Dr. Matias Miguel Dcosta, MD

Dr. Matias Dcosta specializes in gastroenterology and internal medicine, bringing 39 years of experience to his practice. He earned his medical degree from SUNY Downstate Medical Center College of Medicine and has dedicated nearly four decades to helping patients with digestive health concerns. Dr. Dcosta is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Dcosta practices at Mather Hospital and Saint Catherine of Siena Medical Center, with locations in Port Jefferson Station and Smithtown, New York. His expertise includes treating conditions such as hemorrhoids, diverticular disease, and diverticulosis. He performs important diagnostic procedures including fecal occult blood tests and lower GI endoscopies to help identify and monitor digestive health issues. Patients have given Dr. Dcosta an average rating of 3.3 out of 5 stars.