The Heart Institute at UPMC Children’s Hospital of Pittsburgh Welcomes New Adult Congenital and Pediatric Cardiologist Josue Diaz-Frias, MD
October 14, 2025
The Heart Institute at UPMC Children’s is proud to announce the addition of adult congenital and pediatric cardiologist Josue Diaz-Frias, MD.
Clinical Expertise
After receiving his medical degree from the Autonomous University of Ciudad Juarez School of Medicine, Dr. Diaz-Frias completed a pediatric residency at The Brooklyn Hospital Center and The University of Nevada, Las Vegas. Following his residency, Dr. Diaz-Frias completed a fellowship in pediatric cardiology at Spectrum Health, Michigan State University, and Helen DeVos Children’s Hospital. Most recently, he completed a fellowship in adult congenital heart disease at University of Michigan Health Systems Dr. Diaz-Frias is board-certified by the American Board of Pediatrics in pediatrics and pediatric cardiology.
The Adult Congenital Heart Disease Center – a joint program of the Heart Institute at UPMC Children’s Hospital of Pittsburgh and the UPMC Heart and Vascular Institute – is the only one if its kind in the region, treating children and adults diagnosed with congenital heart disease. Our center provides the full scope of management for patients with congenital heart disease. Lifelong surveillance by a congenital heart disease specialist is essential to identify and treat complications early, which ultimately improves patient outcomes.
Dr. Diaz-Frias brings his expertise to the robust team of specialists at the UPMC Adult Congenital Heart Disease Center and will support the team’s mission of enhancing patient care and advancing treatment for congenital heart disease.
About the Heart Institute at UPMC Children’s
The Heart Institute at UPMC Children’s is among the top institutions in the country for cardiology and heart surgery.
- Our program has welcomed patients and their families from 22 countries.
- The pediatric Heart and Lung Transplant Program, part of the Heart Institute, has performed more heart-lung transplants in children than any other center in the U.S.
- The Heart and Lung Transplant Program at UPMC Children’s has performed more than 450 organ transplants in children to date, including more than 360 heart transplants.
- UPMC Children’s has more than 30 years of experience using ventricular assist devices (VADs) to help children with heart failure.
- The Heart Institute is home to the Da Silva Center for Ebstein’s Anomaly, where Luciana da Fonseca da Silva, MD, and José Pedro da Silva, MD, the creator of the cone procedure, operate on patients from around the world with Ebstein’s anomaly.
- We are an Extracorporeal Life Support Organization (ELSO) Platinum Center of Excellence – the highest designation for Excellence in Life Support by ELSO.
- The UPMC Adult Congenital Heart Disease Program is accredited by the Adult Congenital Heart Association (ACHA) for the program’s excellence in clinical care and patient support, one of only 50 centers across the nation and the only program in western Pennsylvania to receive this recognition.
Contact Us
To learn more, or refer a patient, contact the Heart Institute at 412-692-5218 or email us at CHPHeartReferral@chp.edu or ACHD@upmc.edu.
