Dr. Cassidy is a Board Certified Physician who has been practicing for over 10 years.  He was born in Madison, Connecticut.  He received his undergraduate degree from Bucknell University and his medical degree from Emory University.  Dr. Cassidy performed his residency at Mercy Hospital and Medical Center in Chicago.  He practiced as a Physician in the United States Air Force and was stationed in Charleston, South Carolina for four years. 

Dr. Cassidy has been practicing in Sandwich, Yorkville and Plainfield for 6 years.  He resides in Yorkville with his wife and two daughters.