He graduated from the University of New England, College of Osteopathic Medicine and then he performed his residency at Newark Beth Israel Medical Center. In Dr. Madigan's practice, he is particularly interested in bladder infection, kidney stones, and hypertension (high blood pressure). He accepts Amerigroup, Blue Cross/Blue Shield, and Empire BlueCross BlueShield, in addition to other insurance carriers. In addition to English, Dr. Madigan speaks Spanish. He is affiliated with Newark Beth Israel Medical Center, Saint Barnabas Medical Center, and Overlook Medical Center.