What We Do

Ms. Harrison and Ms. Feldhausen are certified through IntNSA as advanced Practice Addiction Registered Nurses (CARN-AP).
“The International Nurses Society on Addiction (IntNSA) is a professional specialty organization founded in 1975 for nurses committed to the prevention, intervention, treatment, and management of addictive disorders including alcohol and other drug dependencies, nicotine dependencies, eating disorders, dual and multiple diagnosis, and process addictions such as gambling.”

Roberta Feldhausen PMHCNS-BC, CARN-AP

Roberta Feldhausen is a certified Nurse Psychotherapist and certified Advanced Practice Addiction Registered Nurse. 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.


Barbara Harrison is a Psychiatric Mental Health Nurse Practitioner, a Certified Advanced Practice Addiction Registered Nurse and a Maryland State approved Substance Abuse Supervisor. Ms. Harrison is Certified in: Cognitive Behavioral Therapy(CBT) and Rational Emotive Behavioral Therapy (REBT). She is a member of the International Nurses Society on Addictions.