Dr. Janyll Irene Castineira, DO

Dr. Janyll Castineira is a gastroenterologist who earned her Doctor of Osteopathy degree from Lake Erie College of Osteopathic Medicine Bradenton Campus. With a decade of clinical experience, she specializes in diagnosing and treating conditions affecting the digestive system. Her osteopathic training emphasizes a whole-person approach to patient care, combining traditional medical practices with hands-on techniques to promote healing.

Based in Largo, Florida, Dr. Castineira maintains affiliations with HCA Florida Largo Hospital and University of Miami Hospital. She focuses on treating common digestive concerns including colon polyps, hemorrhoids, and esophagitis. Her expertise includes performing colonoscopies and both upper and lower gastrointestinal endoscopy procedures to help patients maintain optimal digestive health.