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Maryliza Safwat El-Masry, M.D.

NPI 1760786495ActiveIndividual· Internal Medicine, Medical Oncology· Los Angeles, CA

Internal Medicine, Medical Oncology (M.D.) in Los Angeles, California, trained at George Washington University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $2,662,509 for 1,302 claims, against $166,480 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 3 companies reporting payments in 2025, $211.53 in all, mostly food and beverage.

Overview

NPI1760786495
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJan 10, 2011
Last updated in NPPESMay 13, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Medical Oncology Primary207RX0202XA111175CA
Internal Medicine207R00000XA111175CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Medical Oncology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients418
Services billed6,587 across 29 procedure codes
Paid by Medicare$166,480

Part D prescriptions in 2024

Prescriptions (claims)1,302 · 2,238 30-day fills
Patients270
Total drug cost$2,662,509
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolGeorge Washington University School of Medicine
Graduation year2008
Medicare specialtyMedical Oncology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$211.53 · 3 payments from 3 companies
  • 2024$209.73 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Daiichi Sankyo Inc.$104.641
E.R. Squibb & Sons, L.L.C.$80.921
Tempus Ai, Inc$25.971

What the 2025 payments were for

  • Food and Beverage$211.53 · 3 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine, Medical Oncology providers in Los Angeles

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