Physician Photo

Leonard (Lenny) Sicilian, MD

Director, Adult Cystic Fibrosis Program

  • Phone: 617-724-0520
Pulmonary and Critical Care Medicine
Department of Medicine


  • Critical Care Center
  • Cardiac Intensive Care Unit
Clinical Interests
Adult cystic fibrosis
Biomedical ethics
Boston: Massachusetts General Hospital
Medical Education
MD, SUNY at Syracuse (Upstate) College of Medicine
Residency, Michael Reese Hospital and Medical Center
Fellowship, Michael Reese Hospital and Medical Center
Board Certifications
Internal Medicine, American Board of Internal Medicine
Pulmonary Disease, American Board of Internal Medicine
Patient Age Group
Accepting New Patients
Accepting New Patients

ResearchDr. Sicilian is the Co-Principal Investigator at the MGH Therapeutic Development Network (TDN) Center.  The TDN Center at MGH is sponsored by Cystic Fibrosis Therapeutics, Inc. a not for profit branch of the Cystic Fibrosis Foundation.  The MGH TDN Center participates in multicenter clinical trials sponsored by both industry and academic investigators directed at testing new therapies for Cystic Fibrosis.  All Cystic Fibrosis research is performed in collaboration with the MGH Pediatric Cystic Fibrosis Program.

Pulmonary and Critical Care
55 Fruit Street
Boston, MA 02114-2696

Phone: 617-724-0520
Fax: 617-726-2932