Dr. Mark Markowski is a medical oncologist at the Kimmel Cancer Center at Sibley Memorial Hospital, as well as an instructor in the Department of Oncology at Johns Hopkins University School of Medicine. Dr. Markowski participates in multidisciplinary clinics at Sibley and The Johns Hopkins Hospital, and see patients in the genitourinary clinics of both hospitals.

Dr. Markowski treats numerous types of cancers, with a specialty in prostate cancer.

Dr. Markowski earned his medical degree and Ph.D. in tumor biology at Georgetown University School of Medicine. He completed a residency in internal medicine at Columbia University, followed by a medical oncology fellowship at Johns Hopkins Hospital.

Dr. Markowski is a board member and secretary for the Genito-Urinary Multidisciplinary D.C. Regional Oncology Project (GUMDROP).

Dr. Markowski previously served as a research associate at the Lombardi Comprehensive Cancer Center at Georgetown University. His research interests focus on early phase drug development for prostate cancer, and anti-inflammatory agents and cancer incidence. Dr. Markowski is currently conducting research with funding from a Postdoctoral Training Award from the Department of Defense's Prostate Cancer Research Program, and a Young Investigator Award from the Prostate Cancer Foundation, which focuses on new treatment strategies for prostate cancer patients and credentialing these treatments for advancement to clinical trials. 

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