About
Nancy Hua, DO, is a double board-certified pediatric cardiologist practicing in Billings, Montana. She completed her residency in Pediatric Medicine at the University of California San Francisco-Fresno, then went on to fellowship training in Pediatric Cardiology at Oregon Health and Science University in Portland. After fellowship, Dr. Hua joined the faculty of the Division of Pediatrics at UCSF-Fresno, where she directed clinical education for both the Pediatric Residency and Pediatric Cardiology subdivision.
Dr. Hua holds active membership in the American College of Cardiology and the American Academy of Pediatrics. Her clinical interests span congenital and acquired heart conditions across all ages, from newborns with cyanosis to adults managing coronary artery disease, arrhythmias, and POTS. She has published peer-reviewed research on transcatheter closure of ventricular septal defects and newborn cyanosis management, and has delivered invited presentations at institutions including Doernbecher Children's Hospital. She is passionate about preventive and functional heart care, integrating advanced diagnostics with individualized lifestyle strategies. Outside of medicine, she enjoys spending time with her family.
Education & Training
Residency
Pediatric Medicine, University of California San Francisco-Fresno
Fellowship
Pediatric Cardiology, Oregon Health and Science University, Portland
Additional Training
Faculty, Division of Pediatrics, University of California San Francisco-Fresno; Director of Clinical Education, Pediatric Residency, and Pediatric Cardiology subdivision
Certifications
Conditions Treated
Who is Dr. Hua right for?
Dr. Hua is a strong fit for patients of any age seeking specialized cardiovascular care with direct physician access. Parents concerned about a child's heart murmur, arrhythmia, or congenital heart condition will find her pediatric cardiology training directly relevant. Adults managing coronary artery disease, atrial fibrillation, hypertension, or metabolic syndrome benefit from her preventive and functional approach. Athletes and executives seeking comprehensive heart screening also fit well within her practice. Her panel stays small enough for same-day appointments and after-hours communication.
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Frequently Asked Questions
Dr. Hua treats a wide range of pediatric and adult heart conditions. These include congenital heart disease, ventricular and atrial septal defects, tetralogy of Fallot, hypertrophic cardiomyopathy, long QT syndrome, Wolff-Parkinson-White syndrome, atrial fibrillation, POTS, pulmonary hypertension, coronary artery disease, heart failure, and more. She also manages metabolic conditions like hypertension, hypercholesterolemia, and metabolic syndrome.
Yes, Dr. Hua cares for patients from newborns through adulthood. Her fellowship training focused on pediatric cardiology, and she has extensive experience with adult congenital heart disease as well. She evaluates and treats heart conditions across every stage of life.
Dr. Hua holds dual board certifications in Pediatrics and Pediatric Cardiology. She completed her residency at the University of California San Francisco-Fresno and her fellowship at Oregon Health and Science University in Portland.
Dr. Hua takes a proactive approach to cardiovascular risk. She uses advanced lab panels, including ApoB, Lipoprotein(a), fasting insulin, and oxidative stress markers, to identify risk before symptoms develop. She also incorporates lifestyle medicine and natural therapies into her care plans alongside conventional cardiology.
Yes, Dr. Hua offers second opinion consultations for both pediatric and adult heart concerns. She schedules second opinion appointments within two business days and provides a written summary uploaded to a secure patient portal.
Dr. Hua offers echocardiograms, EKGs, stress treadmill testing, extended Holter monitoring, mobile cardiac telemetry, carotid intima-media thickness testing, and Cleerly CTA with AI plaque analysis for coronary artery disease risk. At-home sleep studies and cardiac genetic testing are also available.
Yes, Dr. Hua has authored peer-reviewed publications including research on newborn cyanosis management in NeoReviews and transcatheter closure of ventricular septal defects in Cardiology Young. She has also delivered oral presentations at the AAP National Conference and the Western Society of Pediatric Cardiology.
Members reach Dr. Hua directly by phone or text after standard office hours. She responds within 24 hours, including on weekends. This direct access is a core feature of her concierge model.
Yes, Dr. Hua offers a Sport Screen Package that includes an ECG and echocardiogram. This evaluation suits student athletes, competitive adults, and anyone seeking cardiac clearance before intense physical activity.
After her fellowship, Dr. Hua served on faculty in the Division of Pediatrics at UCSF-Fresno. She directed clinical education for the Pediatric Residency program and the Pediatric Cardiology subdivision. She has also delivered grand rounds and invited lectures at multiple institutions.
Doctor profile last updated April 11, 2026