Meet the PICU Team

We value our staff and make their safety, satisfaction, and empowerment one of our top priorities. Our nurses are provided a blended orientation learning experience featuring online modules, simulations and hands-on unit experience. 


Balagangadhar Totapally, MD

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

Primary Office: Miami

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

G. Keith Meyer, MD

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

Primary Office: Miami

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

Nurse Practioners

Yamile Viera, MSN, RN

Nurse Manager
Pediatric Intensive Care Unit (PICU)

Lian M. Santiago, MSN, RN, CPN

Clinical Specialist
Pediatric Intensive Care Unit (PICU)

Michelle Parmenter, MSN, APRN, FNP-BC

Pediatric Intensive Care Unit (PICU)


Kristen Lopez, MSN, APRN, FNP-BC


Christina Alonso, BSN, RN, Night Nurse Supervisor, Pediatric Intensive Care Unit (PICU)

Additional Staff

  • Mirtha Gonzalez, MSN, APRN, Director of Operations, Pediatric Intensive Care Unit (PICU)
  • Karla Filosa, MA Ed, CCLS, Certified Child Life Specialist
  • Christy Gardner, MS, D, LD/N, Clinical Nutritionist
  • Gabriella Blyumin, PharmaD, BCPPS, Clinical Pharmacy Specialist
  • Xoana Zampieri, BSN, RN, WCC, CPN, Wound Care Specialist

 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.