Photo of Cassandra M. Kelleher, MD

Cassandra M. Kelleher, MD

  • Surgical Director, Multidiciplinary Fetal Care Group


Accepting New Patients



Pediatric Surgery


Centers & Specialties

MassGeneral Hospital for Children

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
Medical Education
  • MD, Harvard Medical School
  • Residency, Barnes-Jewish Hospital|Residency, Brigham and Women's Hospital
  • Fellowship, Hospital for Sick Children
Board Certifications
  • Surgery
  • Pediatric Surgery
  • Boston: Massachusetts General Hospital
  • Braintree: Blue Hills Medical Center
  • Foxborough: Brigham and Women's/Mass General Health Care Center at Patriot Place
Patient Gateway
Yes, learn more
Insurances Accepted
  • Aetna Health Inc.
  • Beech Street
  • Blue Cross Blue Shield - Blue Care 65
  • Blue Cross Blue Shield - Indemnity
  • Blue Cross Blue Shield - Managed Care
  • Blue Cross Blue Shield - Partners Plus
  • Cigna (PAL #'s)
  • Fallon Community HealthCare
  • Great-West Healthcare (formally One Health Plan)
  • Harvard Pilgrim Health Plan - ACD
  • Harvard Pilgrim Health Plan - PBO
  • Health Care Value Management (HCVM)
  • Humana/Choice Care PPO
  • MassHealth
  • Medicare
  • Medicare - ACD
  • Neighborhood Health Plan - ACD
  • Neighborhood Health Plan - PBO
  • OSW - Maine
  • OSW - New Hampshire
  • OSW - Rhode Island
  • OSW - Vermont
  • Private Health Care Systems (PHCS)
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - ACD
  • United Healthcare (non-HMO) - PBO
Patient Age Group
Pediatric and Adult

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Dr. 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.

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Research & Publications

Research Summary
Dr. 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.

View my most recent publications at PubMed

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News & Events


Pediatric Surgery
55 Fruit Street
Boston MA, 02114-2696
Phone 1: 617-724-1602
Fax: 617-726-2167

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