Overview
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 rated as an Advanced provider by MediFind in the treatment of Apoplexy. His top areas of expertise are Atrial Fibrillation, Familial Neurocardiogenic Syncope, Fainting, Pacemaker Implantation, and Cardiac Ablation.
His clinical research consists of co-authoring 4 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
8401 Picardy Ave, Baton Rouge, LA 70809
1125 W Highway 30, Gonzales, LA 70737
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Cardiovascular Institute
Dr. Garland Green joined Cardiovascular Institute of the South in 2012 as an interventional cardiologist at the Baton Rouge office. He has provided cardiology care for patients since 2007.Dr. Green earned his doctorate at Meharry Medical College in Nashville, Tennessee. He completed his internal medicine residency through the University of Alabama-Birmingham Program, and he completed his cardiology and interventional cardiology training at Vanderbilt University Medical Center in Nashville, Tennessee.Dr. Green is board certified in internal medicine and cardiology, and he is a member of the American College of Cardiology, the National Medical Association, and the American Medical Association. Dr. Green is rated as a Distinguished provider by MediFind in the treatment of Apoplexy. His top areas of expertise are Stable Angina, Metabolic Syndrome, Angina, Atherectomy, and Heart Bypass Surgery.
Cardiovascular Institute
Krishna Nagendran is a Cardiologist in New Iberia, Louisiana. Dr. Nagendran is rated as a Distinguished provider by MediFind in the treatment of Apoplexy. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.
Office
Dr. Charles Thompson received his undergraduate degree from the University of Southwestern Louisiana in Lafayette. After working 15 years in the medical field as a paramedic in south Louisiana, he completed his medical education at the LSU School of Medicine in New Orleans.He began his postgraduate medical training in internal medicine at Earl K. Long Medical Center in Baton Rouge. He then completed a cardiovascular disease fellowship at LSU Medical Center in Shreveport, where he was also invited to serve for an additional year as chief cardiovascular fellow/interventional fellow.Dr. Thompson is board certified in cardiovascular disease and cardiovascular computed tomography. In 1990, he was awarded the MBB Golden Hour Award, an international award of excellence for an aeromedical crew. He is a member of the American Medical Association, American College of Physicians, and Louisiana State Medical Society. He is a fellow in the American College of Cardiology and the Society of Cardiovascular Angiography and Intervention. He is an invited member of the International Andreas Gruentzig Society which meets to discuss the current state of cardiovascular intervention and then publishes recommendations for the direction of research in in the field. He also holds positions in local hospital and national organization governing committees.In 2007, Dr. Thompson joined the CIS team as an interventional cardiologist in Zachary. In addition to providing general cardiovascular disease care, he has a special interest in syncope and cardiac electrophysiology.He and his wife Donna reside in Louisiana. They have six children and 4 grandchildren. His leisure time is spent traveling with family, woodworking, and refurbishing antique wood and metal working machines. Dr. Thompson is rated as a Distinguished provider by MediFind in the treatment of Apoplexy. His top areas of expertise are Angina, Pulmonary Edema, Coronary Heart Disease, Pacemaker Implantation, and Percutaneous Coronary Intervention (PCI).
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Atrial FibrillationDr. Drennan isDistinguished. Learn about Atrial Fibrillation.
- Advanced
- AnginaDr. Drennan isAdvanced. Learn about Angina.
- ApoplexyDr. Drennan isAdvanced. Learn about Apoplexy.
- ArrhythmiasDr. Drennan isAdvanced. Learn about Arrhythmias.
- Arrhythmogenic Right Ventricular Cardiomyopathy
- Arterial EmbolismDr. Drennan isAdvanced. Learn about Arterial Embolism.
- AtherosclerosisDr. Drennan isAdvanced. Learn about Atherosclerosis.
- Experienced
- Adenosine Deaminase 2 DeficiencyDr. Drennan isExperienced. Learn about Adenosine Deaminase 2 Deficiency.
- Anomalous Left Coronary Artery from the Pulmonary Artery
- Aortic RegurgitationDr. Drennan isExperienced. Learn about Aortic Regurgitation.
- Aortic Valve StenosisDr. Drennan isExperienced. Learn about Aortic Valve Stenosis.
- Arterial InsufficiencyDr. Drennan isExperienced. Learn about Arterial Insufficiency.
- Brugada SyndromeDr. Drennan isExperienced. Learn about Brugada Syndrome.