Meet the Team

Pediatric Cardiologists

Pediatric cardiologists provide comprehensive care for the fetus, newborn, child and young adult with congenital or acquired heart disease. When a heart defect is diagnosed, ongoing care with the cardiologist is established, and will continue, both inside and outside of the hospital. Cardiologists use many tests to diagnose and determine the best course of treatment.

D. Byron Holt, M.D. – Chief of Cardiology

Byron_HoltBio
Dr. Byron Holt received his undergraduate degree from Rice University and his medical degree from the University of Texas Health Science Center at San Antonio. He completed his pediatric residency, pediatric cardiology fellowship and interventional cardiology fellowship at Washington University School of Medicine in St. Louis. Dr. Holt is the Medical Director of the Cardiac Catheterization Labs at Dell Children’s. He is board certified in both pediatrics and pediatric cardiology and is a member of the Texas Medical Association, Travis County Medical Society, American Academy of Pediatrics and American College of Cardiology.

Specialty
Pediatric Cardiology, Interventional Pediatric Cardiology

Clinical Interest
Interventional Catheterization and Adult Congenital Heart Disease

Contact Info
Pediatric Cardiology of Austin
1110 East 32nd Street
Austin, TX 78722
Phone: (512) 320-8388
Fax: (512) 320-8398
www.pcatx.com

Arnold Fenrich, M.D.

Fenrich

Bio
Dr. Arnold Fenrich received his medical degree from the University of Pittsburgh and completed his pediatric residency at the Children’s Hospital of Pittsburgh. He completed a pediatric cardiology and pediatric electrophysiology fellowship at Baylor College of Medicine in Houston, Texas. He is board certified in pediatrics and pediatric cardiology. Dr. Fenrich evaluates and treats heart beat abnormalities (arrhythmias) and performs heart catheterization procedures such as catheter ablation, pacemaker and defibrillator implantation. Dr. Fenrich is a member of the Travis County Medical Society, the Texas Medical Association, the American Heart Association and the Heart Rhythm Society. He is a fellow in the American Academy of Pediatrics and the American College of Cardiology. He is also on the Championship Heart Foundation Board of Directors and a member of the University Interscholastic League Medical Advisory Committee.

Specialty
Pediatric Cardiology

Clinical Interest
Pediatric Electrophysiology

Contact Info
Children’s Cardiology Associates
4314 Medical Parkway
Austin, TX 78756
Phone: (512) 454-1110
Fax: (512) 374-1354
www.cca-austin.com

Daniel Shmorhun, M.D.

Daniel_ShmorhunBio
Dr. Daniel Shmorhun received his medical degree from Case Western Reserve University School of Medicine in Cleveland, OH and completed his pediatric residency at the National Naval Medical Center in Bethesda, MD. He completed a pediatric cardiology and pediatric electrophysiology fellowship at Baylor College of Medicine/Texas Children’s Hospital in Houston, Texas. Dr. Shmorhun served in the US Navy as a pediatric electrophysiologist until 2012, when he joined Children’s Cardiology Associates in Austin. He is a member of the Pediatric and Congenital Electrophysiology Society and the American Academy of Pediatrics. He is board certified in pediatric cardiology. Dr. Shmorhun evaluates and treats heart beat abnormalities (arrhythmias) and performs heart catheterization procedures such as catheter ablation, pacemaker and defibrillator implantation.

Specialty
Pediatric Cardiology

Clinical Interest
Electrophysiology

Contact Info
Children’s Cardiology Associates
4314 Medical Parkway
Austin, TX 78756
Phone: (512) 454-1110
Fax: (512) 374-1354

www.cca-austin.com

Gregory Johnson, M.D.

Johnson

Bio
Dr. Gregory Johnson received his medical training at Creighton University School of Medicine, Omaha, Nebraska, where he completed his residency in internal medicine and pediatrics. He then went on to complete pediatric cardiology fellowships at Baylor College of Medicine, Texas Children’s Hospital and the Texas Heart Institute in Houston, Texas. He is board certified in internal medicine, pediatrics and pediatric cardiology. Dr. Johnson is a member of the Travis County Medical Society, the Texas Medical Association and the Adult Congenital Heart Association.

Specialty
Pediatric Cardiology

Clinical Interest
Adult Congenital Heart Disease

Contact Info
Children’s Cardiology Associates
4314 Medical Parkway
Austin, TX 78756
Phone: (512) 454-1110
Fax: (512) 374-1354
www.cca-austin.com

Hanoch Patt, M.D.

Hanoch_PattBio
Dr. Hanoch Patt received his undergraduate degree from Princeton University and completed medical school, pediatric residency and pediatric cardiology fellowship at Baylor College of Medicine in Houston, Texas. Prior to moving to Austin to join the Children’s Cardiology Associates, he was on faculty at the Texas Children’s Hospital in Houston. Dr. Patt’s clinical practice includes pediatric and adult congenital heart disease and preventive cardiology. He is also completing a Master’s degree at the University of Texas School of Public Health with a focus on health policy and pediatric obesity. Dr. Patt is board certified in pediatrics and pediatric cardiology. Dr. Patt is a member of the Travis County Medical Society and the Texas Medical Association. He is a fellow in the American Academy of Pediatrics and the American College of Cardiology.

Specialty
Pediatric Cardiology

Clinical Interest
Non-invasive Imaging

Contact Info
Children’s Cardiology Associates
4314 Medical Parkway
Austin, TX 78756
Phone: (512) 454-1110
Fax: (512) 374-1354
www.cca-austin.com

Stuart Rowe, M.D.Rowe

Bio
Dr. Stuart Rowe received his undergraduate degree from Standford University. He completed medical training at the Royal College of Surgeons in Ireland and at Johns Hopkins University School of Medicine, where he received his medical degree. He continued at Johns Hopkins for pediatric residency and fellowship training in pediatric cardiology. Dr. Rowe subsequently served on faculty at Johns Hopkins before spending several years in Albuquerque, New Mexico in private practice and on the faculty at the University of New Mexico. He is one of the founding partners of Children’s Cardiology Associates and the Medical Director of Cardiology at Dell Children’s. Dr. Rowe is board certified in pediatric cardiology. Dr. Rowe is a member of the Travis County Medical Society, the Texas Medical Association and the National Marfan Society. He is a HeartGift Austin board member. He was selected by Texas Monthly magazine as a “Super Doctor” in 2010.

Specialty
Pediatric Cardiology

Clinical Interest
Echocardiography, Fetal Assessment, Managing Dyslipidemia and Teaching

Contact Info
Children’s Cardiology Associates
4314 Medical Parkway
Austin, TX 78756
Phone: (512) 454-1110
Fax: (512) 374-1354
www.cca-austin.com

Ken Shaffer, M.D.

Shaffer

Bio
Dr. Ken Shaffer is a graduate of Johns Hopkins University School of Medicine. He completed his residency at the Wilford Hall United States Air Force Medical Center and then received his fellowship training in pediatric cardiology at the Texas Children’s Hospital in Houston. He has served as a faculty member at the University of Texas Health Science Center in San Antonio. He is active in advocacy efforts for children and adults with congenital heart disease. Dr. Shaffer is board certified in pediatric cardiology and practices in Austin, Texas. Dr. Shaffer is a member of the Travis County Medical Society, the Texas Medical Association and the American Heart Association. He is a fellow in the American Academy of Pediatrics and the American College of Cardiology.

Specialty
Pediatric Cardiology

Clinical Interest
Interventional Catheterization and Non-invasive Imaging

Contact Info
Children’s Cardiology Associates
4314 Medical Parkway
Austin, TX 78756
Phone: (512) 454-1110
Fax: (512) 374-1354
www.cca-austin.com

Jeannine Schuman McCoy, M.D.

Jeannine_Schumer_McCoyBio
Dr. Jeannine Schuman McCoy received her undergraduate degree and doctorate in medicine from St. Louis University. She completed her pediatric residency at Rainbow Babies and Children’s Hospital in Cleveland, OH. Her postgraduate fellowship was completed at the Cleveland Clinic. She then went on to do a fourth year in advance cardiac imaging. She has a special interest in fetal echocardiography. Dr. McCoy is board certified in pediatrics and pediatric cardiology and is a member of the Texas Medical Association, Travis County Medical Society, American Academy of Pediatrics, and American College of Cardiology.

Specialty
Pediatric Cardiology, Fetal Echocardiography

Clinical Interest
Advanced Cardiac Imaging and Fetal Echocardiography

Contact Info
Pediatric Cardiology of Austin
1110 East 32nd Street
Austin, TX 78722
Phone: (512) 320-8388
Fax: (512) 320-8398
www.pcatx.com

Ronald Shapiro, M.D.

Shapiro

Bio
After receiving his undergraduate degree from the University of North Carolina, Dr. Ronald Shapiro went on to receive his medical degree from the University of North Carolina at Chapel Hill School of Medicine. He completed his residency in pediatrics and internal medicine at Indiana University Medical Center. His postgraduate fellowship in pediatric cardiology was completed at the Cincinnati Children’s Hospital. Dr. Shapiro is board certified in pediatric cardiology. He founded Pediatric Cardiology of Austin in August 2001. Dr. Shapiro is a member of the Texas Medical Association, Travis County Medical Society, American Academy of Pediatrics, American College of Cardiology, and the Society of Pediatric Echocardiography.

Specialty
Pediatric Cardiology

Clinical Interest
General Pediatric Cardiology and Fetal Echo

Contact Info
Pediatric Cardiology of Austin
1110 East 32nd Street
Austin, TX 78722
Phone: (512) 320-8388
Fax: (512) 320-8398
www.pcatx.com

Eileen Stewart, M.D.

Bio
Dr. Eileen Stewart received her medical degree from the University of Texas Medical School at Houston and completed her pediatric residency at the University of New Mexico Children’s Hospital. She then completed a pediatric cardiology fellowship at Children’s Hospital of Pittsburgh with an emphasis in non-invasive imaging. She is board certified in pediatrics. Dr. Stewart is a member of Alpha Omega Alpha Honor Society, Travis County Medical Society, American Academy of Pediatrics and the American Heart Association.

Specialty
Pediatric Cardiology

Clinical Interest
Fetal Cardiology and Non-invasive Imaging

Contact Info
Children’s Cardiology Associates
4314 Medical Parkway
Austin, TX 78756
Phone: (512) 454-1110
Fax: (512) 374-1354
www.cca-austin.com

Frank Wong, M.D.

Wong

Bio
Dr. Frank Wong was born in Shanghai, China and has been living in Texas since early childhood. After receiving his undergraduate degree from Baylor University in Waco, Texas, he went on to receive his medical degree and completed his residency in pediatrics from the University of Texas Health Science Center at San Antonio. His postgraduate fellowship in pediatric cardiology was completed at Vanderbilt University in Nashville, Tennessee. Dr. Wong is board certified in both pediatrics and pediatric cardiology. He is a member of the Texas Medical Association, Travis County Medical Society, American Academy of Pediatrics, and the American College of Cardiology.

Specialty
Pediatric Cardiology

Clinical Interest
General Pediatric Cardiology and Teaching

Contact Info
Pediatric Cardiology of Austin
1110 East 32nd Street
Austin, TX 78722
Phone: (512) 320-8388
Fax: (512) 320-8398
www.pcatx.com

Karen Wright, M.D.

Karen_WrightBio
Dr. Karen Wright received her medical degree from Northwestern University School of Medicine in Chicago, Illinois. She obtained her residency training in Pediatrics at the University Hospital of Cleveland and returned to Chicago for Pediatric Cardiology fellowship at the Children’s Memorial Hospital. Dr. Wright served on the faculty of Northwestern University before joining the staff at Deborah Heart and Lung Institute in New Jersey. She moved to Austin, Texas, in 1999 and is the Chief of Staff at Dell Children’s Medical Center. Dr. Wright is board certified in pediatric cardiology. Dr. Wright is a member of the Travis County Medical Society, the Texas Medical Association and the American Heart Association. She is a fellow in the American Academy of Pediatrics and the American College of Cardiology. She is a member of the HeartGift Foundation Executive Committee. She was selected by Texas Monthly magazine as a “Super Doctor” in 2010.

Specialty
Pediatric Cardiology

Clinical Interest
Interventional Catheterization

Contact Info
Children’s Cardiology Associates
4314 Medical Parkway
Austin, TX 78756
Phone: (512) 454-1110
Fax: (512) 374-1354
www.cca-austin.com