Before completing his residency at McGaw Medical Center of Northwestern University, Dr. Leonard attended medical school at Wayne State University School of Medicine. Clinical interests for Dr. Leonard include lung cancer and chemotherapy. Dr. Leonard takes Cofinity, Blue Cross/Blue Shield, and Coventry, in addition to other insurance carriers. He has received the following distinction: Detroit Super Doctors. Dr. Leonard is affiliated with Crittenton Hospital Medical Center and St. John Macomb-Oakland Hospital, Warren Campus.