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Cassandra M. Kelleher, MD

Surgical Director, Multidiciplinary Fetal Care Group

  • Phone: 617-724-1602
Pediatric Surgery
Department of Surgery


  • MassGeneral Hospital for Children
  • Surgery: General, Thoracic, & Minimally Invasive
Clinical Interests
Congenital lung disease
Pediatric thoracic surgery
Neonatal surgery
Minimally invasive pediatric surgery
Neonatal and adult respiratory failure
Pediatric and adolescent gynecology
Fetal care and prenatal diagnosis of surgical diseases
Esophageal anomalies
Adolescent bariatric surgery
Genetics of congenital abnormalities
Boston: Massachusetts General Hospital
Braintree: Blue Hills Medical Center
Foxborough: Brigham and Women's/Mass General Health Care Center at Patriot Place
Medical Education
MD, Harvard Medical School
Residency, Barnes-Jewish Hospital
Residency, Brigham and Women's Hospital
Fellowship, Hospital for Sick Children
Board Certifications
Surgery, American Board of Surgery
Pediatric Surgery, American Board of Surgery
Patient Gateway
Yes, learn more
Patient Age Group
Adult and pediatric
Accepting New Patients
Accepting New Patients

BiographyDr. Kelleher is a Pediatric General and Thoracic surgeon. Her clinical interests include lung disease and development, pediatric and adolescent gynecology, fetal care, adolescent bariatric surgery and pediatric cancer. She uses minimally invasivessurgical techniques when ever appropriate.

ResearchDr. Kelleher's laboratory studies late lung development, called alveolarization, that is delayed or impaired in many newborn lung diseases. She has developed a novel method to study the process of aleolar development that can be used to investigate new therapies that may improve lung development or regeneration in newborns and adults.

Q&A with Pediatric Surgeon and Researcher Cassandra Kelleher, MD

MassGeneral Hospital for Children pediatric surgeon and new mother Cassandra Kelleher, MD, answers our questions.

Research of Cassandra Michelle Kelleher, MD

Dr. Kelleher's laboratory has created a mouse lung culture model to study how alveoli form and is using the model to identify therapies that may help newborns with lung diseases.

Common Pediatric Hurdles: Advice and Updates from the Experts

Experts from the MassGeneral Hospital for Children will discuss commonly encountered issues in daily pediatric practice at this full-day live course in Dedham, MA.

Pediatric Surgery
55 Fruit Street
Boston, MA 02114-2696

Phone: 617-724-1602
Fax: 617-726-2167

Pediatric Surgery
55 Fruit Street
Boston, MA 02114-2696

Phone: 617-724-1602
Fax: 617-726-2167


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