Testimonial 2 Dr. Ivan Guerrero is an infectious disease specialist in Jacksonville, Florida who has been in private practice for over 20 years. He graduated from Universidad Nacional Mayor De San Marcos, Facultad De Medicina in 1991 and specializes in infectious disease medicine and tropical medicine. Dr. Guerrero completed his post-doctoral training a UF College of Medicine. He is a member of the American College of Physicians, American Academy of HIV Medicine and the Infectious Diseases Society of America. He also speaks Spanish.