Pediatrics
Donald Hagler, M.D.
Professor of Pediatrics and Medicine
Rochester, MN
Donald J. Hagler, Sr., M.D., is a pediatric cardiologist at Mayo Clinic in Rochester, Minnesota, with a subspecialty focus in pediatric cardiac genetics and complex congenital heart disease. He primarily treats pediatric patients with congenital heart defects, including atrial septal defects, ventricular septal defects, and other structural abnormalities, as well as adults with congenital heart disease. His practice serves children from newborns through adolescence, including those r
55+
Years in Practice
Credentials
Board Certifications
- Adult Congenital Heart Disease (ABPN)
Education & Training
- Medical School: St. Louis University School of Medicine (MD)
- Fellowship: Mayo Clinic (Pediatric Cardiology)
- Residency: Mayo Clinic (Pediatric Cardiology)
Peer Recognition
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Pediatric Cardiology
Conditions & Treatments
Congenital Heart DiseaseAdult Congenital Heart DiseasePediatric Arrhythmias
Practice Details
Hospital Affiliations
- Mayo Clinic
Languages
English[2]
Experience
55+ years in practice