Dr. Bruce Kaster is a psychiatrist who specializes in treating psychiatric conditions of the elderly, including depression, anxiety, bipolar disorder, Alzheimer’s disease and related dementias, as well as the psychiatric effects of medical conditions. Treatment approaches may include psychotherapy and/or pharmacotherapy. Dr. Kaster maintains a busy private office practice in addition to regularly visiting nursing homes, assisted living facilities and retirement communities. Dr. Kaster lectures extensively on issues pertaining to geriatric mental health, including Alzheimer’s disease. Ketamine Greater Boston, overseen by Dr. Kaster, provides ketamine infusion therapy for individuals suffering from severe depression. Located in Needham, MA, the ketamine clinic is operated by experienced psychiatrists and staffed with some of Boston’s most highly-rated nurse anesthetists. Each member of the clinical team is highly-trained to administer ketamine infusions safely, and always in a supportive and compassionate environment.