David J. Callans, MD
Specialty: Cardiac Electrophysiology
Hospitals
Primary Hospital: Penn Medicine
Special expertise
Arrhythmias, Pacemakers/Defibrillators, Atrial Fibrillation
Specialty: Cardiac Electrophysiology
Hospitals
Primary Hospital: Penn Medicine
Arrhythmias, Pacemakers/Defibrillators, Atrial Fibrillation