David J Koehn is a doctor who uses a holistic/systems approach to therapy. He incorporates the influence and support of family structure, school and work environment, as well as community when building a positive-wellness treatment plan. He also has extensive experience providing school and organizational psychology services. His therapy practice includes: eating disorders, marriage counseling, stress reduction, addiction, anxiety disorders, depression, obsessive compulsive disorders and anger management. He is currently in the process of publishing a book entitled "Carpe Diem - A treatise of MH experiences." Dr. Koehn's psychological services expand over a 30 year period (previously licensed in NC, PA, MO, WI) to include being a medical psychologist and Director of Wellness programs for Berwick Hospital in PA. He has throughout the years developed numerous program services for children/people with special needs. He has treated PTSD. He has performed numerous psychological tests. His interest is in treating people who are aging, children and adults with special needs, and military (veterans, retired and current). He is currently working with a group to open up an Intensive Outpatient Services center dealing with addiction.