Dr. Donnellan holds a Bachelor of Science degree in Physiology from the University College Cork in Ireland, where he also earned his medical degree (MB, BCh, BAO). He completed an internal medicine program and cardiovascular medicine fellowship at the Cleveland Clinic Foundation, which is also where he served as a Fellow in clinical cardiac electrophysiology. Since 2022, he worked at Tulane University as a Professor of Medicine in Cardiac Electrophysiology and he is currently completing a Master’s in Business Administration at Tulane.
Dr. Donnellan holds a Bachelor of Science degree in Physiology from the University College Cork in Ireland, where he also earned his medical degree (MB, BCh, BAO). He completed an internal medicine program and cardiovascular medicine fellowship at the Cleveland Clinic Foundation, which is also where he served as a Fellow in clinical cardiac electrophysiology. Since 2022, he worked at Tulane University as a Professor of Medicine in Cardiac Electrophysiology and he is currently completing a Master’s in Business Administration at Tulane.
The reviews listed below were collected independently of Cardiovascular Institute of the South (CIS) through rater8. Each review represents an authentic and verified patient experience.
He is an exceptional Cardiologist who is friendly, kind, compassionate and very personable. THAT goes a long way in trusting someone to care for you. He is just a wonderful person. I am very grateful he saved my life, twice.
(6 days ago)
Apr-2026
Wonderful bedside manner. Took time to answer my questions and did not rush me.
(1 week ago)
Apr-2026
Very pleased, took the time to explain and answered all questions
(1 week ago)
Apr-2026
He’s like the Irish Chuck Norris of heart doctors.
(1 week ago)
Mar-2026
Thank you Dr. Donnellan for the excellent care you are providing for me.
Clayton Sampy.
(2 weeks ago)
Mar-2026
Always willing to listen to me. Very professional and kind.
(3 weeks ago)
Mar-2026
Doctor Donnellan is exceptional. Good manners, good surgical skills, good communication.
(3 weeks ago)
Mar-2026
Kind knowledgeable concerned with patient and family understanding, and easy to look at.
(1 month ago)
Mar-2026
Good
(1 month ago)
Mar-2026
Very knowledgeable and professional. Easy to talk with
Dr. Eoin Donnellan is an electrophysiologist at Cardiovascular Institute of the South (CIS) in Lafayette.
Dr. Donnellan holds a Bachelor of Science degree in Physiology from the University College Cork in Ireland, where he also earned his medical degree (MB, BCh, BAO). He completed an internal medicine program and cardiovascular medicine fellowship at the Cleveland Clinic Foundation, which is also where he served as a Fellow in clinical cardiac electrophysiology. Since 2022, he worked at Tulane University as a Professor of Medicine in Cardiac Electrophysiology and he is currently completing a Master’s in Business Administration at Tulane.
Dr. Donnellan is board certified in internal medicine, cardiovascular medicine and cardiac electrophysiology. He has earned multiple research awards and has published over 150 manuscripts, abstracts and presentations during his career, demonstrating his passion for knowledge and learning.
See other doctors in Cardiovascular Institute of the South (CIS)
He is an exceptional Cardiologist who is friendly, kind, compassionate and very personable. THAT goes a long way in trusting someone to care for you. He is just a wonderful person. I am very grateful he saved my life, twice.
Wonderful bedside manner. Took time to answer my questions and did not rush me.
Very pleased, took the time to explain and answered all questions
He’s like the Irish Chuck Norris of heart doctors.
Thank you Dr. Donnellan for the excellent care you are providing for me. Clayton Sampy.
Always willing to listen to me. Very professional and kind.
Doctor Donnellan is exceptional. Good manners, good surgical skills, good communication.
Kind knowledgeable concerned with patient and family understanding, and easy to look at.
Good
Very knowledgeable and professional. Easy to talk with