Cancer Center | Nicklaus Children's Hospital

Pediatric Oncology & Blood Disorder Team

At Nicklaus Children's Hospital, our pediatric cancer physicians and nurses specialize in patient and parent driven care and giving hope to the children. We are accredited by the American College of Surgeon's Commission on Cancer, FACT, and the ANCC Magnet Program.

Pediatric Oncologists

Enrique A Escalon, MD

Director, Division of Hematology/Oncology

Locations: Miami

Clinical Interests: Histiocytosis, hematology

Athena C Pefkarou, MD

Association Director, Division of Hematology/Oncology
Director, Sickle Cell Anemia Program

Locations: Miami

Clinical Interests: Sickle cell

Haneen Y Abdella, MD

Locations: Miami

Clinical Interests: Late effects (Survivorship Program

Maggie Eidson Fader, MD

Locations: Miami

Clinical Interests: Sarcoma, palliative treatment

See all Pediatric Hematoly/Oncologists on the Nicklaus Children's Hospital medical staff.

Pediatric Neuro-Oncologists

Ziad A Khatib, MD

Director, Neuro Oncology Program

Locations: Miami

Clinical Interests: Pediatric brain tumors, neuro-oncology, pediatric cancer treatment, chemotherapy, glioma

Ossama M Maher, MD

Associate Director, Neuro Oncology Program

Locations: Miami

Clinical Interests: Medulloblastoma, germ cell tumors, gliomas.
Stem cell transplant for brain tumors.


Pediatric Neurosurgeons

Our neurosurgery team works with other pediatric specialists at Nicklaus Children’s to establish an accurate diagnosis, develop a specialized treatment plan and provide comprehensive treatment to all patients.

John Ragheb, MD

Interim Chief, Department of Surgery
Director, Division of Neurosurgery

Locations: Aventura, Miami, Naples

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

Gregory W Hornig, MD


Locations: Miami

Clinical Interests: Hydrocephalus, epilepsy, spasticity, trauma and brain tumors

Toba N Niazi, MD

Pediatric Neurosurgeon

Locations: Boynton Beach, Miami, Palm Beach Gardens

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

See all Pediatric Neurosurgeons.

Stem Cell Transplant

Kamar Godder, MD

Medical Director, Bone Marrow Transplant Program

Locations: Miami

Clinical Interests: Blood and marrow transplant, stem cell transplant

Jorge Ricardo Galvez Silva, MD

Locations: Miami

Clinical Interests: Blood and marrow transplant, stem cell transplant, acquired and inherited bone marrow failure syndrome, metabolic conditions in children.

Guillermo R De Angulo, MD

Pediatric Hematology-Oncologist

Locations: Miami

Clinical Interests: Immuno-oncology, leukemia, lymphoma, hemophilia.


Nolan R Altman, MD

Director, Department of Radiology

Locations: Miami

Clinical Interests: Neuro-congenital malformations, metabolic diseases, vascular malformations, pediatric neuroradiology

Nursing Team

  • Lilliam Rimblas, RN - Oncology Nurse Navigator
  • Kristen Mendez, APRN - Survivorship Program Manager
  • Jennifer Prieto - APRN , Program Coordinator for BMT
  • Myrna Colón, RN
  • Ana Diaz, APRN
  • Patricia Tavio, APRN
  • Ana Diaz , NP
  • Patricia Tavio, NP
  • Dania Vasquez, MSN, APRN
  • Sofia Miranda, APRN
  • Vennesa Vigo

Child Life Specialists

  • Elizabeth Ftizgibbons, CCLS
  • Danielle Minarick


  • Lydia Newman

Social Workers

  • Nancy Mendoza
  • Stephanie McGuinness

Clinical Educators

  • Michelle Burke, MSN, APRN, CPN, CPON
  • Sarah Taylor, BSN, RN, CPON

Administrative Staff

  • Mikaelle Cazeau – Neuro-Oncology Coordinator
  • Claudia Vargas - Neuro-Oncology Coordinator
  • Raisa Gomez - Stem Cell Transplant
PSA Logo
 Physicians identified with a Pediatric Specialists of America (PSA) logo are employees of PSA, which is part of Nicklaus Children's Health System, and are not employees of Nicklaus Children's Hospital. All other physicians listed on the website are in private medical practices.