Mary Jane Warden, M.D.

Mary Jane Warden, M.D. specializes in diseases of the breast and breast cancer, and is the acting co-chief of the Breast Oncology Division at the John Theurer Cancer Center at Hackensack University Medical Center. She is also the senior attending surgeon in the division of Breast Surgery

Dr. Warden graduated cum laude from Tufts University in Medford Massachusetts, earning a Bachelor of Science in biology and psychology.  She received her Doctor of Medicine degree from the University of Medicine and Dentistry of New Jersey (UMDNJ).

Dr. Warden completed her residency in General Surgery at UMDNJ Newark, where she did a year of research in shock and respiratory distress, and served as a junior fellow of the American Cancer Society. In her chief year she was an Administrative Chief Resident. 

She completed a two year fellowship in Surgical Oncology at Roswell Park Cancer Institute in Buffalo New York, which was one of the original accredited  Surgical Oncology programs  in the United States.  During her final year she was promoted to junior attending.

She is board certified by the American board of Surgery,  is a fellow of the American College of Surgeons, and a member of the American Society of Breast Surgeons.

In 1990 she joined the staff of Hackensack University Medical Center.  Her practice is limited to breast disease, in particular breast cancer.  She has a large experience in performing lumpectomies, sentinel node biopsies, skin sparing mastectomies, and partial breast radiation.  She adheres to the multidisciplinary approach to the treatment of breast cancer, and works closely with her radiology, medical oncology, and radiation oncology colleagues to develop an individual plan of treatment for each patient. 

She has authored and co-authored multiple publications in peer reviewed journals, and was listed as a “Best Doctor” by Castle and Connolly, as well as a “Top New Jersey Doctor for Women’s Health” in New Jersey LifeClick here for a list of John Theurer Cancer Center Breast Oncology clinical trials.