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Kareem H. Sassi, M.D.

NPI 1164723839ActiveIndividual· Internal Medicine, Gastroenterology· Los Angeles, CA

Internal Medicine, Gastroenterology (M.D.) in Los Angeles, California, trained at University of California, San Francisco School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $261,886 for 1,177 claims, against $96,893 paid for services in 2024. Genzyme Corporation was the largest of 3 companies reporting payments in 2025, $333.38 in all, mostly food and beverage.

Overview

NPI1164723839
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 10, 2010
Last updated in NPPESFeb 28, 2023
Certified by providerFeb 28, 2023

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Gastroenterology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients492
Services billed807 across 29 procedure codes
Paid by Medicare$96,893

Part D prescriptions in 2024

Prescriptions (claims)1,177 · 2,162 30-day fills
Patients367
Total drug cost$261,886
Generic share80% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, San Francisco School of Medicine
Graduation year2010
Medicare specialtyGastroenterology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$333.38 · 10 payments from 3 companies
  • 2024$24.50 · 2 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Genzyme Corporation$182.817
Cook Medical LLC$89.311
Ardelyx, Inc.$61.262

What the 2025 payments were for

  • Food and Beverage$333.38 · 10 payments

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

Other gastroenterologists in Los Angeles

All 252 gastroenterologists in Los Angeles · All gastroenterologists in California