Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Alexandra Ewa Rojek, MD

Individual provider Internal Medicine Physician · NPI 1538620190

Dr. Alexandra Ewa Rojek, MD is a Hematology/Oncology in Chicago, Illinois. Graduated from University of California, San Francisco School of Medicine in 2019, 7 years ago. Practices with The University of Chicago Medical Center, a 909-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
7
Trained at
University of California, San Francisco School of Medicine
Licensed in
IL
In the registry since
2019
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5841 S Maryland Ave # MC2115
Chicago, IL 60637-1443
Phone: (773) 702-2731
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 036159453 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036.159453 (IL)

Record details

NPI number1538620190
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 27, 2019
Last updated in NPPESJuly 18, 2025
Certification dateJuly 18, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice The University Of Chicago Medical Center — 909 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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