

Pediatrics
Mary Mullen, MD
Boston, MA
Dr. Mary Mullen is Associate Director of Pediatric Pulmonary Hypertension at Boston Children' Hospital. She specializes in Pediatric Critical Care, Cardiac Intensive Care, Adult Pulmonary Hypertension, Airway Disorders, and other Cardiovascular Diseases. Dr. Mullen received her education from Harvard Medical School and completed her training at Massachusetts General Hospital and Boston Children's Hospital.
35+
Years in Practice
Peer Recognition
- Castle Connolly — Top Doctor
2017-2026 (10 years)
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Pediatric Cardiology
Conditions & Treatments
Heart FailureCongenital Heart DiseaseAdult Congenital Heart DiseasePediatric Arrhythmias
Practice Details
Hospital Affiliations
- Boston Children's Hospital
Experience
35+ years in practice