Ms. Mary Julia Martin-o'brien, APRN Clinical Nurse Specialist - Adult Health Medicare: Not Enrolled in Medicare Practice Location: 555 Willard Ave, Newington, CT 06111 Phone: 860-666-6951 Fax: 860-667-6738
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.