Dr. Robert H. Drennan

Dr. Robert Drennan is an electrophysiologist with CIS in Baton Rouge and Zachary.

He completed his Bachelor of Science degree in biochemistry and molecular biology, as well as a Bachelor of Arts degree in chemistry, at the College of Charleston in South Carolina. He earned his doctorate of medicine from the University of South Carolina School of Medicine in Columbia, South Carolina. He completed a residency in internal medicine from the Tulane University School of Medicine in New Orleans. He also completed both his cardiology and electrophysiology fellowship at the Louisiana State University Health Science Center in New Orleans.

Dr. Drennan is board certified in internal medicine, cardiology, nuclear cardiology, and clinical electrophysiology. He previously worked at Touro Infirmary, and he also worked as a lab assistant at the Medical University of South Carolina and at the College of Charleston.

Dr. Drennan is a member of the American College of Cardiology, the Heart Rhythm Society, and the American Society of Nuclear Cardiology. He has presented, researched, and written for numerous publications on a variety of topics, including sudden cardiac arrest, atrial fibrillation, and peripheral arterial disease. He has earned many awards, such as the Douglas Scholarship and the College of Charleston Founder’s Scholarship.

Dr. Drennan is highly rated in 34 conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Familial Neurocardiogenic Syncope, Fainting, Pacemaker Implantation, and Cardiac Ablation.

Dr. Drennan is board certified in Cardiology, Clinical Electrophysiology, Internal Medicine, and Nuclear Cardiology. He is actively involved in clinical research, co-authoring 3 peer reviewed articles. Dr. Drennan is currently accepting new patients.