Tustin, CA, 92780
Dr. John Gregory Duffy, MD is a Psychiatrist - General practicing in Tustin, CA
He has not yet shared a personalized biography with Doctor.com.
|Georgetown University School of Medicine, Washington Dc||Other Degree||1994|
|Residency - University Ca Irvine Medical Center, Psychiatry||Not Specified|
Dr. John Gregory Duffy, MD has not yet specified details about his experience and accolades.
Dr. John Gregory Duffy, MD has not yet indicated the hospitals that he is affiliated with.