Dr. Janet Marie Colon Castellano

Dr. Janet Colon Castellano is an endocrinologist specializing in diabetes and metabolism, with additional expertise in family medicine and internal medicine. She earned her medical degree from Ponce Health Sciences University School of Medicine and brings a decade of clinical experience to her practice. Her comprehensive background allows her to provide both specialized endocrine care and broader primary care services to patients of all ages.

Dr. Castellano practices at Hospital Pavia in Arecibo, Puerto Rico, where she focuses on treating patients with Type 2 diabetes and thyroid conditions including thyroid nodules. She also provides specialized care for diabetes in children and teenagers. Her clinical expertise includes performing diagnostic chemistry panels and creatinine clearance tests to monitor organ function, as well as specialized procedures like adrenal gland needle biopsies when advanced diagnostic evaluation is needed.