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The Heart Institute Doctors

At the Heart Institute, our team is the force behind the excellent outcomes our patients experience. Their expertise and dedication are why we are routinely ranked among the top programs in the nation for pediatric cardiology and heart surgery.

You can be confident that our team has the experience and knowledge to provide exceptional care for your child. We believe that the best care is also compassionate, which is why we also focus on your child’s comfort with everything we do.

Leadership

Paul F. Kantor, MBBCh, MSc, FRCPC

  • Chief, Division of Cardiology
  • Co-Director, Heart Institute
  • Associates Chair in Cardiology
Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Cardiomyopathy, Heart Failure, Cardiac Transplantation, Echocardiography
Phone: 323-361-2461

Vaughn A. Starnes, MD

  • Chief, Division of Cardiothoracic Surgery
  • Co-Director, Heart Institute
  • H. Russell Smith Foundation Chair in Cardiothoracic Surgery
Distinguished Professor and Chair, Department of Surgery, Executive Director, Cardiovascular Thoracic Institute, Keck School of Medicine of USC, Surgeon-in-Chief, Keck Hospital of USC and USC Norris Cancer Hospital
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Specialty: Congenital Cardiac Surgery
Phone: 323-361-4148

Expert Physicians

Yaniv Bar-Cohen, MD

  • Director, Electrophysiology
  • Co-Director of Southern California Consortium For Technology and Innovation in Pediatrics (CTIP)
  • Attending Physician
Clinical Professor of Pediatrics and Medicine, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Arrhythmia, Electrophysiology
Phone: 323-361-2461

Darren Berman, MD

  • Director, Congenital Interventional Catheterization
  • Attending Physician
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Specialty: Pediatric Cardiology
Phone: 323-361-2461

Andrew Cheng, MD

  • Attending Physician
Assistant Professor of Clinical Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Echocardiography, Cardiac MRI
Phone: 323-361-2461

John David Cleveland, MD

  • Attending Cardiothoracic Surgeon
Assistant Professor of Surgery, Keck School of Medicine of USC
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Specialty: Congenital Cardiac Surgery, Thoracic and Cardiovascular Surgery
Phone: 323-361-4148

Katie Clouthier, DO

  • Attending Physician
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Specialty: Pediatric Critical Care Medicine
Phone: 323-361-2557

Sylvia Del Castillo, MD

  • Medical Director, Cardiothoracic Intensive Care Unit
  • Intensivist
  • Attending Physician
Clinical Associate Professor of Pediatrics (Clinician-Educator), Keck School of Medicine of USC
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Specialty: Pediatric Critical Care Medicine
Phone: 323-361-2557

Jon Detterich, MD

  • Attending Physician
Clinical Associate Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Fetal Cardiology, Echocardiography, Cardiac MRI
Phone: 323-361-2461

Priyanka Doshi, PsyD

  • Licensed Psychologist
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Specialty: Pediatric Psychology
Phone: 323-361-2461

Brandy Hattendorf, MD, FAAP, FACC, FASE

  • Attending Physician
Clinical Associate Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Echocardiography, Fetal Cardiology
Phone: 323-361-2461

Cynthia Herrington, MD

  • Surgical Director, Heart Transplant Program
  • Executive Director, Gender Equity, Office of Diversity, Equity and Inclusion
  • Ryan Winston Family Chair in Transplant Cardiology
Associate Professor of Surgery, Keck School of Medicine of USC
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Specialty: Congenital Cardiac Surgery, Thoracic and Cardiovascular Surgery
Phone: 323-361-4148

Allison Hill, MD

  • Director, Outpatient Cardiology Service
  • Co-Director, Center for Cardiogenomics
  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Arrhythmia, Electrophysiology, Cardiogenomics, Outpatient Pediatric Cardiology
Phone: 323-361-2461

Robin Horak, MD

  • Intensivist
  • Attending Physician
Clinical Assistant Professor of Pediatrics (Clinician Educator), Keck School of Medicine of USC
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Specialty: Pediatric Critical Care Medicine
Phone: 323-361-8202

Anyir Hsieh, MD

  • Co-Associate Critical Care Medicine Fellowship Program Director
  • Attending Physician
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Specialty: Critical care medicine
Phone: 323-361-2557

Asavari Kamerkar, DO

  • Director, ECMO
  • Intensivist
  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Pediatric Critical Care Medicine
Phone: 323-361-5918

Grace Kung, MD, FACC, FASE

  • Interim Director, Echocardiography
  • Director, Pediatric Cardiology Fellowship Program
  • Attending Physician
Clinical Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Echocardiography
Phone: 323-361-2461

Alan Lewis, MD

  • Attending Physician
Clinical Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Hyperlipidemia
Phone: 323-361-2461

Barry Markovitz, MD, MPH

  • Attending Physician
Professor of Pediatrics and Anesthesiology, Keck School of Medicine of USC
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Specialty: Pediatric Anesthesiology
Phone: 323-361-2557

Sabine VonBusse Mellinger, MD

  • Director, Pediatric Cardiac Anesthesia
  • Attending Physician
Clinical Associate Professor of Anesthesiology (Clinician Educator), Keck School of Medicine of USC
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Specialty: Pediatric Anesthesiology
Phone: 323-361-2262

Jondavid Menteer, MD

  • Chief of Staff
  • Medical Director, Heart Failure and Transplant Program, and Cardiac Mechanical Support Program
  • Attending Physician
Clinical Associate Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Pediatric Cardiology, Heart Failure, Cardiomyopathy, Cardiac Transplantation
Phone: 323-361-2461

Michael Mulick, DO

  • Attending Physician
Clinical Assistant Professor of Anesthesiology, Keck School of Medicine of USC
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Specialty: Pediatric Anesthesiology
Phone: 323-660-2450

Lara Nelson, MD

  • Medical Director, ECMO
  • Intensivist
  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Pediatric Critical Care Medicine
Phone: 323-361-2262

Neil Patel, MD

  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Interventional Catheterization, Exercise Testing
Phone: 323-361-2461

Theodore Pei, MD, MPH

  • Attending Physician
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Specialty: Critical care medicine
Phone: 323-361-2557

Jay Pruetz, MD

  • Director, Fetal Cardiology Program
  • Attending Physician
Clinical Associate Professor of Pediatrics and Obstetrics and Gynecology, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Fetal Cardiology, Echocardiography
Phone: 323-361-2461

Surabhi Reddy, MD

  • Attending Physician
Clinical Associate Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Echocardiography, Fetal Cardiology
Phone: 323-361-2461

Kristin Richards, MD

  • Director, Pediatric Cardiac Anesthesiology Fellowship Program
  • Attending Physician
Clinical Assistant Professor of Anesthesiology, Keck School of Medicine of USC
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Specialty: Pediatric Anesthesiology
Phone: 323-361-5918

Niurka Rivero, MD

  • Chief Patient Safety Officer
  • Intensivist
  • Attending Physician
Clinical Professor of Pediatrics (Clinician Educator), Keck School of Medicine of USC
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Specialty: Pediatric Critical Care Medicine
Phone: 323-361-2557

Michelle Schlunt, MD

  • Attending Physician
Clinical Associate Professor of Anesthesiology, Keck School of Medicine of USC
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Specialty: Pediatric Anesthesiology
Phone: 323-361-2262

Robert Shaddy, MD

  • Pediatrician-in-Chief
  • Senior Vice President, Academic Affairs
  • Pasadena Guild Chair
  • Children’s Hospital Los Angeles
Chair, Department of Pediatrics, Keck School of Medicine of USC
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Specialty: Pediatric Cardiology, Cardiomyopathy, Heart Failure
Phone: 323-361-6248

Shilpa Shah, DO

  • Director, Pediatric Cardiac Critical Care Medicine Fellowship Program
  • Intensivist
  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Pediatric Critical Care Medicine
Phone: 323-361-6351

Mark Shwayder, MD

  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Arrhythmia, Electrophysiology, Cardiogenomics
Phone: 323-361-2461

Michael Silka, MD

  • Attending Physician
Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Arrhythmia, Electrophysiology
Phone: 323-361-2461

Jose Pineda Soto, MD, MSCI

  • Chief, Division of Critical Care Medicine
  • Attending Physician
Clinical Associate Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Pediatric Critical Care Medicine
Phone: 323-361-2557

Andrew Souza, DO

  • Director, Cardiovascular Acute Care Unit
  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Fetal Cardiology, Echocardiography, Exercise Testing, Hyperlipidemia
Phone: 323-361-8308

Jennifer Su, MD

  • Associate Director, Pediatric Cardiology Fellowship Program
  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Pediatric Cardiology, Cardiomyopathy, Heart Failure, Cardiac Transplantation, Cardiogenomics
Phone: 323-361-2461

Ram Kumar Subramanyan, MD, PhD

  • Attending Cardiothoracic Surgeon
  • Investigator, Regenerative Medicine
Assistant Professor of Surgery, Keck School of Medicine of USC
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Specialty: Congenital Cardiac Surgery, Thoracic and Cardiovascular Surgery
Phone: 323-361-4148

Patrick Sullivan, MD

  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Interventional Catheterization
Phone: 323-361-2461

Jacqueline Szmuszkovicz, MD

  • Attending Physician
Clinical Associate Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Pulmonary Hypertension, Kawasaki Disease, MIS-C
Phone: 323-361-2461

Cheryl Takao, MD

  • Co-Director, Interventional Catheterization
  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Interventional Catheterization
Phone: 323-361-2461

Clementine Vo, DO

  • Attending Physician
Clinical Assistant Professor of Clinical Anesthesiology (Clinician Educator), Keck School of Medicine of USC
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Specialty: Pediatric Anesthesiology
Phone: 323-660-2450

Alicia DeMarco Voltz, MD

  • Intensivist
  • Attending Physician
Clinical Assistant Professor of Pediatrics (Clinician Educator), Keck School of Medicine of USC
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Specialty: Pediatric Critical Care Medicine
Phone: 323-361-2262

Christian Walker, MD

  • Attending Physician
Clinical Assistant Professor of Anesthesiology, Keck School of Medicine of USC
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Specialty: Pediatric Anesthesiology
Phone: 323-361-2262

Jodie Votava-Smith, MD

  • Associate Director, Fetal Cardiology Program
  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Fetal Cardiology, Echocardiography
Phone: 323-361-2461

Shuo Wang, MD

  • Attending Physician
Clinical Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Fetal Cardiology, Echocardiography
Phone: 323-361-2461

Molly Weisert, MD

  • Attending Physician
Assistant Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Cardiology
Phone: 323-361-2461

Winfield Wells, MD

  • Attending Cardiothoracic Surgeon
Associate Professor of Surgery, Keck School of Medicine of USC
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Specialty: Congenital Cardiac Surgery, Thoracic and Cardiovascular Surgery
Phone: 323-361-4148

Luke M Wiggins, MD

  • Attending Cardiothoracic Surgeon
Assistant Professor of Surgery, Keck School of Medicine of USC
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Specialty: Congenital Cardiac Surgery, Thoracic and Cardiovascular Surgery
Phone: 323-361-4148

Roberta Williams, MD

  • Attending Physician
  • Investigator, Cardiology
Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Adult Congenital Cardiology
Phone: 323-361-2303

Pierre Wong, MD

  • Attending Physician
Clinical Professor of Pediatrics, Keck School of Medicine of USC
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Specialty: Outpatient Pediatric Cardiology, Echocardiography
Phone: 323-361-2461

John Wood, MD, PhD

  • Director, Cardiovascular MRI
  • Attending Physician
  • Investigator, Cardiology
Professor of Pediatrics and Radiology, Keck School of Medicine of USC
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Specialty: Pediatric Cardiology, Cardiac MRI, Echocardiography
Phone: 323-361-5470

Community Physicians

Joseph Ahdoot, MD

  • Attending Physician
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Specialty: Cardiology
Phone: 626-796-9259

Craig Baker, MD

  • Attending Physician
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Specialty: Cardiothoracic Surgery
Phone: 323-442-5849

Lennis Burke, MD

  • Attending Physician
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Specialty: Cardiology
Phone: 626-796-9259

Timothy Casarez, MD

  • Attending Physician
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Specialty: Cardiology
Phone: 818-784-6269

Elizabeth De Oliveira, MD

  • Attending Physician
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Specialty: Cardiology
Phone: 626-796-9259

David Ferry, MD

  • Attending Physician
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Specialty: Cardiology
Phone: 818-784-6269

Georgios A. Hartas, MD, FACC, FSCAI, FAAP

  • Pediatric Interventional Cardiologist
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Specialty: Cardiology
Phone: 818.839.7101

Kristopher Kallin, MD

  • Attending Physician
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Specialty: Cardiothoracic Surgery
Phone: 323-783-4595

Frederick Leong, MD

  • Attending Physician
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Jeffrey Wong, MD

Attending Physician
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Specialty: Cardiology
Phone: 818-784-6269