Dr. Mazzola was born in Brooklyn, New York. He graduated from the University of Hartford with a Bachelor’s degree in Music. He majored in Piano Performance with a Minor in Earth Science. He graduated in 1987 at the University of Connecticut School of Medicine. Dr. Mazzola did his internship and residency in Internal Medicine at New York University and Bellevue Hospital Center where he was then Chief Medical Resident from 1990-1991. He then continued his Fellowship in Cardiology at New York University and went on to a fellowship in Cardiac Electrophysiology from 1993-1994 at the University of Massachusetts, and a second year in at the University of California in San Diego.   He came to the Rio Grande Valley in 1995 as the first   Cardiac Electrophysiologist south of San Antonio and founded the South Texas Arrhythmia Center at McAllen Medical Center.  His Board Certifications include Cardiovascular Disease and Clinical Cardiac Electrophysiology.   He is a Fellow of the American College of Cardiology and a Fellow of The Heart Rhythm Society. He is a previous member of the American Autonomic Society.  He has been the Medical Director of the Cardiac Electrophysiology Program at Valley Regional Medical Center in Brownsville, Texas and at Mission Regional Medical Center in Mission, Texas. He currently leads our Cardiac Electrophysiology Program at Harlingen Medical Center and is the Co-Director of our Arrhythmia Center and Device Clinic at South Heart Clinic.

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He practices all aspects of cardiac electrophysiology, including catheter ablations, complex ablations for atrial fibrillation and ventricular tachycardia, pacemaker, defibrillator, and heart failure device implantation, management of complex pacemaker and defibrillator problems, laser endocardial lead extractions, management of dysautonomic syncope, and clinical arrhythmia management. His prior research includes being a primary investigator in the CELESTIAL.study, (LV resynchronization lead post-market study); and the PEGASUS CRT Trial (Pacing Evaluation -Atrial Support Study in Cardiac Resynchronization Therapy). He was a co-investigator in the Pocket study (D-Stat to prevent Hematoma Formation in Protectoral Pockets), an intrinsic RV study (inhibition of Unnecessary RV Pacing with All Search Hysteresis in ICD’sZ}, and the APL Study (Advanced Pacing Lead Polyurethane Clinical investigation).  He also served as Commentator for Cardiology Review.