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About Us

Every Heartbeat Matters.

At Mississippi Children's Heart Clinic, we provide exceptional, specialized pediatric cardiology care in a welcoming, family-centered environment designed around children and the people who love them.

Dr. Onyekachukwu Osakwe, pediatric cardiologist
Pediatric Cardiology

Dr. Onyekachukwu Osakwe

Pediatric Cardiologist

At the heart of Dr. Onyekachukwu Osakwe's work is a simple belief: every child deserves to be cared for as if they were his own.

With over two decades of experience and dual board certification in pediatrics and pediatric cardiology, he brings together academic excellence, clinical expertise, and a deeply personal approach to care. Grounded in evidence-based medicine and shaped by years of leadership and teaching, his focus is on delivering clear answers, timely access, and a better experience for families.

  • Dual board-certified pediatric cardiologist
  • 20+ years of clinical experience
  • MPH-trained (Epidemiology & Biostatistics)
  • Published author and former academic faculty
Learn more about Dr. Osakwe
Dr. David S. Braden, pediatric cardiologist
Pediatric Cardiology

Dr. David S. Braden

Pediatric Cardiologist

With more than four decades of experience, Dr. David S. Braden is a trusted leader in pediatric cardiology and the founding physician of Mississippi Children's Heart Clinic. His work has shaped a legacy of compassionate, patient-centered care for families across the region.

He is especially recognized for his expertise in congenital heart disease and POTS/dysautonomia, bringing a depth of experience that continues to guide patient care and program development.

  • Board-certified pediatric cardiologist
  • 40+ years of clinical experience
  • Founder of Mississippi Children's Heart Clinic
  • Leader in congenital heart disease & POTS care
Learn more about Dr. Braden
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