Doctor Backgrounds

Irfan Mirza, MD
Irfan Mirza, MD

Dr. Mirza's decision in becoming a doctor was rooted in his early desire to help others. This desire led Dr. Mirza to pursue oncology specifically because he wished to help those who were in the most desperate need of help, namely cancer patients fighting for their lives.

Irfan Mirza first began his medical studies in Pakistan where he was a student at both the University of Karachi and Dow Medical College. He then partook in his medical internship in the United States at Georgetown University Hospital. Upon his graduation from Georgetown University Hospital in 1993, Dr. Mirza secured a medical residency position and a medical fellowship position at the University of Illinois Hospital & Health Sciences System.

Dr. Mirza is currently one of the three physician specialists who are board-certified in medical oncology and hematology serving at Progressive Care S.C. He prides himself on his deliberate and careful approach in balancing a fine line between being realistic about certain expectations with patients and giving those very patients a measure of hope and compassion. Dr. Mirza's ability to speak multiple languages beyond English such as Hindi, Punjabi, and Urdu has allowed him to establish a high level of comfort with the many patients who speak those languages. Moreover, Dr. Mirza understands the significance of technology in cancer treatment and so he strives to be as up-to-date with medical news as possible. In order to stay up-to-date, Dr. Mirza reads medical journals, listens to podcasts from medical magazines while exercising or driving, and also frequently attends medical conferences and seminars with colleagues.

Bozena Witek, MD
Bozena Witek, MD

Dr. Witek started her journey as a medical student in Poland where she studied at the Center for Medical Education in English through the Poznan University of Medical Sciences. After graduating in 1983, Dr. Witek arrived in Chicago where she spent her residency at the Edgewater Medical Center. She then secured a fellowship position at Rosalind Franklin University of Medicine and Science. Finally, in 1992, she joined Progressive Care, S.C. where she is currently one of the three physician specialists who are board-certified in medical oncology and hematology.

Dr. Witek's attributes her decision in becoming a doctor and specifically pursuing oncology to her desire to debunk the perception that cancer implies certain death. She also longed to guide patients with end-stage cancer and their families through every step of the extremely tough process. While at Progressive Care, S.C., Dr. Witek has helped a countless number of people afflicted with cancer understand what their bodies are going through. Because Progressive Care, S.C. is situated in a large Polish community, Dr. Witek's ability to speak Polish has allowed her to easily connect with many Polish-speaking patients and make them feel comfortable during a difficult time.

Mark Karides, MD
Mark Karides, MD

Dr. Karides first began his medical studies at Ross University, School of Medicine. Upon earning his medical degree in 1988, Dr. Karides entered residency at Rush University Medical Center. It was during his time in residency when he decided to specialize in oncology because he recognized the ease in which he was able to interact with cancer patients. Furthermore, he realized the immense satisfaction that he received in helping the sickest of those sick - cancer patients - while at Rush University Medical Center.

After finishing his fellowship at MacNeal Hospital, Dr. Karides' passion for serving those afflicted with cancer led him to Progressive Care S.C. where he is now one of the three physician specialists who are board-certified in medical oncology and hematology. Not only does Dr. Karides meet with his patients on a daily basis, but he also reaches out to organizations such as the American Cancer Society with the intention of improving the cancer system throughout the Chicagoland area. Karides also serves as the chairman of the Cancer Committee. Through his position as the chairman of the Cancer Committee, he has helped Progressive Care S.C. to adopt changes that have guided the cancer center towards becoming a more comprehensive cancer center.

Even with this busy schedule, Dr. Karides has stressed the importance of continuing his medical education. He frequently reads medical journals, attends medical conferences and seminars, and performs clinical research all in order to understand the emerging advances in cancer treatment.

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