Clinical Practice

Private Practice

Dr. Kruszewski maintains a private practice seeing adolescent and adult patients in his offices. He specializes in neuropsychiatry and addiction medicine. Dr. Kruszewski has been a practicing clinician for over 30 years.  

Mazzitti & Sullivan

This is a private counseling service for addiction and mental health located in the greater Harrisburg Area. Since 2006 Dr. Kruszewski has been the Psychiatric Medical Director for this service.

For further information about Mazzitti & Sullivan please go to


Dr. Kruszewski has been a psychiatric consultant and medical director for several of Gaudenzia's community services. He has been the medical director for Gaudenzia's Chambers Hill Adolescent Rehabilitation Treatment center and has also worked as a psychiatrist at Gaudenzia's Harrisburg Outpatient and West Shore facilities. The primary focus of his services at these facilities has been substance abuse and addiction treatment while still treating any mental health issues, either related or unrelated to chemicals.

For further information about Gaudenzia please go to

Psychiatric/Substance Abuse Consultant

Dr. Kruszewski has served as a consultant for the Bureau of Professional and Occupational Affairs-VRP, Department of State, Commonwealth of Pennsylvania, a program designed to assist professionals with substance abuse issues. Dr. Kruszewski is also a Senior Psychiatric/Substance Abuse consultant for Capital Blue Cross and a member of the Capital Blue Cross QM Oversight Committee.