Dr. Cassidy is a board certified physician.  He is a graduate of the Emory University School of Medicine.  He received his undergraduate degree from Bucknell University.  Dr. Cassidy is certified as an injector of Botox and Dermal Filler.   He is also certified as a Sclerotherapy injector.  He is a member of the American Society of Bariatric Medicine.

In addition, Dr. Cassidy is board certified as an Obstetrician/Gynecologist.  He practices at Aishling OB/Gyn in Yorkville and Sandwich.  He also practiced as an OB/Gyn during his service in the United States Air Force.

Dr. Cassidy lives in Yorkville with his wife and two children.