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 was awesome, explained things. And so nice. I felt like I have been knowing him.
(1 week ago)
Jul-2026
Dr. Donnellan is an empathetic, incredibly knowledgeable and skilled physician. Acadiana is lucky to have him.
(1 week ago)
Jul-2026
Very
(1 week ago)
Jul-2026
Helped with treat Afib with a cardiac ablation. Super smooth experience and comforted me the whole way through. Would highly recommend.
(1 week ago)
Jul-2026
Dr Donnellan is phenomenal. He takes whatever time you need in explaining whatever is happening with your heart
(1 week ago)
Jul-2026
Great interaction.
(1 week ago)
Jul-2026
Great doctor. Great listener. I don’t know if I would still be here if it wasn’t for Dr. Donnellan.
(1 week ago)
Jul-2026
Awesome dr & friend. The best
(1 week ago)
Jul-2026
Service & care!!
(2 weeks ago)
Jul-2026
Top #1 choice as electrophysiologist
Cardiovascular Institute of the South has definitely brought us all a Top choice of a well educated Cardiologist/ electrophysiologist his level of knowledge are remarkably very impressive and I will definitely recommend him to others around me.
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 was awesome, explained things. And so nice. I felt like I have been knowing him.
Dr. Donnellan is an empathetic, incredibly knowledgeable and skilled physician. Acadiana is lucky to have him.
Very
Helped with treat Afib with a cardiac ablation. Super smooth experience and comforted me the whole way through. Would highly recommend.
Dr Donnellan is phenomenal. He takes whatever time you need in explaining whatever is happening with your heart
Great interaction.
Great doctor. Great listener. I don’t know if I would still be here if it wasn’t for Dr. Donnellan.
Awesome dr & friend. The best
Service & care!!
Top #1 choice as electrophysiologist Cardiovascular Institute of the South has definitely brought us all a Top choice of a well educated Cardiologist/ electrophysiologist his level of knowledge are remarkably very impressive and I will definitely recommend him to others around me.