Dr. Alexandra Ewa Rojek, MD
- Part D claims, 2024
- 48
- Publications
- 17
- Hospital affiliations
- 1
- Industry payments
- $3,278
- Medical groups
- 2
- Practice address
- 5721 S Maryland Ave, Chicago, IL 60637
- Practice phone
- Call (773) 702-1530
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Comer Children's Hospital - Hyde Park
Chicago, Illinois
Find Dr. Rojek's professional email, personal email and mobile number
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Dr. Alexandra Ewa Rojek is an internist in Chicago, Illinois
Dr. Rojek practices at Comer Children's Hospital - Hyde Park in Chicago, Illinois.
Dr. Rojek's NPI, 1538620190, was assigned on March 27, 2019. Dr. Rojek graduated from University of California, San Francisco School of Medicine in 2019. Dr. Rojek holds Illinois license 036.159453.
- NPI
- 1538620190NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890029656
- NPI enumeration date
- March 27, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (773) 702-1530
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexandra Ewa Rojek practices at Comer Children's Hospital - Hyde Park in Chicago, Illinois
Dr. Rojek's primary practice is Comer Children's Hospital - Hyde Park, at 5721 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.
- Comer Children's Hospital - Hyde Park5721 S Maryland Ave, Chicago, IL 60637 · Cook CountyPhone(773) 702-1530
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alexandra Ewa Rojek is affiliated with 2 sites of care and 2 medical groups
Dr. Rojek's primary practice is Comer Children's Hospital - Hyde Park in Chicago, Illinois. Dr. Rojek is also affiliated with University of Chicago Medical Center. The medical group on file is UChicago Medicine Physicians. Dmand AI also links Dr. Rojek to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexandra Ewa Rojek's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rojek practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Comer Children's Hospital - Hyde Park | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexandra Ewa Rojek is one of 5,652 internists in Illinois
Internal medicine is Dr. Rojek's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rojek is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Rojek
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alexandra Ewa Rojek's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Rojek's median patient age at 73, with 56% women.
Dr. Rojek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Alexandra Ewa Rojek wrote 48 Medicare Part D claims in 2024
In 2024, Dr. Rojek wrote 48 Medicare Part D claims for 17 patients. 92% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $123 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Rojek's Part D claims by kind of drug, 2024
- Generic44 claims92%
- Brand-name and other4 claims8%
Dr. Rojek's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 11No change
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Alexandra Ewa Rojek offers telehealth to Medicare patients
Dr. Rojek accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rojek as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Alexandra Ewa Rojek has 17 publications on record
Dmand AI links 17 papers to Dr. Rojek, published from 2019 to 2025. 2022 was the busiest year, with 4. The most frequent topics are Central Nervous System Neoplasms, Immunotherapy, Adoptive and Lymphoma, Large B-Cell, Diffuse. Dr. Rojek has published most often in Am J Hematol. Dr. Rojek's most frequent co-authors are Peter A. Riedell, Yasmin Abaza, MD and Rohan Achar.
Dr. Rojek's papers by year, 2019 to 2025
Topics Dr. Rojek writes about most
- Central Nervous System Neoplasms
- Immunotherapy, Adoptive
- Lymphoma, Large B-Cell, Diffuse
- COVID-19
- Cytoplasmic Granules
- Receptors, Chimeric Antigen
- Saccharomyces cerevisiae
- Saccharomyces cerevisiae Proteins
Dr. Rojek's most frequent co-authors
- Peter A. Riedell3 shared papers
- Yasmin Abaza, MD2 shared papers
- Rohan Achar2 shared papers
Recent publications by Dr. Rojek
Blood Cancer J
Clin Lymphoma Myeloma Leuk
See who Dr. Rojek researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rojek works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alexandra Ewa Rojek received $3,278 in industry payments from 2024 to 2025
CMS Open Payments shows 12 general payments to Dr. Rojek from 8 drug and device companies from 2024 to 2025. Consulting fees make up the largest share, 59% of the total. Incyte Corporation paid the most, $1,974.
General payments to Dr. Rojek by program year, 2024 to 2025
General payments to Dr. Rojek by kind, 2024 to 2025
- Consulting fees$1,92559%
- Food and beverage$85326%
- Speaker and faculty fees$50015%
Companies that paid Dr. Rojek the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexandra Ewa Rojek graduated from University of California, San Francisco School of Medicine
Dr. Rojek graduated from University of California, San Francisco School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexandra Ewa Rojek's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Alexandra Ewa Rojek
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Alexandra Ewa Rojek's NPI number?
Dr. Alexandra Ewa Rojek's NPI number is 1538620190. It was assigned on March 27, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexandra Ewa Rojek?
Dr. Alexandra Ewa Rojek is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alexandra Ewa Rojek practice?
Dr. Rojek practices at 5721 S Maryland Ave, Chicago, IL 60637. Dr. Rojek's primary practice is Comer Children's Hospital - Hyde Park in Chicago, Illinois. Dmand AI also links Dr. Rojek to 1 medical group.
What is Dr. Alexandra Ewa Rojek's office phone number?
The practice phone on file for Dr. Rojek is (773) 702-1530.
What is Dr. Alexandra Ewa Rojek's medical license number?
Dr. Rojek holds Illinois license 036.159453.
Which hospitals is Dr. Alexandra Ewa Rojek affiliated with?
Dr. Rojek is affiliated with University of Chicago Medical Center.
What medical group is Dr. Alexandra Ewa Rojek part of?
Dr. Rojek is linked to UChicago Medicine Physicians. Dmand AI links Dr. Rojek to 1 more medical group.
Does Dr. Alexandra Ewa Rojek accept Medicare?
Yes. CMS lists Dr. Rojek as accepting Medicare assignment.
Does Dr. Alexandra Ewa Rojek offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rojek as offering telehealth services.
Where did Dr. Alexandra Ewa Rojek go to medical school?
Dr. Rojek graduated from University of California, San Francisco School of Medicine in 2019.
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What drugs does Dr. Alexandra Ewa Rojek prescribe most?
In 2024 Medicare Part D data, Dr. Rojek's most prescribed drugs by claims were Acyclovir.
Has Dr. Alexandra Ewa Rojek received payments from drug or device companies?
CMS Open Payments shows $3,278 in general payments to Dr. Rojek from 8 companies from 2024 to 2025. The largest total came from Incyte Corporation.
How long has Dr. Alexandra Ewa Rojek been practicing?
Dr. Rojek graduated from medical school in 2019, 7 years ago.
Does Dr. Alexandra Ewa Rojek do research?
Dmand AI links 17 publications to Dr. Rojek, published from 2019 to 2025.
Who does Dr. Alexandra Ewa Rojek publish with?
Dr. Rojek's most frequent co-authors are Peter A. Riedell (3 shared papers), Yasmin Abaza, MD (2 shared papers) and Rohan Achar (2 shared papers).
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