Physician Photo

Leon M. Ptaszek, MD, PhD

  • Phone: 617-643-4017
Department of Medicine


  • Heart Center
  • Cardiac Arrhythmia Service
Clinical Interests
Treatment of cardiac arrhythmias
Catheter ablation of supraventricular tachycardias
Pacemaker therapy
Implanted cardioverter defibrillator (ICD) therapy
Cardiac resynchronization therapy
Boston: Massachusetts General Hospital
Medical Education
MD, PhD, Mount Sinai School of Medicine
Residency, Stanford University Medical Center
Fellowship, Massachusetts General Hospital
Board Certifications
Internal Medicine, American Board of Internal Medicine
Cardiovascular Disease, American Board of Internal Medicine
Clinical Cardiac Electrophysiology, American Board of Internal Medicine
Patient Age Group
Accepting New Patients
Accepting New Patients

BiographyDr. Ptaszek received his M.D. and Ph.D. degrees at the Mount Sinai School of Medicine.  He completed his residency training at the Stanford University School of Medicine.  After the completion of his residency training, Dr. Ptaszek completed fellowships in cardiology and clinical cardiac electrophysiology at the Massachusetts General Hospital.  He is board certified in internal medicine, cardiovascular diseases, and clinical cardiac electrophysiology.  Dr. Ptaszek is currently an Instructor in Medicine at Harvard Medical School and MGH.  His practice is currently accepting new patients.

Electrophysiology Lab/Arrhythmia Service
55 Fruit Street
Boston, MA 02114-2696

Phone: 617-643-4017
Phone 2: 617-726-9292
Fax: 617-724-6747