About Us

Meet our community of physicians, nurses, nutritionists, and therapists.

Meet the Team

Christian Merlo, MD, MPH

Associate Professor of Medicine

Associate Director, Adult Cystic Fibrosis Program

Associate Professor of Medicine

Dr. Christian A. Merlo is an associate professor of medicine at the Johns Hopkins University School of Medicine. His areas of expertise include cystic fibrosis, lung transplants and pulmonary and critical care medicine. Dr. Merlo holds a joint appointment in epidemiology at the Johns Hopkins Bloomberg School of Public Health.

Dr. Merlo attended the College of the Holy Cross and completed medical school and residency training in internal medicine at Georgetown University. He completed both clinical and research fellowships in pulmonary and critical care medicine at Johns Hopkins, and earned his M.P.H. at the Bloomberg School of Public Health.

His research interests include outcomes in lung transplantation and cystic fibrosis, HIV-related pulmonary disease, and outcomes in Osler Weber Rendu.


  • Cystic Fibrosis
  • Lung Transplantation
  • Pulmonary and Critical Care Medicine

Research Interests

  • HIV-related pulmonary disease
  • Outcomes after lung transplantation
  • Clinical outcomes in cystic fibrosis

Board Certification

  • Internal Medicine
  • Pulmonary Medicine
Contact Information
Phone: 410-502-7044
Fax: 410-502-7048
Appointments: 410-550-LUNG (5864)
Publications: Visit PubMed
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