Clinical Nurse Specialist
The Heart Hospital Baylor Plano
Mary Ann Guillen has been a Perioperative RN for over 30 years. She earned her Bachelor of Science in Nursing degree from the University of Santo Tomas, Manila, Philippines. She worked at Hendrick Medical Center in Abilene, Texas as a perioperative nurse and RNFA for 4 years. She worked for Baylor University Medical Center as a perioperative nurse and served as a clinical supervisor for Cardiac, Thoracic and ENT services. She is currently employed at the Heart Hospital Baylor Plano as a Clinical Nurse Specialist. She has been a Certified Operating Room Nurse since 1997.