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Dr. Mark W. Cocalis is a pediatric cardiologist who provides a wide range of care for heart conditions. He is experienced in diagnosing fetal problems, caring for newborns and managing chronic conditions in older children. In his research, he has studied the use of stents – tiny tubes placed inside blood vessels to support blood flow – in treating newborn heart conditions.

Cocalis earned his medical degree from the David Geffen School of Medicine at UCLA. He completed a residency in pediatrics and a fellowship in pediatric cardiology at Ronald Reagan UCLA Medical Center.

Prior to joining UCSF, Cocalis was at Rady Children's Hospital – San Diego, where he headed the fetal echocardiography (heart ultrasound) service and heart transplant service. He also directed echocardiography, clinical services and the fellowship program in the cardiology division of Rady Children's Specialists of San Diego.

  • Education

    David Geffen School of Medicine at UCLA, MD, 1984

  • Residencies

    UCLA Health, Pediatrics, 1987

  • Fellowships

    UCLA Health, Pediatric Cardiology, 1989

  • Board Certifications

    Pediatric Cardiology, American Board of Pediatrics

  • Academic Title


  • Languages


Where I see patients (4)

    Selected research

    Saving future lives

    500+ UCSF investigators are researching cures for hundreds of childhood and adult diseases.

    Please check with your health insurance plan regarding coverage for this type of care. Not all providers at UCSF are covered by every insurance plan.
    This provider is employed by a medical group affiliated with UCSF.