Cardiology
Robert Drennan, MD
Zachary, LA
Dr. Robert Drennan, MD is a Cardiology Specialist who practices in Zachary, LA. He is 44 years old.
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Credentials
Years in Practice
18+ years
Peer Recognition
- Castle Connolly — Top Doctor
2025-2026 (2 years)
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Clinical Cardiac Electrophysiology
Conditions & Treatments
Pacemaker ImplantationCardiac ArrhythmiasAtrial FibrillationArrhythmia Management
Insurance(s) Accepted
Please verify your coverage with the provider — plan participation can change.
Practice Details
Hospital Affiliations
- Baton Rouge General Medical Center
- Lane Regional Medical Center
- Our Lady of the Lake Regional Medical Center
Conditions Dr. Drennan treats
Insurance accepted
Frequently asked
Does Dr. Drennan accept Aetna insurance?
Robert Drennan's public profile lists Aetna, Anthem Blue Cross Blue Shield, and Blue Cross Blue Shield plus 6 more health plans as accepted plans. Plan participation can change — confirm directly with the practice before your visit.
Where does Dr. Drennan practice?
Robert Drennan practices in Zachary, LA with hospital affiliations including Baton Rouge General Medical Center, Lane Regional Medical Center, and Our Lady of the Lake Regional Medical Center.
What does Dr. Drennan specialize in?
Robert Drennan is a board-certified cardiology specialist with focus areas in Clinical Cardiac Electrophysiology.
How long has Dr. Drennan been practicing?
Robert Drennan has 18+ years of clinical experience in cardiology.
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