Pediatric Cardiology and Cardiothoracic Surgery

Our commitment to keeping you safe

We have never taken for granted the sacred trust you place in us to care for your child, and today we are more grateful than ever for that privilege. To learn about all the ways we are working to keep you, your family and our team members safe, visit our COVID-19 updates page.

Pediatric Cardiology and Cardiothoracic Surgery

The Heart Center

We’re committed to achieving the best possible outcome for every child’s heart.

With nearly 13,000 outpatient clinic encounters, more than 900 inpatient admissions and 802 surgical procedures in the past year, The Heart Center at Children’s Health℠ has some of the nation’s highest volumes – and some of its best outcomes.

We offer the full spectrum of cardiac care, from prenatal diagnosis to heart transplants to adult congenital care. Plus, our Safe at Home Program, advanced imaging, VAD capabilities and Cardiac Neurodevelopmental Program are setting a new standard for other hospitals to follow.


214-456-2333 ext.7
Fax: 241-456-2714

Park Cities

214-456-2333 ext.7
Fax: 241-456-2714


214-456-2333 ext.7
Fax: 241-456-2714

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Supporting Children’s Neurodevelopment After Cardiac Surgery

Children who have had cardiac surgery during infancy may experience cognitive and motor delays. Our Cardiac Neurodevelopmental Program offers screening, evaluation and follow-up to support children’s development from infancy through young adulthood.

Conferences and Events

Many of our conferences and events offer continuing education credits.

The Heart Center will present a dinner symposium at the 8th World Congress of Pediatric Cardiology and Cardiothoracic Surgery, being held in Washington DC, Aug. 27 to Sept. 1, 2023

Sign up for Upcoming CME

Latest News

Superior Outcomes in Newborns and Infants.

In 2020 and 2021, our surgical team has had 100% survival among newborns undergoing the Norwood procedure, a complex treatment with a national survival rate under 85%. We also have 100% survival for other complex procedures, including arterial switch operations, repairs of truncus arteriosus, tetralogy of Fallot and atrioventricular septal defects. Read more >> 

Welcome Sarah Lisinski, Senior Director of the Heart Center

Sarah Lisinski, MSN, RN, NE-BC, joined The Heart Center’s leadership team in 2021 and brings to Children’s Health extensive experience building teams and improving and expanding programs in world-class pediatric academic medical centers. She previously served in leadership roles at UNC Children’s in Chapel Hill, NC, Seattle Children’s Hospital and  St. Joseph’s Hospital and Medical Center in Phoenix, AZ.

Lynn Mahony, M.D., Receives Prestigious Founders Award from AAP

We are proud to be the home of the AAP Section on Cardiology & Cardiothoracic Surgery 2019 Founders Award winner, Lynn Mahony, M.D.. This award recognizes outstanding contributions in the field of pediatric cardiology and cardiovascular surgery. Dr. Mahony collaborates with other top-rated physicians nationwide to help improve the quality of life for congenital heart disease patients. She believes that it’s important to continue to learn more about these diseases, learn how to prevent them, learn better treatments and learn how to improve outcomes.

The Heart Center at Children’s Health℠ is pleased to announce it has acquired Pediatric Heart Specialists (PHS).

Also known as The Laird Group, this addition allows our Heart Center to expand pediatric heart care throughout Texas. PHS is officially a part of the Children’s Health Care Network, a collaborative network of health care providers with a shared vision of providing the best care for children. Find out more about PHS.

2019 Best Pediatric Specialists, named by D Magazine

Every year, D Magazine names the best medical professionals in the Dallas area as chosen by their peers. Children Health’s heart specialists were heavily represented again in 2019, with several of our doctors named to the list:

  • Vivian Dimas, M.D.
  • Catherine Ikemba, M.D.
  • Robert D.B. Jaquiss, M.D.
  • Matthew Lemler, M.D.
  • Lynn Mahony, M.D.
  • Sadia Malik, M.D.
  • Eric Medneloff, M.D.
  • Claudio Ramaciotti, M.D.
  • William Scott, M.D.
  • Suren Reddy, M.D.
  • Poonam Thankavel, M.D.
  • Ilana Zeltser, M.D.
  • Josh Wolovits, M.D.
  • Penn Laird, M.D.
  • Tracy Laird, M.D.
  • Michael Day, M.D.
  • Amit Verma, M.D.

2020 Texas Super Doctors® Rising Stars℠ featured in Texas Monthly

Every year, a handful of physicians undergo a rigorous nomination process to be selected in the Texas Super® Doctors Rising Stars℠ 2020 list. The award is a testament to their commitment to excellent patient care as well as their role as a leader in their field. This year's winners in cardiology include:

Meet the Care Team