Jan Mario Barrios, MD Specialties Gastroenterology Languages English Primary Office Millennium Physician Group 11181 Health Park Blvd Suite 3010Naples, FL 34110 Phone (239) 302-3290 Fax (239) 302-3291 Credentials & Education Medical Education University of Puerto Rico Internships University of South Florida Residencies University of South Florida Fellowships University of South Florida Certifications Gastroenterology Comments About Ratings