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Kaoutar Tlemcani, M.D.

NPI 1023238862ActiveIndividual· Internal Medicine, Hematology & Oncology· Chicago, IL

Internal Medicine, Hematology & Oncology (M.D.) with Ascension Medical Group-Southeast Wisconsin Inc, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $1,378,230 for 1,571 claims, against $28,576 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 2 companies reporting payments in 2025, $144.31 in all, mostly food and beverage. Lists Ascension All Saints Hospital and 2 other hospitals as hospital affiliations.

Overview

NPI1023238862
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedApr 26, 2007
Last updated in NPPESDec 27, 2024
Certified by providerDec 27, 2024

Specialties and licenses

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 (IL); Practitioner - Hematology/Oncology (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients122
Services billed358 across 8 procedure codes
Paid by Medicare$28,576

Part D prescriptions in 2024

Prescriptions (claims)1,571 · 2,135 30-day fills
Patients212
Total drug cost$1,378,230
Generic share81% of claims

Medicare sources and data years

Education and affiliations

Graduation year1999
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$144.31 · 2 payments from 2 companies
  • 2024$1,750 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
E.R. Squibb & Sons, L.L.C.$112.911
Celgene Corporation$31.401

What the 2025 payments were for

  • Food and Beverage$144.31 · 2 payments

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

Other Internal Medicine, Hematology & Oncology providers in Chicago

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