Usama B Kanaan, MD

Pediatric Cardiologist





Dr. Kanaan directs the Pulmonary Hypertension Program at Children’s Healthcare of Atlanta. He also has a general cardiology clinic at Sibley Heart Center in the Lawrenceville office. He is the father of two girls and they enjoy rock climbing together.


Sibley Heart Center Cardiology

738 Old Norcross Road, Suite 110
Lawrenceville, GA 30046
Get Directions 404-256-2593

Sibley Heart Center Cardiology

2135 Eastview Parkway, Suite 300
Conyers, GA 30013
Get Directions 404-256-2593

Sibley Heart Center Cardiology

1400 Tullie Road NE, Suite 630
Atlanta, GA 30329
Get Directions 404-256-2593

Focus of Practice

  • Congenital heart disease
  • Pulmonary arterial hypertension

Areas of Interest

  • Pulmonary artery hypertension (idiopathic, heritable, congenital heart disease-associated, bronchopulmonary dysplasia-associated, etc.)
  • Congenital heart disease

Professional Affiliations

  • Pulmonary Hypertension Association
  • PHA Pulmonary Hypertension Clinicians and Researchers
  • Association for Pediatric Pulmonary Hypertension

Research Interests

Pulmonary hypertension (pharmaceutical trials, associations with other medical conditions, prevention and treatment)

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