Skip to content

Samer Alkassis

NPI 1124681515ActiveIndividual· Internal Medicine, Hematology & Oncology· Irvine, CA

Internal Medicine, Hematology & Oncology with The Regents of the University of California, practicing in Irvine, California. Part D covered 144 prescriptions written in 2024, 58% of them generic. Janssen Biotech, Inc. was the largest of 4 companies reporting payments in 2025, $373.93 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian and 3 other hospitals as hospital affiliations.

Overview

NPI1124681515
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedApr 21, 2019
Last updated in NPPESAug 4, 2025
Certified by providerAug 4, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XA178143CA

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 - Hematology/Oncology (CA)

Part D prescriptions in 2024

Prescriptions (claims)144 · 147 30-day fills
Patients27
Total drug cost$42,679
Generic share58% of claims

Medicare sources and data years

Education and affiliations

Graduation year2015
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$373.93 · 5 payments from 4 companies
  • 2024$739.41 · 7 payments from 5 companies

Top paying companies in 2025

CompanyAmountPayments
Janssen Biotech, Inc.$143.751
Delcath Systems$122.482
Ge Healthcare$79.121
Tempus Ai, Inc$28.581

What the 2025 payments were for

  • Food and Beverage$373.93 · 5 payments

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

Other Internal Medicine, Hematology & Oncology providers in Irvine

All Internal Medicine, Hematology & Oncology providers in California →