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Glenn T. Leonard, M.D.

Glenn T. Leonard, M.D.

Pediatrics , Pediatric Cardiology

UR Medicine Faculty The University of Rochester Medical Faculty Group (URMFG) consists of over 900 specialist and primary care providers spanning 19 departments. URMFG is certified by the National Committee for Quality Assurance.
Accountable Health Partner Accountable Health Partners (AHP) is a network of over 2,000 community and UR medical faculty and a dozen leading hospitals throughout the region. AHP offers a full range of care.
Accepting New Patients


About Me

Pediatric Interventional Cardiology for children and adults with congenital heart disease

Certified Specialties

Adult Congenital Heart Disease - American Board of Internal Medicine

Pediatric Cardiology - American Board of Pediatrics

Faculty Appointments

Clinical Assistant Professor (Voluntary) - Department of Pediatrics, Cardiology (SMD)


Residency & Fellowship

Fellowship, Pediatric Cardiology, The Institute for Rehabilitation and Research. 2003 - 2004

Fellowship, Pediatric Cardiology, University of Florida College of Medicine. 2000 - 2003

Residency, Pediatrics, Children's Hospital. 1998 - 2000

Internship, Pediatrics, Children's Hospital. 1997 - 1998


MD | St. George's University School of Medicine (Grenada). 1997


Golden Apple Teaching Award nominee. 2006

Academic Scholarship - Four Year Full Tuition. 1988 - 1992


Journal Articles

Long-term outcomes up to 25 years following balloon pulmonary valvuloplasty: A multicenter study.

Hansen RL, Naimi I, Wang H, Atallah N, Smith F, Byrum C, Kveselis D, Leonard G, Devanagondi R, Egan M

Congenital heart disease.. 2019 June 28 Epub 06/28/2019.

Percutaneous balloon dilation of Carpentier-Edwards porcine-valved right ventricle-to-pulmonary artery conduits.

Hall AC, Miga DE, Leonard GT, Wang H, Kavey RE, Alfieris GM

Pediatric cardiology.. 2013 April 34 (4):978-83. Epub 12/11/2012.

Atrial septal stent implant: atrial septal defect creation in the management of complex congenital heart defects in infants.

Leonard GT, Justino H, Carlson KM, Rossano JW, Neish SR, Mullins CE, Grifka RG

Congenital heart disease.. 2006 May 1 (3):129-35. Epub 1900 01 01.

Increased myocardial performance index correlates with biopsy-proven rejection in pediatric heart transplant recipients.

Leonard GT, Fricker FJ, Pruett D, Harker K, Williams B, Schowengerdt KO

The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation.. 2006 January 25 (1):61-6. Epub 12/09/2005.

Successful transcatheter coil occlusion of a right-sided patent ductus arteriosus with aberrant left subclavian artery.

Carr MR, Neish SR, Leonard GT

Texas Heart Institute journal.. 2006 33 (3):365-7. Epub 1900 01 01.

Transcatheter atrial septal defect closure: modified balloon sizing technique to avoid overstretching the defect and oversizing the Amplatzer septal occluder.

Carlson KM, Justino H, O'Brien RE, Dimas VV, Leonard GT, Pignatelli RH, Mullins CE, Smith EO, Grifka RG

Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions.. 2005 November 66 (3):390-6. Epub 1900 01 01.

Use of cutting balloon for palliative treatment in tetralogy of Fallot.

Carlson KM, Neish SR, Justino H, Leonard GT, Mullins CE, Grifka RG

Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions.. 2005 April 64 (4):507-12. Epub 1900 01 01.

Anatomic reconstruction for recurrent aortic obstruction in infants and children.

DiBardino DJ, Heinle JS, Kung GC, Leonard GT, McKenzie ED, Su JT, Fraser CD

The Annals of thoracic surgery.. 2004 September 78 (3):926-32; discussion 926-32. Epub 1900 01 01.


"Assessment of Heart Failure by Cardiac Catheterization" (2006)

Chapter: Heart Failure in Children and Young Adults from Molecular Mechanisms to Medical and Surgical Strategies

Authors: Leonard GT Jr, Justino H, Grifka RG, Chang AC, Towbin JA.

Publisher: Saunders Elsevier, Philadelphia, PA 2006