Felix Ramirez-Seijas, MD

Los profesionales de salud identificados con el logotipo de Nicklaus Children's Pediatric Specialists son afiliados de Nicklaus Children's Health System. Todos los demás en este sitio web tienen prácticas médicas independientes.


Pediatric nephrologist 

Dr. Ramirez-Seijas is employed by Nicklaus Children’s Pediatric Specialists, the physician-led multispecialty group practice of Nicklaus Children’s Health System. He has served as a pediatric nephrologist at Nicklaus Children’s Hospital since 1982. Dr. Ramirez-Seijas earned his medical degree from the University of Santiago de Compostela in Spain. He completed a residency Driscoll Children’s Hospital in Corpus Christi, Texas; then pursued a fellowship in pediatric nephrology at the University of Texas Medical Branch in Galveston. His clinical interests include urinary tract infections in children, vesicoureteral reflux in children, hematuria, proteinuria, systemic lupus erythematosus, dialysis and renal transplantation.
Dr. Ramirez-Seijas developed the Dialysis Unit at Nicklaus Children’s Hospital. He is active in the hospital’s medical education program, working closely with medical students, residents and subspecialty fellows to support training in nephrology. He also developed a pediatric nephrology network in South Florida with renal clinics in Naples, West Palm Beach and Fort Myers, collaborating with South Florida pediatric nephrologists in Broward, Collier and Palm Beach counties, along with the Children’s Medical Services (CMS) clinics to provide care in those communities.
Dr. Ramirez-Seijas is board certified in general pediatrics and pediatric nephrology. He is a fellow of the American Academy of Pediatrics. Dr. Ramirez-Seijas has been published in peer-reviewed journals, lectured nationally and internationally and gained recognition globally with patient referrals from countries in the Caribbean, Europe, South and Central America, and the Middle East.
Dr. Ramirez-Seijas sees patients at the Nicklaus Children’s Hospital main campus, Nicklaus Children’s Palm Beach Gardens Outpatient Center, Nicklaus Children’s Boynton Beach Care Center and CMS clinic in Naples. He is bilingual in English and Spanish.
The Division of Nephrology at Nicklaus Children’s Hospital provides comprehensive evaluation of renal function and treats kidney disorders in children, including congenital anomalies of the urinary tract, electrolyte imbalance, renal parenchyma diseases, tubular diseases and collagen vascular diseases. The pediatric nephrology program also performs kidney biopsies and offers a full spectrum of dialysis services for patients with acute renal failure, including hemodialysis, acute and chronic peritoneal dialysis and continuous arteriovenous hemofiltration.

Contreras, G., Pardo, V., ..., Ramirez-Seijas, F., et al (2005). Factors associated with poor outcomes in patients with lupus nephritis . Lupus, 14(11), 890-895. View in Pubmed

Araya, C., Ramirez-Seijas, F., Cepero, A., et al (2003). Encephalitis and acute renal failure with mycoplasma pneumonia. International Pediatrics, 18(4), 209.

Rianthavom, P., Del Castillo, L., …, Ramirez-Seijas, F., et al (2002). Glucocorticoid remediable aldosteronism: a case of low renin hypertension. International Pediatrics, 17(), 86.

Ramirez-Seijas, F., Granado-Villar, A., Cepero, A., et al (2000). Congenital nephrotic syndrome. International Pediatrics, 15(), 121.

Paredes, A., Dube, P., …, Ramirez-Seijas, F., (1999). Osteogenic protein-1 is downregulated in bone cells from a patient with chronic renal failure and severe renal osteodystrophy. International Pediatrics, 14(), 114.

Ramirez-Seijas, F., Gugig, R., Cepero, A., et al (1999). Vesicoureteral reflux in children. International Pediatrics, 14(), 94.

Cepero, A., Ramirez-Seijas, F., Litt, R.E., et al (1993). A 5-month-old male with an abdominal mass and severe arterial hypertension. International Pediatrics, 8(3), .

Kessler, R.M., Quevedo, H., ..., Ramirez-Seijas, F., et al (1993). Obstructive vs nonobstructive dilatation of the renal collecting system in children: distinction with duplex sonography . AJR. American journal of roentgenology, 160(2), 353-357. View in Pubmed

Cepero, A., Ramirez-Seijas, F., Castaneda, A., et al (1990). Acute renal failure in the newborn. International Pediatrics, 5(4), 328-336.

Ramirez-Seijas, F., Muinos, W., Murciano, A., et al (1988). Henoch-Schonlein Purpura. International Pediatrics, 3(1), .

Kessler, R.M., Smith III, S.N., …, Ramirez-Seijas, F. (1988). Urinary tract infection in patients with known Tuberous Sclerosis and Angiomyolipoma. International Pediatrics, 3(1), 54-56.

Sirlin, S., Ramirez-Seijas, F., ALtman, N., et al (1987). Clinopathological Conference "A 12 year-old female with acute onset of vomiting, hepatitis, renal and cardiac failure. International Pediatrics, 2(), 364.

Sweet, M., Brouhard, B.H., Ramirez-Seijas, F., et al (1986). Percutaneous renal biopsy in infants and young children . Clinical nephrology, 26(4), 192-194. View in Pubmed

Ramirez-Seijas, F., Travis, L.B. Cunningham, R.J., et al (1982). Focal segmental glomerulosclerosis, crescent and rapidly progressive renal failure. International Journal of Pediatric Nephrology, 3(3), 175-178. View in Pubmed

Ramirez-Seijas, F., Brouhard, B.H., Travis, L.B., et al (1982). Idiopathic membranous nephropathy in children. Journal of Pediatrics, 101(5), 677-681. View in Pubmed

Ellis, E.N., Brouhard, B.H., …, Ramirez-Seijas, F. (1982). Effects of hemodialysis and dimercaprol in acute dichromate poisoning. Journal of Toxicology. Clinical Toxicology, 19(3), 249-258. View in Pubmed

Oficina Principal

Nicklaus Children's Nephrology
3200 SW 60 Court #304
Miami, FL 33155
Número de Teléfono:

Oficina Adicional

Nicklaus Children's Palm Beach Gardens Outpatient Ctr-Nephrology
11310 Legacy Avenue
Palm Beach Gardens, FL 33410
Número de Teléfono:

Oficina Adicional

Nicklaus Children's Boynton Beach Care Ctr - Nephrology
10383 Hagen Ranch Road #200
Boynton Beach, FL 33437
Número de Teléfono:

Oficina Adicional

Nicklaus Children's Nephrology
3361 Pine Ridge Road #201
Naples, FL 34109
Número de Teléfono:


Fellowship - University of Texas
Residency - Driscoll Foundation Children's Hospital
Medical School - Univ. Santiago de Compostela, Spain


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