Meet the Pediatric Endocrinology & Diabetes Team
The Division of Pediatric Endocrinology team at Nicklaus Children's Hospital consists of board certified pediatric endocrinologists and a multi-specialty trained pediatric staff (certified diabetes nurse educator, registered dietitian, child life specialist, pharmacist, social worker and psychologist). Together they treat diabetes in children with a tailored program that fits the needs of the child and family and promotes the outcomes desired of the medical team.
The division is supported by a full-service on-site laboratory and outpatient center for your convenience.
Pediatric Endocrinology Physicians
Alejandro Diaz, MD
Chief, Section of Pediatric Endocrinology Director, Division of Endocrinology
Primary Office: Miami
Additional Office: West Kendall
Adriana Carrillo Iregui, MD
Medical Director, Diabetes Program
Primary Office: Miami
Omar Beckett, DO
Pediatric Endocrinologist
Primary Office: Miami
Additional Offices: Weston, West Kendall
Ernesto J Blanco, MD
Pediatric Endocrinologist
Primary Office: Fort Lauderdale
Carmen L Bustamante Escobar, MD
Director, Obesity Program Director, Thyroid Cancer Program
Primary Office: Miami
Additional Office: Pinecrest
Sissi E Cossio, MD
Pediatric Endocrinologist
Primary Office: Weston
Luis E Gonzalez-Mendoza, MD
Pediatric Endocrinologist
Primary Office: Miami
Additional Office: Pinecrest
Andrea Granados, MD
Pediatric Endocrinologist
Primary Office: Miami
Additional Offices: Pinecrest, Weston
Juan D Mejia Otero, MD
Pediatric Endocrinologist
Primary Office: Boynton Beach
Pedro A Pagan Banchs, MD
Pediatric Endocrinologist
Primary Office: Miami
Joshua W Tarkoff, MD
Pediatric Endocrinologist
Primary Office: Miami
Additional Offices: Miami Beach, West Kendall
Jonanlis Ramirez Alcantara, MD
Pediatric Endocrinologist
Primary Office: Palm Beach Gardens
Additional Office: Palm City
See all Pediatric Endocrinology doctors on the Nicklaus Children's Hospital medical staff.
Iseberte Colimon, APRN
Pediatric Endocrinology Nurse Practitioner
Primary Office: Fort Lauderdale
Carolina Maria De Almagro, APRN
Pediatric Endocrinology Nurse Practitioner
Primary Office: Miami
Jacquelyn Suzanne Verme, APRN
Pediatric Endocrinology Nurse Practitioner
Primary Office: Miami
Roberta M Zbar, APRN
Pediatric Endocrinology Nurse Practitioner
Primary Office: Boynton Beach
Additional Office: Coral Springs
Patient Navigator
Amada Rico, BSN, RN
Amada Rico is a diabetes patient navigator within Nicklaus Children’s Hospital’s Division of Endocrinology. She completed a bachelor’s degree in nursing at Nova Southeastern University. She began her nursing career at Nicklaus Children’s Hospital in the Pediatric Intensive Care Unit (PICU). Ms. Rico later transitioned to case management, managing discharge planning for complex patients in the PICU.
As a diabetes patient navigator for the Division of Endocrinology, Ms. Rico provides education to patients and families of newly diagnosed Type 1 and Type 2 diabetes. Amada is passionate about patient education and providing support to families.



