Mary Youssef, MD

Shirley Williams, M.D. practices at Cardiovascular Specialists in Lewisville, Texas. Services include diagnosis, treatment and maintenance of heart and vascular conditions.

Thirteen years of experience as a critical care nurse in one of the busiest county hospitals have given me the greatest insight into the health care in the community. Limited health care access and the lack of continuum of care have been the biggest threat to the health promotion and the health maintenance of the patients. By collaborating with the supervising physician as an Advanced Practice Nurse Practitioner, my primary mission is to minimize this issue by assuring that every patient comes