She is certified in Cognitive Behavioral Therapy (CBT) and Rational Emotive Behavioral Therapy (REBT). Ms. Feldhausen specializes in working with individuals and their families in the treatment of Mental Health, Addictions, and Geropsychiatric illnesses. She holds memberships in the International Nurses Society on Addictions, the American Psychiatric Nurses Association, the American Association of Geriatric Psychiatry.