Dr. Janyll Irene Castineira, DO

Dr. Janyll Castineira is a gastroenterologist who specializes in diagnosing and treating disorders of the digestive system. She earned her Doctor of Osteopathy degree from Lake Erie College of Osteopathic Medicine Bradenton Campus and has been practicing for a decade. Her osteopathic training emphasizes a whole-person approach to patient care, combining traditional medical treatment with an understanding of how the body's systems work together.

Dr. Castineira is affiliated with HCA Florida Largo Hospital and University of Miami Hospital, with practice locations throughout Largo, Florida. She focuses on treating common digestive conditions such as colon polyps, hemorrhoids, and esophagitis. Her expertise includes performing essential diagnostic procedures like colonoscopy and both upper and lower gastrointestinal endoscopy, which help identify and address various digestive health concerns.