Oncologist

Dr. Mario M. Leitao, Jr., MD

Dr. Mario M. Leitao, Jr., MD

Dr. Mario M. Leitao, Jr., MD is a board-certified gynecologic oncologist who specializes in surgery for women with ovarian, endometrial, cervical, vulvar, or vaginal cancer. Dr. Leitao, Jr. has a strong interest in providing minimally invasive surgical options for our patients, including both laparoscopic and robotic-assisted procedures. He joined the Memorial Sloan Kettering staff in 2007.

Dr. Edward James Tanner, III, MD

Dr. Edward James Tanner, III, MD

Edward Tanner, M.D., is a professor of gynecologic oncology in the Johns Hopkins Medicine Department of Gynecology and Obstetrics and the medical director for women’s health in the Johns Hopkins National Capital Region. Dr. Tanner is an internationally recognized expert in gynecologic surgery and is known for his surgical skills, compassionate bedside manner, leadership and teaching abilities.

Dr. Evan J. Lipson, MD

Dr. Evan J. Lipson, MD

Evan J. Lipson, M.D., is a medical oncologist at the Johns Hopkins Kimmel Cancer Center at Sibley Memorial Hospital, as well as an assistant professor of oncology at Johns Hopkins University School of Medicine. Dr. Lipson established the Johns Hopkins Melanoma Program at Sibley in 2012 and opened the program's first clinical trial in the Washington, D.C. region in 2015. He is board certified in internal medicine and medical oncology. 

Dr. Lipson has an expertise in melanoma and treatment of patients with cutaneous malignancies, specifically regarding the use of novel immunotherapies. 

Dr. Bridgette Duggan, MD

Dr. Bridgette Duggan, MD

Dr. Bridgette Duggan, MD is dedicated to the comprehensive care and treatment of women diagnosed with gynecologic cancers, pre-cancerous conditions and complex problems that require the specialized training and experience of a gynecologic oncologist.

Dr. Viraj Master, MD

Dr. Viraj Master, MD

Dr. Viraj Master, MD is a Professor of Urology at the Emory University School of Medicine, Associate Chair for Clinical Affairs and Quality, and Director of Clinical Research Unit. Dr. Master’s primary clinical interest is urologic oncology, in particular kidney cancer, adrenal tumors, testicular cancer, high-risk prostate cancer and penile cancers.