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Rady Children's Specialists

Heart Institute


Our team includes board-certified cardiovascular/thoracic surgeons, nurse practitioners and a physician assistant.


John J. Nigro, M.D., Division Chief; Director, Heart Institute; Director, Cardiac Transplantation and Ventricular Assist Device Program; Clinical Professor of Surgery, UC San Diego

John Artrip, M.D., FRACS, Assistant Professor of Surgery, UC San Diego

Cardiothoracic ICU Nurse Practitioners

Kelly Branch, M.S.N., CPNP-PC

Melissa Campbell, M.S.N., CPNP-PC

Adam Denson, M.S.N., CPNP-AC

Kristen Browning, M.S.N., CPNP-AC

Stacey Grohall, M.S.N., CPNP-AC

Vanessa Kalis, M.S.N., CPNP-AC

Stephanie Moriarty, M.S.N., CPNP-AC

Sarah Olson, M.S.N., CPNP-AC

Deborah Raleigh, M.S.N., CPNP-AC

Erin Stone, M.S.N., CPNP-AC/PC

Deborah Walter, M.S.N., CPNP-AC

Physician Assistant

Kelly Brand, PA-C


John Allardyce, CCP
Chief Perfusionist

Jorge Garcia, CCP
Senior Perfusionist

Jason Chmel, CCP
Senior Perfusionist