Dr. Thad R Denehey is a board-certified OB/GYN and gynecological oncologist who practices at Gynecological Cancer & Pelvic Surgery, LLC in West Orange. Since 1990, Dr. Denehy has been associate director and a physician in the division of Gynecologic Oncology and Reconstructive Pelvic Surgery at the Saint Barnabas Medical Center. He completed a residency in obstetrics and gynecology at Saint Barnabas Medical Center and a fellowship in gynecologic oncology at the University of Rochester's Strong Memorial Hospital, as well as Addis Ababa Fistula Hospital in Addis Ababa, Ethiopia.