Peds Happy Hearts, PLLC


Meet Dr. Nancy Hua

Pediatric Cardiology Specialist

Double board certified pediatric cardiologist providing direct care to patients with heart concerns.

Nancy Hua, DO, is a pediatric cardiologist in Billings, Montana. Her training included a residency in Pediatric medicine at the University of California San Francisco-Fresno and a fellowship in Pediatric Cardiology at Oregon Health and Science University in Portland. 

After completing her fellowship, she assumed the faculty role within the Division of Pediatrics, University of California San Francisco-Fresno. There, she focused on providing outpatient and in-patient cardiology services. She was the Director of Clinical Education, Pediatric Residency, and Pediatric Cardiology subdivision.

She is double board-certified in Pediatric and Pediatric Cardiology. Dr. Nancy Hua is an active member of the American College of Cardiology. Her medical interests are general pediatrics congenital and acquired cardiology conditions.

In her free time, Dr. Hua enjoys spending time with her family, which reflects her balanced approach to life and her belief in the importance of self-care.



Hua N, Yieh L, Dukhovny D and Armsby L. Important Considerations in the Management of Newborns with Cyanosis. NeoReviews. 2017;18:e258-e264

Hua N, Aquino P and Owada CY. Transcatheter closure of perimembranous ventricular septal defects with the Amplatzer Vascular Plug-II. Cardiol Young. 2016;26:1194-201.

Hua N, Kelly P, Ronai C. What is the Diagnostic Yield of Echocardiograms in Pediatric Patients with Structurally Normal Hearts with Suspected Infective Endocarditis? Oral presentation at American Academy of Pediatrics National Conference, Section on Cardiology and Cardiac Surgery; 2017 September 16; Chicago, IL.

Hua N, Owada C. Transcatheter Closure of Perimembranous Ventricular Septal Defect with Amplatzer Vascular Plug II. Oral presentation at Western Society of Pediatric Cardiology; 2014 April 12; Dana Point, CA. 

Hua N, Roberto L, Sudakhar R, Moua J, Tablizo M.A. Efficiency of Inhaled Amikacin on Eradicating Non-tuberculous Mycobacterium in Cystic Fibrosis Pediatric Patient. Oral poster session presented at the annual meeting of American Thoracic Society conference; 2014 May 121; San Diego, CA.

Dabrowski L, Hua N, McCarty J, Tablizo M A. Clinical Presentations and Treatments of Pulmonary Coccidioidomycosis In Infants (0-12months). Poster session presented at the annual meeting of American Thoracic Society conference; 2014 May 18; San Diego, CA.

Chalyan G, Derhodge L, Hua N, Karabalin N, Khaw L, Menard C, Ong V. Human Papilloma Virus (HPV) Attitude Research and Awareness. Poster session presented at Westland Health Fair; 2009; Pomona, CA.

Invited Presentation

Grand round: Innovations in Cardiac Devices and Techniques. 2019 January 8; Fresno, California
CPR: Cardiovascular physiology Lab. Discussed exercise physiology and educated medical students on EKG. 2017 March 9; Portland, Oregon.

Pulseless Hypertension. Presented at Willamette Valley Society of Echocardiography. 2016 October 1; Portland, Oregon.
Pediatric Cardiology 101. Presented to medical student at Doernbecher Children’s Hospital. 2015 October 22 and 2016 February 3; Portland, Oregon.