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  • Craig E. Fleishman, MD

    Dr. Craig Fleishman is a board-certified cardiologist and co-director of Orlando Health Children's Heart Institute. He also serves as director of non-invasive cardiac imaging. He is board certified in pediatrics and pediatric cardiology.

  • Carlos R. Zayas-Torres, MD

    Carlos R. Zayas-Torres, MD, is a board-certified cardiologist with the Orlando Health Heart & Vascular Institute. He is dedicated to providing patients compassionate care with the most advanced technologies and clinical treatments.

  • Carlos E. Arrieta Garcia, MD

    Carlos Arrieta, MD, is a board-certified cardiac electrophysiologist with Orlando Health Heart & Vascular Institute. He specializes in providing advanced testing, diagnosis and treatment for patients with arrhythmia.

  • Catherine E. Mercado, MD

    Dr. Catherine Mercado is a board-certified radiation oncologist with the Center for Advanced Radiation Therapy at Orlando Health Cancer Institute. She provides compassionate care for pediatric and adult patients at every stage of cancer and has additional expertise in proton therapy, intensity-modulated radiotherapy, stereotactic radiosurgery and image-guided radiotherapy.

  • Christian Andres Rosado, MD

    Dr. Christian Rosado is a board-certified neurologist at the Orlando Health Neuroscience Institute who specializes in the care of neurological conditions including acute stroke patients. He treats a broad range of conditions for patients who develop complex neurological conditions that require hospitalization, including:

  • Charles S Thompson, MD

    Charles is a native of New Orleans, Louisiana and a graduate of the University of Florida.

  • Steven Walczak, MD

    Dr. Steven Walczak is a board-certified radiologist and a fellowship-trained musculoskeletal radiologist with Orlando Health Medical Group Radiology. He cares for patients who need interpretation of their diagnostic imaging, including:

  • Stephen Gregory Hersperger, MD

    Stephen G. Hersperger, MD, is a surgeon with Orlando Health who is board certified in general surgery and surgical critical care.

  • Sumith C. Aleti, MD

    Sumith Aleti, MD, MPH, FACC, is an interventional cardiologist and endovascular specialist with the Orlando Health Heart & Vascular Institute. He is board certified in cardiology, interventional cardiology, echocardiography and nuclear cardiology.

    Dr. Aleti earned his medical degree from Osmania Medical College in Hyderabad, India followed by a master of public health at East Tennessee University. He completed both a medical residency and general cardiology fellowship at University of Arkansas for Medical Science. Dr. Aleti went on to complete a fellowship in interventional cardiology at Baystate Medical Center/Tufts University School of Medicine in Springfield, Massachusetts.

    Before joining Orlando Health, Dr. Aleti practiced three years at First Coast Cardiovascular Institute in Jacksonville, Florida, as well as one year at Heart & Vascular Institute of Winchester, Virginia.

    Dr. Aleti has been published in the American Journal of Cardiology, Journal of Invasive Cardiology, Catheterization and Cardiovascular Interventions journal, and has presented at numerous medical conferences. In addition, he co-published a book chapter on mitral and aortic balloon valvotomy. Dr. Aleti is a fellow of the American College of Cardiology.

  • Susan Eva DesJardins, MD

    Susan E. desJardins, MD, is a board-certified pediatric cardiologist at Orlando Health Children's Heart Institute. She is board certified in pediatrics and pediatric cardiology.