Maria S. Rayas, MD

Pediatric Endocrinologist

Dr. Maria S. Rayas is a Pediatric Endocrinologist in San Antonio, TX with special training and skill in treating childhood endocrine, metabolism, and hormonal disorders. As a Pediatric Endocrinologist, Maria S. Rayas, MD performs medical diagnosis, prevention, assessment, and treatment of glandular disorders in children. Pediatric Endocrinology is a specialty of medicine that deals with preventing, diagnosing, and treating children's conditions affecting the adrenals, thyroid, pancreas, and other glands. Significant diseases and conditions treated by Pediatric Endocrinologists include hypothyroidism, hyperthyroidism, Cushing's syndrome, adrenal insufficiency, childhood obesity, parathyroidism, developmental disorders, diabetes, and glandular cancers. Medical tests, procedures and therapies provided by Pediatric Endocrinologists include hormone and thyroid level testing, urine and blood testing, childhood nutrition education, diabetes treatment, bariatric surgery assessment, radioactive iodine treatment, adrenal and thyroid surgery, and intensive insulin therapy.

A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.