin11suppressed
MetolazoneMetolazone11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
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