Staff

You will join a well-established cardiovascular team at Mercy Hospital of Buffalo, recognized for clinical collaboration and strong physician retention. As the fourth electrophysiologist in the practice, you join three established EP physicians who manage complex arrhythmia cases together in a collegial, team-oriented environment within one of the region's largest cardiovascular programs.

Team Composition

• Established electrophysiology team you join as the fourth physician, growing from 3 EP physicians to 4
• 1:1 EP-to-APP support, with 4 APPs dedicated to the EP team
• More than 32 cardiologists across general, interventional, imaging, heart failure, and electrophysiology
• 23+ advanced practice providers across the cardiovascular service line
• Experienced nursing, cath lab, and diagnostic teams
• RNs and Angio Rad Technologists cross trained to scrub and monitor all procedure types
• Close collaboration with structural heart, interventional cardiology, cardiac surgery, vascular surgery, and advanced cardiac imaging

Practice Culture

Many physicians and staff have built long-term careers at Mercy Hospital, creating a stable environment defined by mutual respect and shared clinical standards. APPs support consultations, follow-up care, and hospital rounding, which lets physicians focus on procedures and patient care. The team welcomes both experienced electrophysiologists and early-career physicians, and offers leadership, program development, and clinical research opportunities.

Electrophysiology Team

• Mohamed Metawee, MD, board certified in electrophysiology, cardiology, echocardiography, and internal medicine; EP fellowship at Vanderbilt University. https://trinitymedicalwny.org/provider/mohamed-metawee/
• Zachary M. Lill, MD, electrophysiology; performs ablation, device implantation, lead management, extractions, Watchman, and EP studies. https://trinitymedicalwny.org/provider/zachary-m-lill-md/
• Grzegorz Rozmus, DO, board certified in internal medicine, cardiovascular disease, and clinical cardiac electrophysiology; EP fellowship at University of Rochester Medical Center. https://trinitymedicalwny.org/provider/grzegorz-rozmus-do/

Full electrophysiology provider directory: https://trinitymedicalwny.org/providers/cardiology/electrophysiology/