Mercy Hospital, part of the Catholic Health system, is a community hospital located in Rockville Centre, NY. Our compassionate doctors, nurses and health care staff are committed to providing excellence in care to meet the health needs of our patients. At Mercy Hospital, we pride ourselves on delivering safe and skilled care that patients and their loved ones can trust. Our services are continuously expanding to meet the needs of our community. The St. Francis Heart Center at Mercy Hospital precisely diagnoses and treats heart conditions using the most advanced diagnostic tools and treatments.