Grace S Trivers, APRN-BC Clinical Nurse Specialist - Psych/Mental Health Medicare: Accepting Medicare Assignments Practice Location: 73 Princeton St, Suite 203, North Chelmsford, MA 01863 Phone: 978-256-6579 Fax: 978-256-1943
Clinical Nurse Specialist: A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one or more of the components of direct patient/client care, consultation, education, research and administration.