Primary Office

Nicklaus Children's Palm Beach Gardens Outpatient Ctr - Endocrinology
11310 Legacy Avenue
Palm Beach Gardens, FL 33410
Phone Number: 561-624-9188

Additional Office

Nicklaus Children's Pediatric Specialists At Palm City- Endocrinology
3228 SW Martin Downs Blvd Suite 33
Palm City, FL 34990
Phone Number: 772-286-8133


Fellowship - Massachusetts General Hospital
Residency - Lincoln Medical & Mental Health Ct.
Medical School - Universidad Autonoma de Santo Domingo

Board Certifications

American Board of Pediatrics (Pediatrics) - Certified
American Board of Pediatrics (Ped Endocrinology) - Certified

Jonanlis Ramirez Alcantara, MD, FAAP 

Dr. Jonanlis Ramirez Alcantara is a pediatric endocrinologist within the Division of Endocrinology at Nicklaus Children’s Hospital. She pursued a fellowship in pediatric endocrinology at Massachusetts General Hospital/Harvard Medical school in Boston. Her clinical interests include obesity, thyroid disorders, adrenal insufficiency, growth disorders, and diabetes. She is considered one of the world's experts in adrenoleukodystrophy (ALD). 

Dr. Ramirez Alcantara was born in Santo Domingo, Dominican Republic. She graduated magna cum laude in medicine from the Universidad Autonoma de Santo Domingo (UASD) in the Dominican Republic, the first university in the American continent founded in 1538. She completed a residency in pediatrics at Lincoln Medical Center, affiliated with Weill Cornell University Medical College in New York City. She was appointed chief resident during her last year of residency.  

Dr. Ramirez Alcantara is board certified in general pediatrics and pediatric endocrinology. She is a fellow of the American Academy of Pediatrics, and member of the Massachusetts Medical Society, Pediatric Endocrine Society, and American Diabetes Association. Her research has been published in multiple peer-reviewed journals and she has presented at medical conferences.  

Dr. Ramirez Alcantara is employed by Nicklaus Children’s Pediatric Specialists (NCPS), the physician-led multispecialty medical group practice of Nicklaus Children’s Health System. She is bilingual in English and Spanish. 

The Division of Endocrinology at Nicklaus Children's Hospital offers a complete array of diagnostic, treatment, and consulting services for infants, children, and adolescents with endocrine disorders. The care team is dedicated to fulfilling the medical and support needs of children and their families through a multidisciplinary approach that has helped children from around the world. Consultations with the division’s board-certified endocrinologists are offered at the hospital’s main campus near Coral Gables, as well as at select Nicklaus Children’s outpatient centers located from southern Miami-Dade to Martin counties. 


Ramirez Alcantara, J., Mendez, M.D. (2024). Interrupted Aortic Arch. Treasure Island (FL). StatPearls Publishing. StatPearls [Internet]. View in Pubmed

Ramirez Alcantara, J., Grant, N.R., Sethuram, S., et al (2023). Early Detection of Adrenal Insufficiency: The Impact of Newborn Screening for Adrenoleukodystrophy. The Journal of clinical endocrinology and metabolism, 108 (11), e1306-e1315. View in Pubmed

Ramirez Alcantara, J., Grant, N., Stanley, T., et al (2023). FRI433 - Hypogonadism in Males with Adrenoleukodystrophy. Journal of the Endocrine Society, 7((Suppl. 1)), A868.

Ramirez Alcantara, J., Grant, N., Stanley, T., et al (2022). 4946 - Adrenal Insufficiency in Pediatric Patients with Adrenoleukodystrophy in the Era of the Newborn Screening. Hormone research in pediatrics, 95 ((Suppl. 1)), [15].

Ramirez Alcantara, J., Halper, A. (2021). Adrenal insufficiency updates in children. Current opinion in endocrinology, diabetes, and obesity, 28(1), 75-81. View in Pubmed

A clinician identified with a Nicklaus Children’s Pediatric Specialists logo is an affiliate of Nicklaus Children's Health System. All other clinicians listed on the website are in independent medical practices.