EDGEWOOD INPATIENT MENTAL HEALTH AND ADDICTION TREATMENT CENTRE Edgewood is a premier, private residential alcohol and drug addiction treatment centre specializing in the treatment of addiction and mental health. Our campus located in Nanaimo, BC on Vancouver Island is internationally recognized for patient care excellence and is acknowledged as one of the very best drug and alcohol treatment centres in North America Setting us apart from others, Edgewood’s full-time, ASAM/ABAM certified medical doctors are experts in the field of addiction medicine and psychiatry including drug and alcohol withdrawal treatment.