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Meet Our Team

Physicians

Alicia Casey, MD

Alicia Casey , MD

Co-Director, Interstitial Lung Disease Program; Director, Fellowship Training Program
Assistant Professor of Pediatrics, Harvard Medical School
Jonathan Gaffin, MD, MMsc

Jonathan Gaffin , MD, MMsc

Director, Severe Asthma Program, Director, Pulmonary Clinical Research and Clinical Trials Programs
Associate Professor of Pediatrics, Harvard Medical School
Umakanth Katwa, MD

Umakanth Katwa , MD

Director, Sleep Center; Pulmonologist, Division of Pulmonary Medicine; Director, Sleep Laboratories; Director; Primary Ciliary Dyskinesia Program
Assistant Professor of Pediatrics, Harvard Medical School
Mary Mullen, MD, PhD

Mary Mullen , MD, PhD

Director, Pulmonary Hypertension Service; Senior Associate Cardiologist, Department of Cardiology
Associate Professor of Pediatrics, Harvard Medical School
Sara O. Vargas, MD

Sara O. Vargas , MD

Staff Pathologist; Pulmonary Pathology, Department of Pathology; Director of Quality and Patient Safety
Associate Professor, Harvard Medical School