About Us Maryland Treatment Centers Inc., also known as Mountain Manor Treatment Centers/ Marcie Choice- Frederick provides a comprehensive continuum of treatment for persons with problems involving substance use. We feature specialty services for young adults and adults. Clinical programs include assessment, residential/inpatient, detoxification, day treatment, intensive outpatient and outpatient substance abuse, dual diagnosis, mental health, special education and prevention services. Mountain Manor treatment programs are accredited by the Joint Commission (JCAHO). Marcies Choice in Frederick, MD is looking for Full-Time, PT and PRN Registered Nurses & Medication Technicians. Responsibilities The overall responsibility is to: • Assist the nursing department in the delivery of care to patients • Administer medication to patients • Perform basic medical check-ups • Providing patient care • Updating records • Completing documentation Requirements • Requires a medication certification/license issued in the State of Maryland