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Internal Medicine

Katarzyna Rojek, MD

Works at hospitals in Melrose Park, IL · Maywood, IL · Berwyn, IL · Illinois

Summary

Katarzyna Rojek, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Melrose Park, IL, Maywood, IL and Berwyn, IL. NPI 1831688316. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Katarzyna Rojek, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
FemaleGender (as listed)
Loyola University Medical CenterGroup practice

Quick answers

Which hospitals does Katarzyna Rojek work at?
Medicare's official clinician data lists Katarzyna Rojek at 3 hospitals: Loyola Gottlieb Memorial Hospital, Loyola University Medical Center and MacNeal Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Katarzyna Rojek see patients?
Medicare's clinician data lists 1 practice location in Maywood, IL. Call before your visit to confirm the address.
What is Katarzyna Rojek's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Katarzyna Rojek accept Medicare assignment?
Yes. Medicare's clinician data says Katarzyna Rojek accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Katarzyna Rojek?
(708) 216-9000, as listed in official Medicare / NPI Registry data.
What is Katarzyna Rojek's NPI number?
1831688316. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Katarzyna Rojek works

Medicare's Facility Affiliation Data lists Katarzyna Rojek at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Katarzyna Rojek is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Katarzyna Rojek as a member of this group (CMS data updated 2026-10-02).

  • Loyola University Medical Center953 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Maywood

Clinicians with the same Medicare primary specialty in Maywood, IL — not a recommendation.

All internal medicine doctors in Maywood →

Clinician information

CredentialMD
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831688316
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians