Meet the Neurocritical Team

John Ragheb, MD

Chief, Department of Surgery
Director, Division of Neurosurgery

Primary Office: Miami

Additional Offices: Aventura, Naples

Clinical Interests: Neurosurgery, neurotrauma, brain tumors, spina bifida, tethered spinal cord, congenital anomalies


Toba N Niazi, MD

Medical Director, Neuro-Oncology Surgical Services

Primary Office: Miami

Clinical Interests: Brain and spinal cord tumors, cerebral palsy, spasticity and movement disorders, complex congenital or traumatic spinal disorders


G. Keith Meyer, MD

Medical Director, LifeFlight® Neonatal and Pediatric Transport Services
Medical Director, ECLS/ECMO and Apheresis Services

Primary Office: Miami

Practice Name: Children's Critical Care Specialists, PA

Clinical Interests: Pediatric specialty transport, neurological injuries, airway protection, sepsis, systemic inflammatory response, shock


Paul Adam Martinez, MD

Primary Office: Miami

Practice Name: Children's Critical Care Specialists, PA


Balagangadhar Totapally, MD

Director, Division of Critical Care Medicine
Medical Director, Pediatric Intensive Care Unit
Director, Pediatric Critical Care Fellowship Program

Primary Office: Miami

Practice Name: Children's Critical Care Specialists, PA

Clinical Interests: Neonatology, sepsis, resucitation, neurocritical care monitoring


Shelly Wang, MD

Pediatric Neurosurgeon

Primary Office: Miami

Additional Office: Palm Beach Gardens

Clinical Interests: Epilepsy, hydrocephalus, congenital and developmental anomalies of the central nervous system, as well as neurotrauma


Nurse Practitioners specializing in Neurocritical Care

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Kathyrn Johnston, MSN, APRN, CPNP-AC, CCRN


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Natalie Llama, MSN, APRN, FNP-BC


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Tammy Trabosh, APRN, CPNP-AC/PC


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Disleny Cruz, DNP, APRN, CPNP-AC, CPN, CPHON


 A physician identified with a Nicklaus Children’s Pediatric Specialists logo is an employee of Nicklaus Children's Health System. All other physicians listed on the website are in private medical practices.